diff options
Diffstat (limited to 'openssl/crypto/dsa')
| -rw-r--r-- | openssl/crypto/dsa/dsa.h | 423 | ||||
| -rw-r--r-- | openssl/crypto/dsa/dsa_ameth.c | 1146 | ||||
| -rw-r--r-- | openssl/crypto/dsa/dsa_asn1.c | 180 | ||||
| -rw-r--r-- | openssl/crypto/dsa/dsa_depr.c | 81 | ||||
| -rw-r--r-- | openssl/crypto/dsa/dsa_err.c | 117 | ||||
| -rw-r--r-- | openssl/crypto/dsa/dsa_gen.c | 991 | ||||
| -rw-r--r-- | openssl/crypto/dsa/dsa_key.c | 145 | ||||
| -rw-r--r-- | openssl/crypto/dsa/dsa_lib.c | 416 | ||||
| -rw-r--r-- | openssl/crypto/dsa/dsa_locl.h | 17 | ||||
| -rw-r--r-- | openssl/crypto/dsa/dsa_ossl.c | 642 | ||||
| -rw-r--r-- | openssl/crypto/dsa/dsa_pmeth.c | 464 | ||||
| -rw-r--r-- | openssl/crypto/dsa/dsa_prn.c | 98 | ||||
| -rw-r--r-- | openssl/crypto/dsa/dsa_sign.c | 86 | ||||
| -rw-r--r-- | openssl/crypto/dsa/dsa_vrf.c | 31 | ||||
| -rw-r--r-- | openssl/crypto/dsa/dsagen.c | 82 | ||||
| -rw-r--r-- | openssl/crypto/dsa/dsatest.c | 319 |
16 files changed, 2818 insertions, 2420 deletions
diff --git a/openssl/crypto/dsa/dsa.h b/openssl/crypto/dsa/dsa.h index a6f6d0b0b..545358fd0 100644 --- a/openssl/crypto/dsa/dsa.h +++ b/openssl/crypto/dsa/dsa.h @@ -5,21 +5,21 @@ * This package is an SSL implementation written * by Eric Young (eay@cryptsoft.com). * The implementation was written so as to conform with Netscapes SSL. - * + * * This library is free for commercial and non-commercial use as long as * the following conditions are aheared to. The following conditions * apply to all code found in this distribution, be it the RC4, RSA, * lhash, DES, etc., code; not just the SSL code. The SSL documentation * included with this distribution is covered by the same copyright terms * except that the holder is Tim Hudson (tjh@cryptsoft.com). - * + * * Copyright remains Eric Young's, and as such any Copyright notices in * the code are not to be removed. * If this package is used in a product, Eric Young should be given attribution * as the author of the parts of the library used. * This can be in the form of a textual message at program startup or * in documentation (online or textual) provided with the package. - * + * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: @@ -34,10 +34,10 @@ * Eric Young (eay@cryptsoft.com)" * The word 'cryptographic' can be left out if the rouines from the library * being used are not cryptographic related :-). - * 4. If you include any Windows specific code (or a derivative thereof) from + * 4. If you include any Windows specific code (or a derivative thereof) from * the apps directory (application code) you must include an acknowledgement: * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" - * + * * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE @@ -49,7 +49,7 @@ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. - * + * * The licence and distribution terms for any publically available version or * derivative of this code cannot be changed. i.e. this code cannot simply be * copied and put under another distribution licence @@ -63,54 +63,55 @@ * stylistic vision for SSLeay :-) */ #ifndef HEADER_DSA_H -#define HEADER_DSA_H +# define HEADER_DSA_H -#include <openssl/e_os2.h> +# include <openssl/e_os2.h> -#ifdef OPENSSL_NO_DSA -#error DSA is disabled. -#endif +# ifdef OPENSSL_NO_DSA +# error DSA is disabled. +# endif -#ifndef OPENSSL_NO_BIO -#include <openssl/bio.h> -#endif -#include <openssl/crypto.h> -#include <openssl/ossl_typ.h> +# ifndef OPENSSL_NO_BIO +# include <openssl/bio.h> +# endif +# include <openssl/crypto.h> +# include <openssl/ossl_typ.h> -#ifndef OPENSSL_NO_DEPRECATED -#include <openssl/bn.h> -#ifndef OPENSSL_NO_DH -# include <openssl/dh.h> -#endif -#endif +# ifndef OPENSSL_NO_DEPRECATED +# include <openssl/bn.h> +# ifndef OPENSSL_NO_DH +# include <openssl/dh.h> +# endif +# endif -#ifndef OPENSSL_DSA_MAX_MODULUS_BITS -# define OPENSSL_DSA_MAX_MODULUS_BITS 10000 -#endif +# ifndef OPENSSL_DSA_MAX_MODULUS_BITS +# define OPENSSL_DSA_MAX_MODULUS_BITS 10000 +# endif -#define DSA_FLAG_CACHE_MONT_P 0x01 -#define DSA_FLAG_NO_EXP_CONSTTIME 0x02 /* new with 0.9.7h; the built-in DSA - * implementation now uses constant time - * modular exponentiation for secret exponents - * by default. This flag causes the - * faster variable sliding window method to - * be used for all exponents. - */ - -/* If this flag is set the DSA method is FIPS compliant and can be used - * in FIPS mode. This is set in the validated module method. If an - * application sets this flag in its own methods it is its reposibility - * to ensure the result is compliant. +# define DSA_FLAG_CACHE_MONT_P 0x01 +/* + * new with 0.9.7h; the built-in DSA implementation now uses constant time + * modular exponentiation for secret exponents by default. This flag causes + * the faster variable sliding window method to be used for all exponents. */ +# define DSA_FLAG_NO_EXP_CONSTTIME 0x02 -#define DSA_FLAG_FIPS_METHOD 0x0400 +/* + * If this flag is set the DSA method is FIPS compliant and can be used in + * FIPS mode. This is set in the validated module method. If an application + * sets this flag in its own methods it is its reposibility to ensure the + * result is compliant. + */ -/* If this flag is set the operations normally disabled in FIPS mode are +# define DSA_FLAG_FIPS_METHOD 0x0400 + +/* + * If this flag is set the operations normally disabled in FIPS mode are * permitted it is then the applications responsibility to ensure that the * usage is compliant. */ -#define DSA_FLAG_NON_FIPS_ALLOW 0x0400 +# define DSA_FLAG_NON_FIPS_ALLOW 0x0400 #ifdef __cplusplus extern "C" { @@ -120,160 +121,161 @@ extern "C" { /* typedef struct dsa_st DSA; */ /* typedef struct dsa_method DSA_METHOD; */ -typedef struct DSA_SIG_st - { - BIGNUM *r; - BIGNUM *s; - } DSA_SIG; - -struct dsa_method - { - const char *name; - DSA_SIG * (*dsa_do_sign)(const unsigned char *dgst, int dlen, DSA *dsa); - int (*dsa_sign_setup)(DSA *dsa, BN_CTX *ctx_in, BIGNUM **kinvp, - BIGNUM **rp); - int (*dsa_do_verify)(const unsigned char *dgst, int dgst_len, - DSA_SIG *sig, DSA *dsa); - int (*dsa_mod_exp)(DSA *dsa, BIGNUM *rr, BIGNUM *a1, BIGNUM *p1, - BIGNUM *a2, BIGNUM *p2, BIGNUM *m, BN_CTX *ctx, - BN_MONT_CTX *in_mont); - int (*bn_mod_exp)(DSA *dsa, BIGNUM *r, BIGNUM *a, const BIGNUM *p, - const BIGNUM *m, BN_CTX *ctx, - BN_MONT_CTX *m_ctx); /* Can be null */ - int (*init)(DSA *dsa); - int (*finish)(DSA *dsa); - int flags; - char *app_data; - /* If this is non-NULL, it is used to generate DSA parameters */ - int (*dsa_paramgen)(DSA *dsa, int bits, - const unsigned char *seed, int seed_len, - int *counter_ret, unsigned long *h_ret, - BN_GENCB *cb); - /* If this is non-NULL, it is used to generate DSA keys */ - int (*dsa_keygen)(DSA *dsa); - }; - -struct dsa_st - { - /* This first variable is used to pick up errors where - * a DSA is passed instead of of a EVP_PKEY */ - int pad; - long version; - int write_params; - BIGNUM *p; - BIGNUM *q; /* == 20 */ - BIGNUM *g; - - BIGNUM *pub_key; /* y public key */ - BIGNUM *priv_key; /* x private key */ - - BIGNUM *kinv; /* Signing pre-calc */ - BIGNUM *r; /* Signing pre-calc */ - - int flags; - /* Normally used to cache montgomery values */ - BN_MONT_CTX *method_mont_p; - int references; - CRYPTO_EX_DATA ex_data; - const DSA_METHOD *meth; - /* functional reference if 'meth' is ENGINE-provided */ - ENGINE *engine; - }; - -#define d2i_DSAparams_fp(fp,x) (DSA *)ASN1_d2i_fp((char *(*)())DSA_new, \ - (char *(*)())d2i_DSAparams,(fp),(unsigned char **)(x)) -#define i2d_DSAparams_fp(fp,x) ASN1_i2d_fp(i2d_DSAparams,(fp), \ - (unsigned char *)(x)) -#define d2i_DSAparams_bio(bp,x) ASN1_d2i_bio_of(DSA,DSA_new,d2i_DSAparams,bp,x) -#define i2d_DSAparams_bio(bp,x) ASN1_i2d_bio_of_const(DSA,i2d_DSAparams,bp,x) - +typedef struct DSA_SIG_st { + BIGNUM *r; + BIGNUM *s; +} DSA_SIG; + +struct dsa_method { + const char *name; + DSA_SIG *(*dsa_do_sign) (const unsigned char *dgst, int dlen, DSA *dsa); + int (*dsa_sign_setup) (DSA *dsa, BN_CTX *ctx_in, BIGNUM **kinvp, + BIGNUM **rp); + int (*dsa_do_verify) (const unsigned char *dgst, int dgst_len, + DSA_SIG *sig, DSA *dsa); + int (*dsa_mod_exp) (DSA *dsa, BIGNUM *rr, BIGNUM *a1, BIGNUM *p1, + BIGNUM *a2, BIGNUM *p2, BIGNUM *m, BN_CTX *ctx, + BN_MONT_CTX *in_mont); + /* Can be null */ + int (*bn_mod_exp) (DSA *dsa, BIGNUM *r, BIGNUM *a, const BIGNUM *p, + const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx); + int (*init) (DSA *dsa); + int (*finish) (DSA *dsa); + int flags; + char *app_data; + /* If this is non-NULL, it is used to generate DSA parameters */ + int (*dsa_paramgen) (DSA *dsa, int bits, + const unsigned char *seed, int seed_len, + int *counter_ret, unsigned long *h_ret, + BN_GENCB *cb); + /* If this is non-NULL, it is used to generate DSA keys */ + int (*dsa_keygen) (DSA *dsa); +}; + +struct dsa_st { + /* + * This first variable is used to pick up errors where a DSA is passed + * instead of of a EVP_PKEY + */ + int pad; + long version; + int write_params; + BIGNUM *p; + BIGNUM *q; /* == 20 */ + BIGNUM *g; + BIGNUM *pub_key; /* y public key */ + BIGNUM *priv_key; /* x private key */ + BIGNUM *kinv; /* Signing pre-calc */ + BIGNUM *r; /* Signing pre-calc */ + int flags; + /* Normally used to cache montgomery values */ + BN_MONT_CTX *method_mont_p; + int references; + CRYPTO_EX_DATA ex_data; + const DSA_METHOD *meth; + /* functional reference if 'meth' is ENGINE-provided */ + ENGINE *engine; +}; + +# define d2i_DSAparams_fp(fp,x) (DSA *)ASN1_d2i_fp((char *(*)())DSA_new, \ + (char *(*)())d2i_DSAparams,(fp),(unsigned char **)(x)) +# define i2d_DSAparams_fp(fp,x) ASN1_i2d_fp(i2d_DSAparams,(fp), \ + (unsigned char *)(x)) +# define d2i_DSAparams_bio(bp,x) ASN1_d2i_bio_of(DSA,DSA_new,d2i_DSAparams,bp,x) +# define i2d_DSAparams_bio(bp,x) ASN1_i2d_bio_of_const(DSA,i2d_DSAparams,bp,x) DSA *DSAparams_dup(DSA *x); -DSA_SIG * DSA_SIG_new(void); -void DSA_SIG_free(DSA_SIG *a); -int i2d_DSA_SIG(const DSA_SIG *a, unsigned char **pp); -DSA_SIG * d2i_DSA_SIG(DSA_SIG **v, const unsigned char **pp, long length); +DSA_SIG *DSA_SIG_new(void); +void DSA_SIG_free(DSA_SIG *a); +int i2d_DSA_SIG(const DSA_SIG *a, unsigned char **pp); +DSA_SIG *d2i_DSA_SIG(DSA_SIG **v, const unsigned char **pp, long length); -DSA_SIG * DSA_do_sign(const unsigned char *dgst,int dlen,DSA *dsa); -int DSA_do_verify(const unsigned char *dgst,int dgst_len, - DSA_SIG *sig,DSA *dsa); +DSA_SIG *DSA_do_sign(const unsigned char *dgst, int dlen, DSA *dsa); +int DSA_do_verify(const unsigned char *dgst, int dgst_len, + DSA_SIG *sig, DSA *dsa); const DSA_METHOD *DSA_OpenSSL(void); -void DSA_set_default_method(const DSA_METHOD *); +void DSA_set_default_method(const DSA_METHOD *); const DSA_METHOD *DSA_get_default_method(void); -int DSA_set_method(DSA *dsa, const DSA_METHOD *); +int DSA_set_method(DSA *dsa, const DSA_METHOD *); -DSA * DSA_new(void); -DSA * DSA_new_method(ENGINE *engine); -void DSA_free (DSA *r); +DSA *DSA_new(void); +DSA *DSA_new_method(ENGINE *engine); +void DSA_free(DSA *r); /* "up" the DSA object's reference count */ -int DSA_up_ref(DSA *r); -int DSA_size(const DSA *); - /* next 4 return -1 on error */ -int DSA_sign_setup( DSA *dsa,BN_CTX *ctx_in,BIGNUM **kinvp,BIGNUM **rp); -int DSA_sign(int type,const unsigned char *dgst,int dlen, - unsigned char *sig, unsigned int *siglen, DSA *dsa); -int DSA_verify(int type,const unsigned char *dgst,int dgst_len, - const unsigned char *sigbuf, int siglen, DSA *dsa); +int DSA_up_ref(DSA *r); +int DSA_size(const DSA *); + /* next 4 return -1 on error */ +int DSA_sign_setup(DSA *dsa, BN_CTX *ctx_in, BIGNUM **kinvp, BIGNUM **rp); +int DSA_sign(int type, const unsigned char *dgst, int dlen, + unsigned char *sig, unsigned int *siglen, DSA *dsa); +int DSA_verify(int type, const unsigned char *dgst, int dgst_len, + const unsigned char *sigbuf, int siglen, DSA *dsa); int DSA_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func, - CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func); + CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func); int DSA_set_ex_data(DSA *d, int idx, void *arg); void *DSA_get_ex_data(DSA *d, int idx); -DSA * d2i_DSAPublicKey(DSA **a, const unsigned char **pp, long length); -DSA * d2i_DSAPrivateKey(DSA **a, const unsigned char **pp, long length); -DSA * d2i_DSAparams(DSA **a, const unsigned char **pp, long length); +DSA *d2i_DSAPublicKey(DSA **a, const unsigned char **pp, long length); +DSA *d2i_DSAPrivateKey(DSA **a, const unsigned char **pp, long length); +DSA *d2i_DSAparams(DSA **a, const unsigned char **pp, long length); /* Deprecated version */ -#ifndef OPENSSL_NO_DEPRECATED -DSA * DSA_generate_parameters(int bits, - unsigned char *seed,int seed_len, - int *counter_ret, unsigned long *h_ret,void - (*callback)(int, int, void *),void *cb_arg); -#endif /* !defined(OPENSSL_NO_DEPRECATED) */ +# ifndef OPENSSL_NO_DEPRECATED +DSA *DSA_generate_parameters(int bits, + unsigned char *seed, int seed_len, + int *counter_ret, unsigned long *h_ret, void + (*callback) (int, int, void *), void *cb_arg); +# endif /* !defined(OPENSSL_NO_DEPRECATED) */ /* New version */ -int DSA_generate_parameters_ex(DSA *dsa, int bits, - const unsigned char *seed,int seed_len, - int *counter_ret, unsigned long *h_ret, BN_GENCB *cb); - -int DSA_generate_key(DSA *a); -int i2d_DSAPublicKey(const DSA *a, unsigned char **pp); -int i2d_DSAPrivateKey(const DSA *a, unsigned char **pp); -int i2d_DSAparams(const DSA *a,unsigned char **pp); - -#ifndef OPENSSL_NO_BIO -int DSAparams_print(BIO *bp, const DSA *x); -int DSA_print(BIO *bp, const DSA *x, int off); -#endif -#ifndef OPENSSL_NO_FP_API -int DSAparams_print_fp(FILE *fp, const DSA *x); -int DSA_print_fp(FILE *bp, const DSA *x, int off); -#endif - -#define DSS_prime_checks 50 -/* Primality test according to FIPS PUB 186[-1], Appendix 2.1: - * 50 rounds of Rabin-Miller */ -#define DSA_is_prime(n, callback, cb_arg) \ - BN_is_prime(n, DSS_prime_checks, callback, NULL, cb_arg) +int DSA_generate_parameters_ex(DSA *dsa, int bits, + const unsigned char *seed, int seed_len, + int *counter_ret, unsigned long *h_ret, + BN_GENCB *cb); + +int DSA_generate_key(DSA *a); +int i2d_DSAPublicKey(const DSA *a, unsigned char **pp); +int i2d_DSAPrivateKey(const DSA *a, unsigned char **pp); +int i2d_DSAparams(const DSA *a, unsigned char **pp); + +# ifndef OPENSSL_NO_BIO +int DSAparams_print(BIO *bp, const DSA *x); +int DSA_print(BIO *bp, const DSA *x, int off); +# endif +# ifndef OPENSSL_NO_FP_API +int DSAparams_print_fp(FILE *fp, const DSA *x); +int DSA_print_fp(FILE *bp, const DSA *x, int off); +# endif + +# define DSS_prime_checks 50 +/* + * Primality test according to FIPS PUB 186[-1], Appendix 2.1: 50 rounds of + * Rabin-Miller + */ +# define DSA_is_prime(n, callback, cb_arg) \ + BN_is_prime(n, DSS_prime_checks, callback, NULL, cb_arg) -#ifndef OPENSSL_NO_DH -/* Convert DSA structure (key or just parameters) into DH structure - * (be careful to avoid small subgroup attacks when using this!) */ +# ifndef OPENSSL_NO_DH +/* + * Convert DSA structure (key or just parameters) into DH structure (be + * careful to avoid small subgroup attacks when using this!) + */ DH *DSA_dup_DH(const DSA *r); -#endif +# endif -#define EVP_PKEY_CTX_set_dsa_paramgen_bits(ctx, nbits) \ - EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DSA, EVP_PKEY_OP_PARAMGEN, \ - EVP_PKEY_CTRL_DSA_PARAMGEN_BITS, nbits, NULL) +# define EVP_PKEY_CTX_set_dsa_paramgen_bits(ctx, nbits) \ + EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DSA, EVP_PKEY_OP_PARAMGEN, \ + EVP_PKEY_CTRL_DSA_PARAMGEN_BITS, nbits, NULL) -#define EVP_PKEY_CTRL_DSA_PARAMGEN_BITS (EVP_PKEY_ALG_CTRL + 1) -#define EVP_PKEY_CTRL_DSA_PARAMGEN_Q_BITS (EVP_PKEY_ALG_CTRL + 2) -#define EVP_PKEY_CTRL_DSA_PARAMGEN_MD (EVP_PKEY_ALG_CTRL + 3) +# define EVP_PKEY_CTRL_DSA_PARAMGEN_BITS (EVP_PKEY_ALG_CTRL + 1) +# define EVP_PKEY_CTRL_DSA_PARAMGEN_Q_BITS (EVP_PKEY_ALG_CTRL + 2) +# define EVP_PKEY_CTRL_DSA_PARAMGEN_MD (EVP_PKEY_ALG_CTRL + 3) /* BEGIN ERROR CODES */ -/* The following lines are auto generated by the script mkerr.pl. Any changes +/* + * The following lines are auto generated by the script mkerr.pl. Any changes * made after this point may be overwritten when the script is next run. */ void ERR_load_DSA_strings(void); @@ -281,45 +283,48 @@ void ERR_load_DSA_strings(void); /* Error codes for the DSA functions. */ /* Function codes. */ -#define DSA_F_D2I_DSA_SIG 110 -#define DSA_F_DO_DSA_PRINT 104 -#define DSA_F_DSAPARAMS_PRINT 100 -#define DSA_F_DSAPARAMS_PRINT_FP 101 -#define DSA_F_DSA_DO_SIGN 112 -#define DSA_F_DSA_DO_VERIFY 113 -#define DSA_F_DSA_GENERATE_KEY 124 -#define DSA_F_DSA_GENERATE_PARAMETERS_EX 123 -#define DSA_F_DSA_NEW_METHOD 103 -#define DSA_F_DSA_PARAM_DECODE 119 -#define DSA_F_DSA_PRINT_FP 105 -#define DSA_F_DSA_PRIV_DECODE 115 -#define DSA_F_DSA_PRIV_ENCODE 116 -#define DSA_F_DSA_PUB_DECODE 117 -#define DSA_F_DSA_PUB_ENCODE 118 -#define DSA_F_DSA_SIGN 106 -#define DSA_F_DSA_SIGN_SETUP 107 -#define DSA_F_DSA_SIG_NEW 109 -#define DSA_F_DSA_SIG_PRINT 125 -#define DSA_F_DSA_VERIFY 108 -#define DSA_F_I2D_DSA_SIG 111 -#define DSA_F_OLD_DSA_PRIV_DECODE 122 -#define DSA_F_PKEY_DSA_CTRL 120 -#define DSA_F_PKEY_DSA_KEYGEN 121 -#define DSA_F_SIG_CB 114 +# define DSA_F_D2I_DSA_SIG 110 +# define DSA_F_DO_DSA_PRINT 104 +# define DSA_F_DSAPARAMS_PRINT 100 +# define DSA_F_DSAPARAMS_PRINT_FP 101 +# define DSA_F_DSA_BUILTIN_PARAMGEN2 126 +# define DSA_F_DSA_DO_SIGN 112 +# define DSA_F_DSA_DO_VERIFY 113 +# define DSA_F_DSA_GENERATE_KEY 124 +# define DSA_F_DSA_GENERATE_PARAMETERS_EX 123 +# define DSA_F_DSA_NEW_METHOD 103 +# define DSA_F_DSA_PARAM_DECODE 119 +# define DSA_F_DSA_PRINT_FP 105 +# define DSA_F_DSA_PRIV_DECODE 115 +# define DSA_F_DSA_PRIV_ENCODE 116 +# define DSA_F_DSA_PUB_DECODE 117 +# define DSA_F_DSA_PUB_ENCODE 118 +# define DSA_F_DSA_SIGN 106 +# define DSA_F_DSA_SIGN_SETUP 107 +# define DSA_F_DSA_SIG_NEW 109 +# define DSA_F_DSA_SIG_PRINT 125 +# define DSA_F_DSA_VERIFY 108 +# define DSA_F_I2D_DSA_SIG 111 +# define DSA_F_OLD_DSA_PRIV_DECODE 122 +# define DSA_F_PKEY_DSA_CTRL 120 +# define DSA_F_PKEY_DSA_KEYGEN 121 +# define DSA_F_SIG_CB 114 /* Reason codes. */ -#define DSA_R_BAD_Q_VALUE 102 -#define DSA_R_BN_DECODE_ERROR 108 -#define DSA_R_BN_ERROR 109 -#define DSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE 100 -#define DSA_R_DECODE_ERROR 104 -#define DSA_R_INVALID_DIGEST_TYPE 106 -#define DSA_R_MISSING_PARAMETERS 101 -#define DSA_R_MODULUS_TOO_LARGE 103 -#define DSA_R_NEED_NEW_SETUP_VALUES 110 -#define DSA_R_NON_FIPS_DSA_METHOD 111 -#define DSA_R_NO_PARAMETERS_SET 107 -#define DSA_R_PARAMETER_ENCODING_ERROR 105 +# define DSA_R_BAD_Q_VALUE 102 +# define DSA_R_BN_DECODE_ERROR 108 +# define DSA_R_BN_ERROR 109 +# define DSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE 100 +# define DSA_R_DECODE_ERROR 104 +# define DSA_R_INVALID_DIGEST_TYPE 106 +# define DSA_R_INVALID_PARAMETERS 112 +# define DSA_R_MISSING_PARAMETERS 101 +# define DSA_R_MODULUS_TOO_LARGE 103 +# define DSA_R_NEED_NEW_SETUP_VALUES 110 +# define DSA_R_NON_FIPS_DSA_METHOD 111 +# define DSA_R_NO_PARAMETERS_SET 107 +# define DSA_R_PARAMETER_ENCODING_ERROR 105 +# define DSA_R_Q_NOT_PRIME 113 #ifdef __cplusplus } diff --git a/openssl/crypto/dsa/dsa_ameth.c b/openssl/crypto/dsa/dsa_ameth.c index 5af76eade..c142ce702 100644 --- a/openssl/crypto/dsa/dsa_ameth.c +++ b/openssl/crypto/dsa/dsa_ameth.c @@ -1,5 +1,6 @@ -/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL - * project 2006. +/* + * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project + * 2006. */ /* ==================================================================== * Copyright (c) 2006 The OpenSSL Project. All rights reserved. @@ -9,7 +10,7 @@ * are met: * * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. + * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in @@ -62,648 +63,613 @@ #include <openssl/dsa.h> #include <openssl/bn.h> #ifndef OPENSSL_NO_CMS -#include <openssl/cms.h> +# include <openssl/cms.h> #endif #include "asn1_locl.h" static int dsa_pub_decode(EVP_PKEY *pkey, X509_PUBKEY *pubkey) - { - const unsigned char *p, *pm; - int pklen, pmlen; - int ptype; - void *pval; - ASN1_STRING *pstr; - X509_ALGOR *palg; - ASN1_INTEGER *public_key = NULL; - - DSA *dsa = NULL; - - if (!X509_PUBKEY_get0_param(NULL, &p, &pklen, &palg, pubkey)) - return 0; - X509_ALGOR_get0(NULL, &ptype, &pval, palg); - - - if (ptype == V_ASN1_SEQUENCE) - { - pstr = pval; - pm = pstr->data; - pmlen = pstr->length; - - if (!(dsa = d2i_DSAparams(NULL, &pm, pmlen))) - { - DSAerr(DSA_F_DSA_PUB_DECODE, DSA_R_DECODE_ERROR); - goto err; - } - - } - else if ((ptype == V_ASN1_NULL) || (ptype == V_ASN1_UNDEF)) - { - if (!(dsa = DSA_new())) - { - DSAerr(DSA_F_DSA_PUB_DECODE, ERR_R_MALLOC_FAILURE); - goto err; - } - } - else - { - DSAerr(DSA_F_DSA_PUB_DECODE, DSA_R_PARAMETER_ENCODING_ERROR); - goto err; - } - - if (!(public_key=d2i_ASN1_INTEGER(NULL, &p, pklen))) - { - DSAerr(DSA_F_DSA_PUB_DECODE, DSA_R_DECODE_ERROR); - goto err; - } - - if (!(dsa->pub_key = ASN1_INTEGER_to_BN(public_key, NULL))) - { - DSAerr(DSA_F_DSA_PUB_DECODE, DSA_R_BN_DECODE_ERROR); - goto err; - } - - ASN1_INTEGER_free(public_key); - EVP_PKEY_assign_DSA(pkey, dsa); - return 1; - - err: - if (public_key) - ASN1_INTEGER_free(public_key); - if (dsa) - DSA_free(dsa); - return 0; - - } +{ + const unsigned char *p, *pm; + int pklen, pmlen; + int ptype; + void *pval; + ASN1_STRING *pstr; + X509_ALGOR *palg; + ASN1_INTEGER *public_key = NULL; + + DSA *dsa = NULL; + + if (!X509_PUBKEY_get0_param(NULL, &p, &pklen, &palg, pubkey)) + return 0; + X509_ALGOR_get0(NULL, &ptype, &pval, palg); + + if (ptype == V_ASN1_SEQUENCE) { + pstr = pval; + pm = pstr->data; + pmlen = pstr->length; + + if (!(dsa = d2i_DSAparams(NULL, &pm, pmlen))) { + DSAerr(DSA_F_DSA_PUB_DECODE, DSA_R_DECODE_ERROR); + goto err; + } + + } else if ((ptype == V_ASN1_NULL) || (ptype == V_ASN1_UNDEF)) { + if (!(dsa = DSA_new())) { + DSAerr(DSA_F_DSA_PUB_DECODE, ERR_R_MALLOC_FAILURE); + goto err; + } + } else { + DSAerr(DSA_F_DSA_PUB_DECODE, DSA_R_PARAMETER_ENCODING_ERROR); + goto err; + } + + if (!(public_key = d2i_ASN1_INTEGER(NULL, &p, pklen))) { + DSAerr(DSA_F_DSA_PUB_DECODE, DSA_R_DECODE_ERROR); + goto err; + } + + if (!(dsa->pub_key = ASN1_INTEGER_to_BN(public_key, NULL))) { + DSAerr(DSA_F_DSA_PUB_DECODE, DSA_R_BN_DECODE_ERROR); + goto err; + } + + ASN1_INTEGER_free(public_key); + EVP_PKEY_assign_DSA(pkey, dsa); + return 1; + + err: + if (public_key) + ASN1_INTEGER_free(public_key); + if (dsa) + DSA_free(dsa); + return 0; + +} static int dsa_pub_encode(X509_PUBKEY *pk, const EVP_PKEY *pkey) - { - DSA *dsa; - void *pval = NULL; - int ptype; - unsigned char *penc = NULL; - int penclen; - - dsa=pkey->pkey.dsa; - if (pkey->save_parameters && dsa->p && dsa->q && dsa->g) - { - ASN1_STRING *str; - str = ASN1_STRING_new(); - str->length = i2d_DSAparams(dsa, &str->data); - if (str->length <= 0) - { - DSAerr(DSA_F_DSA_PUB_ENCODE, ERR_R_MALLOC_FAILURE); - goto err; - } - pval = str; - ptype = V_ASN1_SEQUENCE; - } - else - ptype = V_ASN1_UNDEF; - - dsa->write_params=0; - - penclen = i2d_DSAPublicKey(dsa, &penc); - - if (penclen <= 0) - { - DSAerr(DSA_F_DSA_PUB_ENCODE, ERR_R_MALLOC_FAILURE); - goto err; - } - - if (X509_PUBKEY_set0_param(pk, OBJ_nid2obj(EVP_PKEY_DSA), - ptype, pval, penc, penclen)) - return 1; - - err: - if (penc) - OPENSSL_free(penc); - if (pval) - ASN1_STRING_free(pval); - - return 0; - } - -/* In PKCS#8 DSA: you just get a private key integer and parameters in the +{ + DSA *dsa; + void *pval = NULL; + int ptype; + unsigned char *penc = NULL; + int penclen; + + dsa = pkey->pkey.dsa; + if (pkey->save_parameters && dsa->p && dsa->q && dsa->g) { + ASN1_STRING *str; + str = ASN1_STRING_new(); + str->length = i2d_DSAparams(dsa, &str->data); + if (str->length <= 0) { + DSAerr(DSA_F_DSA_PUB_ENCODE, ERR_R_MALLOC_FAILURE); + goto err; + } + pval = str; + ptype = V_ASN1_SEQUENCE; + } else + ptype = V_ASN1_UNDEF; + + dsa->write_params = 0; + + penclen = i2d_DSAPublicKey(dsa, &penc); + + if (penclen <= 0) { + DSAerr(DSA_F_DSA_PUB_ENCODE, ERR_R_MALLOC_FAILURE); + goto err; + } + + if (X509_PUBKEY_set0_param(pk, OBJ_nid2obj(EVP_PKEY_DSA), + ptype, pval, penc, penclen)) + return 1; + + err: + if (penc) + OPENSSL_free(penc); + if (pval) + ASN1_STRING_free(pval); + + return 0; +} + +/* + * In PKCS#8 DSA: you just get a private key integer and parameters in the * AlgorithmIdentifier the pubkey must be recalculated. */ - + static int dsa_priv_decode(EVP_PKEY *pkey, PKCS8_PRIV_KEY_INFO *p8) - { - const unsigned char *p, *pm; - int pklen, pmlen; - int ptype; - void *pval; - ASN1_STRING *pstr; - X509_ALGOR *palg; - ASN1_INTEGER *privkey = NULL; - BN_CTX *ctx = NULL; - - STACK_OF(ASN1_TYPE) *ndsa = NULL; - DSA *dsa = NULL; - - if (!PKCS8_pkey_get0(NULL, &p, &pklen, &palg, p8)) - return 0; - X509_ALGOR_get0(NULL, &ptype, &pval, palg); - - /* Check for broken DSA PKCS#8, UGH! */ - if (*p == (V_ASN1_SEQUENCE|V_ASN1_CONSTRUCTED)) - { - ASN1_TYPE *t1, *t2; - if(!(ndsa = d2i_ASN1_SEQUENCE_ANY(NULL, &p, pklen))) - goto decerr; - if (sk_ASN1_TYPE_num(ndsa) != 2) - goto decerr; - /* Handle Two broken types: - * SEQUENCE {parameters, priv_key} - * SEQUENCE {pub_key, priv_key} - */ - - t1 = sk_ASN1_TYPE_value(ndsa, 0); - t2 = sk_ASN1_TYPE_value(ndsa, 1); - if (t1->type == V_ASN1_SEQUENCE) - { - p8->broken = PKCS8_EMBEDDED_PARAM; - pval = t1->value.ptr; - } - else if (ptype == V_ASN1_SEQUENCE) - p8->broken = PKCS8_NS_DB; - else - goto decerr; - - if (t2->type != V_ASN1_INTEGER) - goto decerr; - - privkey = t2->value.integer; - } - else - { - const unsigned char *q = p; - if (!(privkey=d2i_ASN1_INTEGER(NULL, &p, pklen))) - goto decerr; - if (privkey->type == V_ASN1_NEG_INTEGER) - { - p8->broken = PKCS8_NEG_PRIVKEY; - ASN1_INTEGER_free(privkey); - if (!(privkey=d2i_ASN1_UINTEGER(NULL, &q, pklen))) - goto decerr; - } - if (ptype != V_ASN1_SEQUENCE) - goto decerr; - } - - pstr = pval; - pm = pstr->data; - pmlen = pstr->length; - if (!(dsa = d2i_DSAparams(NULL, &pm, pmlen))) - goto decerr; - /* We have parameters now set private key */ - if (!(dsa->priv_key = ASN1_INTEGER_to_BN(privkey, NULL))) - { - DSAerr(DSA_F_DSA_PRIV_DECODE,DSA_R_BN_ERROR); - goto dsaerr; - } - /* Calculate public key */ - if (!(dsa->pub_key = BN_new())) - { - DSAerr(DSA_F_DSA_PRIV_DECODE, ERR_R_MALLOC_FAILURE); - goto dsaerr; - } - if (!(ctx = BN_CTX_new())) - { - DSAerr(DSA_F_DSA_PRIV_DECODE, ERR_R_MALLOC_FAILURE); - goto dsaerr; - } - - if (!BN_mod_exp(dsa->pub_key, dsa->g, dsa->priv_key, dsa->p, ctx)) - { - DSAerr(DSA_F_DSA_PRIV_DECODE,DSA_R_BN_ERROR); - goto dsaerr; - } - - EVP_PKEY_assign_DSA(pkey, dsa); - BN_CTX_free (ctx); - if(ndsa) - sk_ASN1_TYPE_pop_free(ndsa, ASN1_TYPE_free); - else - ASN1_INTEGER_free(privkey); - - return 1; - - decerr: - DSAerr(DSA_F_DSA_PRIV_DECODE, EVP_R_DECODE_ERROR); - dsaerr: - BN_CTX_free (ctx); - if (privkey) - ASN1_INTEGER_free(privkey); - sk_ASN1_TYPE_pop_free(ndsa, ASN1_TYPE_free); - DSA_free(dsa); - return 0; - } +{ + const unsigned char *p, *pm; + int pklen, pmlen; + int ptype; + void *pval; + ASN1_STRING *pstr; + X509_ALGOR *palg; + ASN1_INTEGER *privkey = NULL; + BN_CTX *ctx = NULL; + + STACK_OF(ASN1_TYPE) *ndsa = NULL; + DSA *dsa = NULL; + + if (!PKCS8_pkey_get0(NULL, &p, &pklen, &palg, p8)) + return 0; + X509_ALGOR_get0(NULL, &ptype, &pval, palg); + + /* Check for broken DSA PKCS#8, UGH! */ + if (*p == (V_ASN1_SEQUENCE | V_ASN1_CONSTRUCTED)) { + ASN1_TYPE *t1, *t2; + if (!(ndsa = d2i_ASN1_SEQUENCE_ANY(NULL, &p, pklen))) + goto decerr; + if (sk_ASN1_TYPE_num(ndsa) != 2) + goto decerr; + /*- + * Handle Two broken types: + * SEQUENCE {parameters, priv_key} + * SEQUENCE {pub_key, priv_key} + */ + + t1 = sk_ASN1_TYPE_value(ndsa, 0); + t2 = sk_ASN1_TYPE_value(ndsa, 1); + if (t1->type == V_ASN1_SEQUENCE) { + p8->broken = PKCS8_EMBEDDED_PARAM; + pval = t1->value.ptr; + } else if (ptype == V_ASN1_SEQUENCE) + p8->broken = PKCS8_NS_DB; + else + goto decerr; + + if (t2->type != V_ASN1_INTEGER) + goto decerr; + + privkey = t2->value.integer; + } else { + const unsigned char *q = p; + if (!(privkey = d2i_ASN1_INTEGER(NULL, &p, pklen))) + goto decerr; + if (privkey->type == V_ASN1_NEG_INTEGER) { + p8->broken = PKCS8_NEG_PRIVKEY; + ASN1_INTEGER_free(privkey); + if (!(privkey = d2i_ASN1_UINTEGER(NULL, &q, pklen))) + goto decerr; + } + if (ptype != V_ASN1_SEQUENCE) + goto decerr; + } + + pstr = pval; + pm = pstr->data; + pmlen = pstr->length; + if (!(dsa = d2i_DSAparams(NULL, &pm, pmlen))) + goto decerr; + /* We have parameters now set private key */ + if (!(dsa->priv_key = ASN1_INTEGER_to_BN(privkey, NULL))) { + DSAerr(DSA_F_DSA_PRIV_DECODE, DSA_R_BN_ERROR); + goto dsaerr; + } + /* Calculate public key */ + if (!(dsa->pub_key = BN_new())) { + DSAerr(DSA_F_DSA_PRIV_DECODE, ERR_R_MALLOC_FAILURE); + goto dsaerr; + } + if (!(ctx = BN_CTX_new())) { + DSAerr(DSA_F_DSA_PRIV_DECODE, ERR_R_MALLOC_FAILURE); + goto dsaerr; + } + + if (!BN_mod_exp(dsa->pub_key, dsa->g, dsa->priv_key, dsa->p, ctx)) { + DSAerr(DSA_F_DSA_PRIV_DECODE, DSA_R_BN_ERROR); + goto dsaerr; + } + + EVP_PKEY_assign_DSA(pkey, dsa); + BN_CTX_free(ctx); + if (ndsa) + sk_ASN1_TYPE_pop_free(ndsa, ASN1_TYPE_free); + else + ASN1_INTEGER_free(privkey); + + return 1; + + decerr: + DSAerr(DSA_F_DSA_PRIV_DECODE, EVP_R_DECODE_ERROR); + dsaerr: + BN_CTX_free(ctx); + if (privkey) + ASN1_INTEGER_free(privkey); + sk_ASN1_TYPE_pop_free(ndsa, ASN1_TYPE_free); + DSA_free(dsa); + return 0; +} static int dsa_priv_encode(PKCS8_PRIV_KEY_INFO *p8, const EVP_PKEY *pkey) { - ASN1_STRING *params = NULL; - ASN1_INTEGER *prkey = NULL; - unsigned char *dp = NULL; - int dplen; - - if (!pkey->pkey.dsa || !pkey->pkey.dsa->priv_key) - { - DSAerr(DSA_F_DSA_PRIV_ENCODE,DSA_R_MISSING_PARAMETERS); - goto err; - } - - params = ASN1_STRING_new(); - - if (!params) - { - DSAerr(DSA_F_DSA_PRIV_ENCODE,ERR_R_MALLOC_FAILURE); - goto err; - } - - params->length = i2d_DSAparams(pkey->pkey.dsa, ¶ms->data); - if (params->length <= 0) - { - DSAerr(DSA_F_DSA_PRIV_ENCODE,ERR_R_MALLOC_FAILURE); - goto err; - } - params->type = V_ASN1_SEQUENCE; - - /* Get private key into integer */ - prkey = BN_to_ASN1_INTEGER(pkey->pkey.dsa->priv_key, NULL); - - if (!prkey) - { - DSAerr(DSA_F_DSA_PRIV_ENCODE,DSA_R_BN_ERROR); - goto err; - } - - dplen = i2d_ASN1_INTEGER(prkey, &dp); - - ASN1_INTEGER_free(prkey); - - if (!PKCS8_pkey_set0(p8, OBJ_nid2obj(NID_dsa), 0, - V_ASN1_SEQUENCE, params, dp, dplen)) - goto err; - - return 1; - -err: - if (dp != NULL) - OPENSSL_free(dp); - if (params != NULL) - ASN1_STRING_free(params); - if (prkey != NULL) - ASN1_INTEGER_free(prkey); - return 0; + ASN1_STRING *params = NULL; + ASN1_INTEGER *prkey = NULL; + unsigned char *dp = NULL; + int dplen; + + if (!pkey->pkey.dsa || !pkey->pkey.dsa->priv_key) { + DSAerr(DSA_F_DSA_PRIV_ENCODE, DSA_R_MISSING_PARAMETERS); + goto err; + } + + params = ASN1_STRING_new(); + + if (!params) { + DSAerr(DSA_F_DSA_PRIV_ENCODE, ERR_R_MALLOC_FAILURE); + goto err; + } + + params->length = i2d_DSAparams(pkey->pkey.dsa, ¶ms->data); + if (params->length <= 0) { + DSAerr(DSA_F_DSA_PRIV_ENCODE, ERR_R_MALLOC_FAILURE); + goto err; + } + params->type = V_ASN1_SEQUENCE; + + /* Get private key into integer */ + prkey = BN_to_ASN1_INTEGER(pkey->pkey.dsa->priv_key, NULL); + + if (!prkey) { + DSAerr(DSA_F_DSA_PRIV_ENCODE, DSA_R_BN_ERROR); + goto err; + } + + dplen = i2d_ASN1_INTEGER(prkey, &dp); + + ASN1_INTEGER_free(prkey); + + if (!PKCS8_pkey_set0(p8, OBJ_nid2obj(NID_dsa), 0, + V_ASN1_SEQUENCE, params, dp, dplen)) + goto err; + + return 1; + + err: + if (dp != NULL) + OPENSSL_free(dp); + if (params != NULL) + ASN1_STRING_free(params); + if (prkey != NULL) + ASN1_INTEGER_free(prkey); + return 0; } static int int_dsa_size(const EVP_PKEY *pkey) - { - return(DSA_size(pkey->pkey.dsa)); - } +{ + return (DSA_size(pkey->pkey.dsa)); +} static int dsa_bits(const EVP_PKEY *pkey) - { - return BN_num_bits(pkey->pkey.dsa->p); - } +{ + return BN_num_bits(pkey->pkey.dsa->p); +} static int dsa_missing_parameters(const EVP_PKEY *pkey) - { - DSA *dsa; - dsa=pkey->pkey.dsa; - if ((dsa->p == NULL) || (dsa->q == NULL) || (dsa->g == NULL)) - return 1; - return 0; - } +{ + DSA *dsa; + dsa = pkey->pkey.dsa; + if ((dsa->p == NULL) || (dsa->q == NULL) || (dsa->g == NULL)) + return 1; + return 0; +} static int dsa_copy_parameters(EVP_PKEY *to, const EVP_PKEY *from) - { - BIGNUM *a; - - if ((a=BN_dup(from->pkey.dsa->p)) == NULL) - return 0; - if (to->pkey.dsa->p != NULL) - BN_free(to->pkey.dsa->p); - to->pkey.dsa->p=a; - - if ((a=BN_dup(from->pkey.dsa->q)) == NULL) - return 0; - if (to->pkey.dsa->q != NULL) - BN_free(to->pkey.dsa->q); - to->pkey.dsa->q=a; - - if ((a=BN_dup(from->pkey.dsa->g)) == NULL) - return 0; - if (to->pkey.dsa->g != NULL) - BN_free(to->pkey.dsa->g); - to->pkey.dsa->g=a; - return 1; - } +{ + BIGNUM *a; + + if ((a = BN_dup(from->pkey.dsa->p)) == NULL) + return 0; + if (to->pkey.dsa->p != NULL) + BN_free(to->pkey.dsa->p); + to->pkey.dsa->p = a; + + if ((a = BN_dup(from->pkey.dsa->q)) == NULL) + return 0; + if (to->pkey.dsa->q != NULL) + BN_free(to->pkey.dsa->q); + to->pkey.dsa->q = a; + + if ((a = BN_dup(from->pkey.dsa->g)) == NULL) + return 0; + if (to->pkey.dsa->g != NULL) + BN_free(to->pkey.dsa->g); + to->pkey.dsa->g = a; + return 1; +} static int dsa_cmp_parameters(const EVP_PKEY *a, const EVP_PKEY *b) - { - if ( BN_cmp(a->pkey.dsa->p,b->pkey.dsa->p) || - BN_cmp(a->pkey.dsa->q,b->pkey.dsa->q) || - BN_cmp(a->pkey.dsa->g,b->pkey.dsa->g)) - return 0; - else - return 1; - } +{ + if (BN_cmp(a->pkey.dsa->p, b->pkey.dsa->p) || + BN_cmp(a->pkey.dsa->q, b->pkey.dsa->q) || + BN_cmp(a->pkey.dsa->g, b->pkey.dsa->g)) + return 0; + else + return 1; +} static int dsa_pub_cmp(const EVP_PKEY *a, const EVP_PKEY *b) - { - if (BN_cmp(b->pkey.dsa->pub_key,a->pkey.dsa->pub_key) != 0) - return 0; - else - return 1; - } +{ + if (BN_cmp(b->pkey.dsa->pub_key, a->pkey.dsa->pub_key) != 0) + return 0; + else + return 1; +} static void int_dsa_free(EVP_PKEY *pkey) - { - DSA_free(pkey->pkey.dsa); - } +{ + DSA_free(pkey->pkey.dsa); +} static void update_buflen(const BIGNUM *b, size_t *pbuflen) - { - size_t i; - if (!b) - return; - if (*pbuflen < (i = (size_t)BN_num_bytes(b))) - *pbuflen = i; - } +{ + size_t i; + if (!b) + return; + if (*pbuflen < (i = (size_t)BN_num_bytes(b))) + *pbuflen = i; +} static int do_dsa_print(BIO *bp, const DSA *x, int off, int ptype) - { - unsigned char *m=NULL; - int ret=0; - size_t buf_len=0; - const char *ktype = NULL; - - const BIGNUM *priv_key, *pub_key; - - if (ptype == 2) - priv_key = x->priv_key; - else - priv_key = NULL; - - if (ptype > 0) - pub_key = x->pub_key; - else - pub_key = NULL; - - if (ptype == 2) - ktype = "Private-Key"; - else if (ptype == 1) - ktype = "Public-Key"; - else - ktype = "DSA-Parameters"; - - update_buflen(x->p, &buf_len); - update_buflen(x->q, &buf_len); - update_buflen(x->g, &buf_len); - update_buflen(priv_key, &buf_len); - update_buflen(pub_key, &buf_len); - - m=(unsigned char *)OPENSSL_malloc(buf_len+10); - if (m == NULL) - { - DSAerr(DSA_F_DO_DSA_PRINT,ERR_R_MALLOC_FAILURE); - goto err; - } - - if (priv_key) - { - if(!BIO_indent(bp,off,128)) - goto err; - if (BIO_printf(bp,"%s: (%d bit)\n",ktype, BN_num_bits(x->p)) - <= 0) goto err; - } - - if (!ASN1_bn_print(bp,"priv:",priv_key,m,off)) - goto err; - if (!ASN1_bn_print(bp,"pub: ",pub_key,m,off)) - goto err; - if (!ASN1_bn_print(bp,"P: ",x->p,m,off)) goto err; - if (!ASN1_bn_print(bp,"Q: ",x->q,m,off)) goto err; - if (!ASN1_bn_print(bp,"G: ",x->g,m,off)) goto err; - ret=1; -err: - if (m != NULL) OPENSSL_free(m); - return(ret); - } +{ + unsigned char *m = NULL; + int ret = 0; + size_t buf_len = 0; + const char *ktype = NULL; + + const BIGNUM *priv_key, *pub_key; + + if (ptype == 2) + priv_key = x->priv_key; + else + priv_key = NULL; + + if (ptype > 0) + pub_key = x->pub_key; + else + pub_key = NULL; + + if (ptype == 2) + ktype = "Private-Key"; + else if (ptype == 1) + ktype = "Public-Key"; + else + ktype = "DSA-Parameters"; + + update_buflen(x->p, &buf_len); + update_buflen(x->q, &buf_len); + update_buflen(x->g, &buf_len); + update_buflen(priv_key, &buf_len); + update_buflen(pub_key, &buf_len); + + m = (unsigned char *)OPENSSL_malloc(buf_len + 10); + if (m == NULL) { + DSAerr(DSA_F_DO_DSA_PRINT, ERR_R_MALLOC_FAILURE); + goto err; + } + + if (priv_key) { + if (!BIO_indent(bp, off, 128)) + goto err; + if (BIO_printf(bp, "%s: (%d bit)\n", ktype, BN_num_bits(x->p)) + <= 0) + goto err; + } + + if (!ASN1_bn_print(bp, "priv:", priv_key, m, off)) + goto err; + if (!ASN1_bn_print(bp, "pub: ", pub_key, m, off)) + goto err; + if (!ASN1_bn_print(bp, "P: ", x->p, m, off)) + goto err; + if (!ASN1_bn_print(bp, "Q: ", x->q, m, off)) + goto err; + if (!ASN1_bn_print(bp, "G: ", x->g, m, off)) + goto err; + ret = 1; + err: + if (m != NULL) + OPENSSL_free(m); + return (ret); +} static int dsa_param_decode(EVP_PKEY *pkey, - const unsigned char **pder, int derlen) - { - DSA *dsa; - if (!(dsa = d2i_DSAparams(NULL, pder, derlen))) - { - DSAerr(DSA_F_DSA_PARAM_DECODE, ERR_R_DSA_LIB); - return 0; - } - EVP_PKEY_assign_DSA(pkey, dsa); - return 1; - } + const unsigned char **pder, int derlen) +{ + DSA *dsa; + if (!(dsa = d2i_DSAparams(NULL, pder, derlen))) { + DSAerr(DSA_F_DSA_PARAM_DECODE, ERR_R_DSA_LIB); + return 0; + } + EVP_PKEY_assign_DSA(pkey, dsa); + return 1; +} static int dsa_param_encode(const EVP_PKEY *pkey, unsigned char **pder) - { - return i2d_DSAparams(pkey->pkey.dsa, pder); - } +{ + return i2d_DSAparams(pkey->pkey.dsa, pder); +} static int dsa_param_print(BIO *bp, const EVP_PKEY *pkey, int indent, - ASN1_PCTX *ctx) - { - return do_dsa_print(bp, pkey->pkey.dsa, indent, 0); - } + ASN1_PCTX *ctx) +{ + return do_dsa_print(bp, pkey->pkey.dsa, indent, 0); +} static int dsa_pub_print(BIO *bp, const EVP_PKEY *pkey, int indent, - ASN1_PCTX *ctx) - { - return do_dsa_print(bp, pkey->pkey.dsa, indent, 1); - } - + ASN1_PCTX *ctx) +{ + return do_dsa_print(bp, pkey->pkey.dsa, indent, 1); +} static int dsa_priv_print(BIO *bp, const EVP_PKEY *pkey, int indent, - ASN1_PCTX *ctx) - { - return do_dsa_print(bp, pkey->pkey.dsa, indent, 2); - } + ASN1_PCTX *ctx) +{ + return do_dsa_print(bp, pkey->pkey.dsa, indent, 2); +} static int old_dsa_priv_decode(EVP_PKEY *pkey, - const unsigned char **pder, int derlen) - { - DSA *dsa; - if (!(dsa = d2i_DSAPrivateKey (NULL, pder, derlen))) - { - DSAerr(DSA_F_OLD_DSA_PRIV_DECODE, ERR_R_DSA_LIB); - return 0; - } - EVP_PKEY_assign_DSA(pkey, dsa); - return 1; - } + const unsigned char **pder, int derlen) +{ + DSA *dsa; + if (!(dsa = d2i_DSAPrivateKey(NULL, pder, derlen))) { + DSAerr(DSA_F_OLD_DSA_PRIV_DECODE, ERR_R_DSA_LIB); + return 0; + } + EVP_PKEY_assign_DSA(pkey, dsa); + return 1; +} static int old_dsa_priv_encode(const EVP_PKEY *pkey, unsigned char **pder) - { - return i2d_DSAPrivateKey(pkey->pkey.dsa, pder); - } +{ + return i2d_DSAPrivateKey(pkey->pkey.dsa, pder); +} static int dsa_sig_print(BIO *bp, const X509_ALGOR *sigalg, - const ASN1_STRING *sig, - int indent, ASN1_PCTX *pctx) - { - DSA_SIG *dsa_sig; - const unsigned char *p; - if (!sig) - { - if (BIO_puts(bp, "\n") <= 0) - return 0; - else - return 1; - } - p = sig->data; - dsa_sig = d2i_DSA_SIG(NULL, &p, sig->length); - if (dsa_sig) - { - int rv = 0; - size_t buf_len = 0; - unsigned char *m=NULL; - update_buflen(dsa_sig->r, &buf_len); - update_buflen(dsa_sig->s, &buf_len); - m = OPENSSL_malloc(buf_len+10); - if (m == NULL) - { - DSAerr(DSA_F_DSA_SIG_PRINT,ERR_R_MALLOC_FAILURE); - goto err; - } - - if (BIO_write(bp, "\n", 1) != 1) - goto err; - - if (!ASN1_bn_print(bp,"r: ",dsa_sig->r,m,indent)) - goto err; - if (!ASN1_bn_print(bp,"s: ",dsa_sig->s,m,indent)) - goto err; - rv = 1; - err: - if (m) - OPENSSL_free(m); - DSA_SIG_free(dsa_sig); - return rv; - } - return X509_signature_dump(bp, sig, indent); - } + const ASN1_STRING *sig, int indent, ASN1_PCTX *pctx) +{ + DSA_SIG *dsa_sig; + const unsigned char *p; + if (!sig) { + if (BIO_puts(bp, "\n") <= 0) + return 0; + else + return 1; + } + p = sig->data; + dsa_sig = d2i_DSA_SIG(NULL, &p, sig->length); + if (dsa_sig) { + int rv = 0; + size_t buf_len = 0; + unsigned char *m = NULL; + update_buflen(dsa_sig->r, &buf_len); + update_buflen(dsa_sig->s, &buf_len); + m = OPENSSL_malloc(buf_len + 10); + if (m == NULL) { + DSAerr(DSA_F_DSA_SIG_PRINT, ERR_R_MALLOC_FAILURE); + goto err; + } + + if (BIO_write(bp, "\n", 1) != 1) + goto err; + + if (!ASN1_bn_print(bp, "r: ", dsa_sig->r, m, indent)) + goto err; + if (!ASN1_bn_print(bp, "s: ", dsa_sig->s, m, indent)) + goto err; + rv = 1; + err: + if (m) + OPENSSL_free(m); + DSA_SIG_free(dsa_sig); + return rv; + } + return X509_signature_dump(bp, sig, indent); +} static int dsa_pkey_ctrl(EVP_PKEY *pkey, int op, long arg1, void *arg2) - { - switch (op) - { - case ASN1_PKEY_CTRL_PKCS7_SIGN: - if (arg1 == 0) - { - int snid, hnid; - X509_ALGOR *alg1, *alg2; - PKCS7_SIGNER_INFO_get0_algs(arg2, NULL, &alg1, &alg2); - if (alg1 == NULL || alg1->algorithm == NULL) - return -1; - hnid = OBJ_obj2nid(alg1->algorithm); - if (hnid == NID_undef) - return -1; - if (!OBJ_find_sigid_by_algs(&snid, hnid, EVP_PKEY_id(pkey))) - return -1; - X509_ALGOR_set0(alg2, OBJ_nid2obj(snid), V_ASN1_UNDEF, 0); - } - return 1; +{ + switch (op) { + case ASN1_PKEY_CTRL_PKCS7_SIGN: + if (arg1 == 0) { + int snid, hnid; + X509_ALGOR *alg1, *alg2; + PKCS7_SIGNER_INFO_get0_algs(arg2, NULL, &alg1, &alg2); + if (alg1 == NULL || alg1->algorithm == NULL) + return -1; + hnid = OBJ_obj2nid(alg1->algorithm); + if (hnid == NID_undef) + return -1; + if (!OBJ_find_sigid_by_algs(&snid, hnid, EVP_PKEY_id(pkey))) + return -1; + X509_ALGOR_set0(alg2, OBJ_nid2obj(snid), V_ASN1_UNDEF, 0); + } + return 1; #ifndef OPENSSL_NO_CMS - case ASN1_PKEY_CTRL_CMS_SIGN: - if (arg1 == 0) - { - int snid, hnid; - X509_ALGOR *alg1, *alg2; - CMS_SignerInfo_get0_algs(arg2, NULL, NULL, &alg1, &alg2); - if (alg1 == NULL || alg1->algorithm == NULL) - return -1; - hnid = OBJ_obj2nid(alg1->algorithm); - if (hnid == NID_undef) - return -1; - if (!OBJ_find_sigid_by_algs(&snid, hnid, EVP_PKEY_id(pkey))) - return -1; - X509_ALGOR_set0(alg2, OBJ_nid2obj(snid), V_ASN1_UNDEF, 0); - } - return 1; + case ASN1_PKEY_CTRL_CMS_SIGN: + if (arg1 == 0) { + int snid, hnid; + X509_ALGOR *alg1, *alg2; + CMS_SignerInfo_get0_algs(arg2, NULL, NULL, &alg1, &alg2); + if (alg1 == NULL || alg1->algorithm == NULL) + return -1; + hnid = OBJ_obj2nid(alg1->algorithm); + if (hnid == NID_undef) + return -1; + if (!OBJ_find_sigid_by_algs(&snid, hnid, EVP_PKEY_id(pkey))) + return -1; + X509_ALGOR_set0(alg2, OBJ_nid2obj(snid), V_ASN1_UNDEF, 0); + } + return 1; + + case ASN1_PKEY_CTRL_CMS_RI_TYPE: + *(int *)arg2 = CMS_RECIPINFO_NONE; + return 1; #endif - case ASN1_PKEY_CTRL_DEFAULT_MD_NID: - *(int *)arg2 = NID_sha1; - return 2; + case ASN1_PKEY_CTRL_DEFAULT_MD_NID: + *(int *)arg2 = NID_sha256; + return 2; - default: - return -2; + default: + return -2; - } + } - } +} /* NB these are sorted in pkey_id order, lowest first */ -const EVP_PKEY_ASN1_METHOD dsa_asn1_meths[] = - { - - { - EVP_PKEY_DSA2, - EVP_PKEY_DSA, - ASN1_PKEY_ALIAS - }, - - { - EVP_PKEY_DSA1, - EVP_PKEY_DSA, - ASN1_PKEY_ALIAS - }, - - { - EVP_PKEY_DSA4, - EVP_PKEY_DSA, - ASN1_PKEY_ALIAS - }, - - { - EVP_PKEY_DSA3, - EVP_PKEY_DSA, - ASN1_PKEY_ALIAS - }, - - { - EVP_PKEY_DSA, - EVP_PKEY_DSA, - 0, - - "DSA", - "OpenSSL DSA method", - - dsa_pub_decode, - dsa_pub_encode, - dsa_pub_cmp, - dsa_pub_print, - - dsa_priv_decode, - dsa_priv_encode, - dsa_priv_print, - - int_dsa_size, - dsa_bits, - - dsa_param_decode, - dsa_param_encode, - dsa_missing_parameters, - dsa_copy_parameters, - dsa_cmp_parameters, - dsa_param_print, - dsa_sig_print, - - int_dsa_free, - dsa_pkey_ctrl, - old_dsa_priv_decode, - old_dsa_priv_encode - } - }; +const EVP_PKEY_ASN1_METHOD dsa_asn1_meths[] = { + + { + EVP_PKEY_DSA2, + EVP_PKEY_DSA, + ASN1_PKEY_ALIAS}, + + { + EVP_PKEY_DSA1, + EVP_PKEY_DSA, + ASN1_PKEY_ALIAS}, + + { + EVP_PKEY_DSA4, + EVP_PKEY_DSA, + ASN1_PKEY_ALIAS}, + + { + EVP_PKEY_DSA3, + EVP_PKEY_DSA, + ASN1_PKEY_ALIAS}, + + { + EVP_PKEY_DSA, + EVP_PKEY_DSA, + 0, + + "DSA", + "OpenSSL DSA method", + + dsa_pub_decode, + dsa_pub_encode, + dsa_pub_cmp, + dsa_pub_print, + + dsa_priv_decode, + dsa_priv_encode, + dsa_priv_print, + + int_dsa_size, + dsa_bits, + + dsa_param_decode, + dsa_param_encode, + dsa_missing_parameters, + dsa_copy_parameters, + dsa_cmp_parameters, + dsa_param_print, + dsa_sig_print, + + int_dsa_free, + dsa_pkey_ctrl, + old_dsa_priv_decode, + old_dsa_priv_encode} +}; diff --git a/openssl/crypto/dsa/dsa_asn1.c b/openssl/crypto/dsa/dsa_asn1.c index 605853437..3283a2295 100644 --- a/openssl/crypto/dsa/dsa_asn1.c +++ b/openssl/crypto/dsa/dsa_asn1.c @@ -1,6 +1,7 @@ /* dsa_asn1.c */ -/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL - * project 2000. +/* + * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project + * 2000. */ /* ==================================================================== * Copyright (c) 2000-2005 The OpenSSL Project. All rights reserved. @@ -10,7 +11,7 @@ * are met: * * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. + * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in @@ -65,124 +66,137 @@ /* Override the default new methods */ static int sig_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, - void *exarg) + void *exarg) { - if(operation == ASN1_OP_NEW_PRE) { - DSA_SIG *sig; - sig = OPENSSL_malloc(sizeof(DSA_SIG)); - if (!sig) - { - DSAerr(DSA_F_SIG_CB, ERR_R_MALLOC_FAILURE); - return 0; - } - sig->r = NULL; - sig->s = NULL; - *pval = (ASN1_VALUE *)sig; - return 2; - } - return 1; + if (operation == ASN1_OP_NEW_PRE) { + DSA_SIG *sig; + sig = OPENSSL_malloc(sizeof(DSA_SIG)); + if (!sig) { + DSAerr(DSA_F_SIG_CB, ERR_R_MALLOC_FAILURE); + return 0; + } + sig->r = NULL; + sig->s = NULL; + *pval = (ASN1_VALUE *)sig; + return 2; + } + return 1; } ASN1_SEQUENCE_cb(DSA_SIG, sig_cb) = { - ASN1_SIMPLE(DSA_SIG, r, CBIGNUM), - ASN1_SIMPLE(DSA_SIG, s, CBIGNUM) + ASN1_SIMPLE(DSA_SIG, r, CBIGNUM), + ASN1_SIMPLE(DSA_SIG, s, CBIGNUM) } ASN1_SEQUENCE_END_cb(DSA_SIG, DSA_SIG) IMPLEMENT_ASN1_ENCODE_FUNCTIONS_const_fname(DSA_SIG, DSA_SIG, DSA_SIG) /* Override the default free and new methods */ static int dsa_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, - void *exarg) + void *exarg) { - if(operation == ASN1_OP_NEW_PRE) { - *pval = (ASN1_VALUE *)DSA_new(); - if(*pval) return 2; - return 0; - } else if(operation == ASN1_OP_FREE_PRE) { - DSA_free((DSA *)*pval); - *pval = NULL; - return 2; - } - return 1; + if (operation == ASN1_OP_NEW_PRE) { + *pval = (ASN1_VALUE *)DSA_new(); + if (*pval) + return 2; + return 0; + } else if (operation == ASN1_OP_FREE_PRE) { + DSA_free((DSA *)*pval); + *pval = NULL; + return 2; + } + return 1; } ASN1_SEQUENCE_cb(DSAPrivateKey, dsa_cb) = { - ASN1_SIMPLE(DSA, version, LONG), - ASN1_SIMPLE(DSA, p, BIGNUM), - ASN1_SIMPLE(DSA, q, BIGNUM), - ASN1_SIMPLE(DSA, g, BIGNUM), - ASN1_SIMPLE(DSA, pub_key, BIGNUM), - ASN1_SIMPLE(DSA, priv_key, BIGNUM) + ASN1_SIMPLE(DSA, version, LONG), + ASN1_SIMPLE(DSA, p, BIGNUM), + ASN1_SIMPLE(DSA, q, BIGNUM), + ASN1_SIMPLE(DSA, g, BIGNUM), + ASN1_SIMPLE(DSA, pub_key, BIGNUM), + ASN1_SIMPLE(DSA, priv_key, BIGNUM) } ASN1_SEQUENCE_END_cb(DSA, DSAPrivateKey) IMPLEMENT_ASN1_ENCODE_FUNCTIONS_const_fname(DSA, DSAPrivateKey, DSAPrivateKey) ASN1_SEQUENCE_cb(DSAparams, dsa_cb) = { - ASN1_SIMPLE(DSA, p, BIGNUM), - ASN1_SIMPLE(DSA, q, BIGNUM), - ASN1_SIMPLE(DSA, g, BIGNUM), + ASN1_SIMPLE(DSA, p, BIGNUM), + ASN1_SIMPLE(DSA, q, BIGNUM), + ASN1_SIMPLE(DSA, g, BIGNUM), } ASN1_SEQUENCE_END_cb(DSA, DSAparams) IMPLEMENT_ASN1_ENCODE_FUNCTIONS_const_fname(DSA, DSAparams, DSAparams) -/* DSA public key is a bit trickier... its effectively a CHOICE type - * decided by a field called write_params which can either write out - * just the public key as an INTEGER or the parameters and public key - * in a SEQUENCE +/* + * DSA public key is a bit trickier... its effectively a CHOICE type decided + * by a field called write_params which can either write out just the public + * key as an INTEGER or the parameters and public key in a SEQUENCE */ ASN1_SEQUENCE(dsa_pub_internal) = { - ASN1_SIMPLE(DSA, pub_key, BIGNUM), - ASN1_SIMPLE(DSA, p, BIGNUM), - ASN1_SIMPLE(DSA, q, BIGNUM), - ASN1_SIMPLE(DSA, g, BIGNUM) + ASN1_SIMPLE(DSA, pub_key, BIGNUM), + ASN1_SIMPLE(DSA, p, BIGNUM), + ASN1_SIMPLE(DSA, q, BIGNUM), + ASN1_SIMPLE(DSA, g, BIGNUM) } ASN1_SEQUENCE_END_name(DSA, dsa_pub_internal) ASN1_CHOICE_cb(DSAPublicKey, dsa_cb) = { - ASN1_SIMPLE(DSA, pub_key, BIGNUM), - ASN1_EX_COMBINE(0, 0, dsa_pub_internal) + ASN1_SIMPLE(DSA, pub_key, BIGNUM), + ASN1_EX_COMBINE(0, 0, dsa_pub_internal) } ASN1_CHOICE_END_cb(DSA, DSAPublicKey, write_params) IMPLEMENT_ASN1_ENCODE_FUNCTIONS_const_fname(DSA, DSAPublicKey, DSAPublicKey) DSA *DSAparams_dup(DSA *dsa) - { - return ASN1_item_dup(ASN1_ITEM_rptr(DSAparams), dsa); - } - -int DSA_sign(int type, const unsigned char *dgst, int dlen, unsigned char *sig, - unsigned int *siglen, DSA *dsa) - { - DSA_SIG *s; - RAND_seed(dgst, dlen); - s=DSA_do_sign(dgst,dlen,dsa); - if (s == NULL) - { - *siglen=0; - return(0); - } - *siglen=i2d_DSA_SIG(s,&sig); - DSA_SIG_free(s); - return(1); - } +{ + return ASN1_item_dup(ASN1_ITEM_rptr(DSAparams), dsa); +} + +int DSA_sign(int type, const unsigned char *dgst, int dlen, + unsigned char *sig, unsigned int *siglen, DSA *dsa) +{ + DSA_SIG *s; + RAND_seed(dgst, dlen); + s = DSA_do_sign(dgst, dlen, dsa); + if (s == NULL) { + *siglen = 0; + return (0); + } + *siglen = i2d_DSA_SIG(s, &sig); + DSA_SIG_free(s); + return (1); +} /* data has already been hashed (probably with SHA or SHA-1). */ -/* returns +/*- + * returns * 1: correct signature * 0: incorrect signature * -1: error */ int DSA_verify(int type, const unsigned char *dgst, int dgst_len, - const unsigned char *sigbuf, int siglen, DSA *dsa) - { - DSA_SIG *s; - int ret=-1; - - s = DSA_SIG_new(); - if (s == NULL) return(ret); - if (d2i_DSA_SIG(&s,&sigbuf,siglen) == NULL) goto err; - ret=DSA_do_verify(dgst,dgst_len,s,dsa); -err: - DSA_SIG_free(s); - return(ret); - } + const unsigned char *sigbuf, int siglen, DSA *dsa) +{ + DSA_SIG *s; + const unsigned char *p = sigbuf; + unsigned char *der = NULL; + int derlen = -1; + int ret = -1; + + s = DSA_SIG_new(); + if (s == NULL) + return (ret); + if (d2i_DSA_SIG(&s, &p, siglen) == NULL) + goto err; + /* Ensure signature uses DER and doesn't have trailing garbage */ + derlen = i2d_DSA_SIG(s, &der); + if (derlen != siglen || memcmp(sigbuf, der, derlen)) + goto err; + ret = DSA_do_verify(dgst, dgst_len, s, dsa); + err: + if (derlen > 0) { + OPENSSL_cleanse(der, derlen); + OPENSSL_free(der); + } + DSA_SIG_free(s); + return (ret); +} diff --git a/openssl/crypto/dsa/dsa_depr.c b/openssl/crypto/dsa/dsa_depr.c index f2da680eb..54f88bc44 100644 --- a/openssl/crypto/dsa/dsa_depr.c +++ b/openssl/crypto/dsa/dsa_depr.c @@ -7,7 +7,7 @@ * are met: * * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. + * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in @@ -53,54 +53,61 @@ * */ -/* This file contains deprecated function(s) that are now wrappers to the new - * version(s). */ +/* + * This file contains deprecated function(s) that are now wrappers to the new + * version(s). + */ #undef GENUINE_DSA #ifdef GENUINE_DSA -/* Parameter generation follows the original release of FIPS PUB 186, - * Appendix 2.2 (i.e. use SHA as defined in FIPS PUB 180) */ -#define HASH EVP_sha() +/* + * Parameter generation follows the original release of FIPS PUB 186, + * Appendix 2.2 (i.e. use SHA as defined in FIPS PUB 180) + */ +# define HASH EVP_sha() #else -/* Parameter generation follows the updated Appendix 2.2 for FIPS PUB 186, - * also Appendix 2.2 of FIPS PUB 186-1 (i.e. use SHA as defined in - * FIPS PUB 180-1) */ -#define HASH EVP_sha1() -#endif +/* + * Parameter generation follows the updated Appendix 2.2 for FIPS PUB 186, + * also Appendix 2.2 of FIPS PUB 186-1 (i.e. use SHA as defined in FIPS PUB + * 180-1) + */ +# define HASH EVP_sha1() +#endif -static void *dummy=&dummy; +static void *dummy = &dummy; #ifndef OPENSSL_NO_SHA -#include <stdio.h> -#include <time.h> -#include "cryptlib.h" -#include <openssl/evp.h> -#include <openssl/bn.h> -#include <openssl/dsa.h> -#include <openssl/rand.h> -#include <openssl/sha.h> +# include <stdio.h> +# include <time.h> +# include "cryptlib.h" +# include <openssl/evp.h> +# include <openssl/bn.h> +# include <openssl/dsa.h> +# include <openssl/rand.h> +# include <openssl/sha.h> -#ifndef OPENSSL_NO_DEPRECATED +# ifndef OPENSSL_NO_DEPRECATED DSA *DSA_generate_parameters(int bits, - unsigned char *seed_in, int seed_len, - int *counter_ret, unsigned long *h_ret, - void (*callback)(int, int, void *), - void *cb_arg) - { - BN_GENCB cb; - DSA *ret; + unsigned char *seed_in, int seed_len, + int *counter_ret, unsigned long *h_ret, + void (*callback) (int, int, void *), + void *cb_arg) +{ + BN_GENCB cb; + DSA *ret; - if ((ret=DSA_new()) == NULL) return NULL; + if ((ret = DSA_new()) == NULL) + return NULL; - BN_GENCB_set_old(&cb, callback, cb_arg); + BN_GENCB_set_old(&cb, callback, cb_arg); - if(DSA_generate_parameters_ex(ret, bits, seed_in, seed_len, - counter_ret, h_ret, &cb)) - return ret; - DSA_free(ret); - return NULL; - } -#endif + if (DSA_generate_parameters_ex(ret, bits, seed_in, seed_len, + counter_ret, h_ret, &cb)) + return ret; + DSA_free(ret); + return NULL; +} +# endif #endif diff --git a/openssl/crypto/dsa/dsa_err.c b/openssl/crypto/dsa/dsa_err.c index 00545b7b9..f5ddc66b8 100644 --- a/openssl/crypto/dsa/dsa_err.c +++ b/openssl/crypto/dsa/dsa_err.c @@ -1,13 +1,13 @@ /* crypto/dsa/dsa_err.c */ /* ==================================================================== - * Copyright (c) 1999-2011 The OpenSSL Project. All rights reserved. + * Copyright (c) 1999-2013 The OpenSSL Project. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. + * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in @@ -53,7 +53,8 @@ * */ -/* NOTE: this file was auto generated by the mkerr.pl script: any changes +/* + * NOTE: this file was auto generated by the mkerr.pl script: any changes * made to it will be overwritten when the script next updates this file, * only reason strings will be preserved. */ @@ -65,66 +66,68 @@ /* BEGIN ERROR CODES */ #ifndef OPENSSL_NO_ERR -#define ERR_FUNC(func) ERR_PACK(ERR_LIB_DSA,func,0) -#define ERR_REASON(reason) ERR_PACK(ERR_LIB_DSA,0,reason) +# define ERR_FUNC(func) ERR_PACK(ERR_LIB_DSA,func,0) +# define ERR_REASON(reason) ERR_PACK(ERR_LIB_DSA,0,reason) -static ERR_STRING_DATA DSA_str_functs[]= - { -{ERR_FUNC(DSA_F_D2I_DSA_SIG), "d2i_DSA_SIG"}, -{ERR_FUNC(DSA_F_DO_DSA_PRINT), "DO_DSA_PRINT"}, -{ERR_FUNC(DSA_F_DSAPARAMS_PRINT), "DSAparams_print"}, -{ERR_FUNC(DSA_F_DSAPARAMS_PRINT_FP), "DSAparams_print_fp"}, -{ERR_FUNC(DSA_F_DSA_DO_SIGN), "DSA_do_sign"}, -{ERR_FUNC(DSA_F_DSA_DO_VERIFY), "DSA_do_verify"}, -{ERR_FUNC(DSA_F_DSA_GENERATE_KEY), "DSA_generate_key"}, -{ERR_FUNC(DSA_F_DSA_GENERATE_PARAMETERS_EX), "DSA_generate_parameters_ex"}, -{ERR_FUNC(DSA_F_DSA_NEW_METHOD), "DSA_new_method"}, -{ERR_FUNC(DSA_F_DSA_PARAM_DECODE), "DSA_PARAM_DECODE"}, -{ERR_FUNC(DSA_F_DSA_PRINT_FP), "DSA_print_fp"}, -{ERR_FUNC(DSA_F_DSA_PRIV_DECODE), "DSA_PRIV_DECODE"}, -{ERR_FUNC(DSA_F_DSA_PRIV_ENCODE), "DSA_PRIV_ENCODE"}, -{ERR_FUNC(DSA_F_DSA_PUB_DECODE), "DSA_PUB_DECODE"}, -{ERR_FUNC(DSA_F_DSA_PUB_ENCODE), "DSA_PUB_ENCODE"}, -{ERR_FUNC(DSA_F_DSA_SIGN), "DSA_sign"}, -{ERR_FUNC(DSA_F_DSA_SIGN_SETUP), "DSA_sign_setup"}, -{ERR_FUNC(DSA_F_DSA_SIG_NEW), "DSA_SIG_new"}, -{ERR_FUNC(DSA_F_DSA_SIG_PRINT), "DSA_SIG_PRINT"}, -{ERR_FUNC(DSA_F_DSA_VERIFY), "DSA_verify"}, -{ERR_FUNC(DSA_F_I2D_DSA_SIG), "i2d_DSA_SIG"}, -{ERR_FUNC(DSA_F_OLD_DSA_PRIV_DECODE), "OLD_DSA_PRIV_DECODE"}, -{ERR_FUNC(DSA_F_PKEY_DSA_CTRL), "PKEY_DSA_CTRL"}, -{ERR_FUNC(DSA_F_PKEY_DSA_KEYGEN), "PKEY_DSA_KEYGEN"}, -{ERR_FUNC(DSA_F_SIG_CB), "SIG_CB"}, -{0,NULL} - }; +static ERR_STRING_DATA DSA_str_functs[] = { + {ERR_FUNC(DSA_F_D2I_DSA_SIG), "d2i_DSA_SIG"}, + {ERR_FUNC(DSA_F_DO_DSA_PRINT), "DO_DSA_PRINT"}, + {ERR_FUNC(DSA_F_DSAPARAMS_PRINT), "DSAparams_print"}, + {ERR_FUNC(DSA_F_DSAPARAMS_PRINT_FP), "DSAparams_print_fp"}, + {ERR_FUNC(DSA_F_DSA_BUILTIN_PARAMGEN2), "DSA_BUILTIN_PARAMGEN2"}, + {ERR_FUNC(DSA_F_DSA_DO_SIGN), "DSA_do_sign"}, + {ERR_FUNC(DSA_F_DSA_DO_VERIFY), "DSA_do_verify"}, + {ERR_FUNC(DSA_F_DSA_GENERATE_KEY), "DSA_generate_key"}, + {ERR_FUNC(DSA_F_DSA_GENERATE_PARAMETERS_EX), + "DSA_generate_parameters_ex"}, + {ERR_FUNC(DSA_F_DSA_NEW_METHOD), "DSA_new_method"}, + {ERR_FUNC(DSA_F_DSA_PARAM_DECODE), "DSA_PARAM_DECODE"}, + {ERR_FUNC(DSA_F_DSA_PRINT_FP), "DSA_print_fp"}, + {ERR_FUNC(DSA_F_DSA_PRIV_DECODE), "DSA_PRIV_DECODE"}, + {ERR_FUNC(DSA_F_DSA_PRIV_ENCODE), "DSA_PRIV_ENCODE"}, + {ERR_FUNC(DSA_F_DSA_PUB_DECODE), "DSA_PUB_DECODE"}, + {ERR_FUNC(DSA_F_DSA_PUB_ENCODE), "DSA_PUB_ENCODE"}, + {ERR_FUNC(DSA_F_DSA_SIGN), "DSA_sign"}, + {ERR_FUNC(DSA_F_DSA_SIGN_SETUP), "DSA_sign_setup"}, + {ERR_FUNC(DSA_F_DSA_SIG_NEW), "DSA_SIG_new"}, + {ERR_FUNC(DSA_F_DSA_SIG_PRINT), "DSA_SIG_PRINT"}, + {ERR_FUNC(DSA_F_DSA_VERIFY), "DSA_verify"}, + {ERR_FUNC(DSA_F_I2D_DSA_SIG), "i2d_DSA_SIG"}, + {ERR_FUNC(DSA_F_OLD_DSA_PRIV_DECODE), "OLD_DSA_PRIV_DECODE"}, + {ERR_FUNC(DSA_F_PKEY_DSA_CTRL), "PKEY_DSA_CTRL"}, + {ERR_FUNC(DSA_F_PKEY_DSA_KEYGEN), "PKEY_DSA_KEYGEN"}, + {ERR_FUNC(DSA_F_SIG_CB), "SIG_CB"}, + {0, NULL} +}; -static ERR_STRING_DATA DSA_str_reasons[]= - { -{ERR_REASON(DSA_R_BAD_Q_VALUE) ,"bad q value"}, -{ERR_REASON(DSA_R_BN_DECODE_ERROR) ,"bn decode error"}, -{ERR_REASON(DSA_R_BN_ERROR) ,"bn error"}, -{ERR_REASON(DSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE),"data too large for key size"}, -{ERR_REASON(DSA_R_DECODE_ERROR) ,"decode error"}, -{ERR_REASON(DSA_R_INVALID_DIGEST_TYPE) ,"invalid digest type"}, -{ERR_REASON(DSA_R_MISSING_PARAMETERS) ,"missing parameters"}, -{ERR_REASON(DSA_R_MODULUS_TOO_LARGE) ,"modulus too large"}, -{ERR_REASON(DSA_R_NEED_NEW_SETUP_VALUES) ,"need new setup values"}, -{ERR_REASON(DSA_R_NON_FIPS_DSA_METHOD) ,"non fips dsa method"}, -{ERR_REASON(DSA_R_NO_PARAMETERS_SET) ,"no parameters set"}, -{ERR_REASON(DSA_R_PARAMETER_ENCODING_ERROR),"parameter encoding error"}, -{0,NULL} - }; +static ERR_STRING_DATA DSA_str_reasons[] = { + {ERR_REASON(DSA_R_BAD_Q_VALUE), "bad q value"}, + {ERR_REASON(DSA_R_BN_DECODE_ERROR), "bn decode error"}, + {ERR_REASON(DSA_R_BN_ERROR), "bn error"}, + {ERR_REASON(DSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE), + "data too large for key size"}, + {ERR_REASON(DSA_R_DECODE_ERROR), "decode error"}, + {ERR_REASON(DSA_R_INVALID_DIGEST_TYPE), "invalid digest type"}, + {ERR_REASON(DSA_R_INVALID_PARAMETERS), "invalid parameters"}, + {ERR_REASON(DSA_R_MISSING_PARAMETERS), "missing parameters"}, + {ERR_REASON(DSA_R_MODULUS_TOO_LARGE), "modulus too large"}, + {ERR_REASON(DSA_R_NEED_NEW_SETUP_VALUES), "need new setup values"}, + {ERR_REASON(DSA_R_NON_FIPS_DSA_METHOD), "non fips dsa method"}, + {ERR_REASON(DSA_R_NO_PARAMETERS_SET), "no parameters set"}, + {ERR_REASON(DSA_R_PARAMETER_ENCODING_ERROR), "parameter encoding error"}, + {ERR_REASON(DSA_R_Q_NOT_PRIME), "q not prime"}, + {0, NULL} +}; #endif void ERR_load_DSA_strings(void) - { +{ #ifndef OPENSSL_NO_ERR - if (ERR_func_error_string(DSA_str_functs[0].error) == NULL) - { - ERR_load_strings(0,DSA_str_functs); - ERR_load_strings(0,DSA_str_reasons); - } + if (ERR_func_error_string(DSA_str_functs[0].error) == NULL) { + ERR_load_strings(0, DSA_str_functs); + ERR_load_strings(0, DSA_str_reasons); + } #endif - } +} diff --git a/openssl/crypto/dsa/dsa_gen.c b/openssl/crypto/dsa/dsa_gen.c index c398761d0..892003693 100644 --- a/openssl/crypto/dsa/dsa_gen.c +++ b/openssl/crypto/dsa/dsa_gen.c @@ -5,21 +5,21 @@ * This package is an SSL implementation written * by Eric Young (eay@cryptsoft.com). * The implementation was written so as to conform with Netscapes SSL. - * + * * This library is free for commercial and non-commercial use as long as * the following conditions are aheared to. The following conditions * apply to all code found in this distribution, be it the RC4, RSA, * lhash, DES, etc., code; not just the SSL code. The SSL documentation * included with this distribution is covered by the same copyright terms * except that the holder is Tim Hudson (tjh@cryptsoft.com). - * + * * Copyright remains Eric Young's, and as such any Copyright notices in * the code are not to be removed. * If this package is used in a product, Eric Young should be given attribution * as the author of the parts of the library used. * This can be in the form of a textual message at program startup or * in documentation (online or textual) provided with the package. - * + * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: @@ -34,10 +34,10 @@ * Eric Young (eay@cryptsoft.com)" * The word 'cryptographic' can be left out if the rouines from the library * being used are not cryptographic related :-). - * 4. If you include any Windows specific code (or a derivative thereof) from + * 4. If you include any Windows specific code (or a derivative thereof) from * the apps directory (application code) you must include an acknowledgement: * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" - * + * * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE @@ -49,7 +49,7 @@ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. - * + * * The licence and distribution terms for any publically available version or * derivative of this code cannot be changed. i.e. this code cannot simply be * copied and put under another distribution licence @@ -59,313 +59,696 @@ #undef GENUINE_DSA #ifdef GENUINE_DSA -/* Parameter generation follows the original release of FIPS PUB 186, - * Appendix 2.2 (i.e. use SHA as defined in FIPS PUB 180) */ -#define HASH EVP_sha() +/* + * Parameter generation follows the original release of FIPS PUB 186, + * Appendix 2.2 (i.e. use SHA as defined in FIPS PUB 180) + */ +# define HASH EVP_sha() #else -/* Parameter generation follows the updated Appendix 2.2 for FIPS PUB 186, - * also Appendix 2.2 of FIPS PUB 186-1 (i.e. use SHA as defined in - * FIPS PUB 180-1) */ -#define HASH EVP_sha1() -#endif +/* + * Parameter generation follows the updated Appendix 2.2 for FIPS PUB 186, + * also Appendix 2.2 of FIPS PUB 186-1 (i.e. use SHA as defined in FIPS PUB + * 180-1) + */ +# define HASH EVP_sha1() +#endif #include <openssl/opensslconf.h> /* To see if OPENSSL_NO_SHA is defined */ #ifndef OPENSSL_NO_SHA -#include <stdio.h> -#include "cryptlib.h" -#include <openssl/evp.h> -#include <openssl/bn.h> -#include <openssl/rand.h> -#include <openssl/sha.h> -#include "dsa_locl.h" +# include <stdio.h> +# include "cryptlib.h" +# include <openssl/evp.h> +# include <openssl/bn.h> +# include <openssl/rand.h> +# include <openssl/sha.h> +# include "dsa_locl.h" -#ifdef OPENSSL_FIPS -#include <openssl/fips.h> -#endif +# ifdef OPENSSL_FIPS +/* Workaround bug in prototype */ +# define fips_dsa_builtin_paramgen2 fips_dsa_paramgen_bad +# include <openssl/fips.h> +# endif int DSA_generate_parameters_ex(DSA *ret, int bits, - const unsigned char *seed_in, int seed_len, - int *counter_ret, unsigned long *h_ret, BN_GENCB *cb) - { -#ifdef OPENSSL_FIPS - if (FIPS_mode() && !(ret->meth->flags & DSA_FLAG_FIPS_METHOD) - && !(ret->flags & DSA_FLAG_NON_FIPS_ALLOW)) - { - DSAerr(DSA_F_DSA_GENERATE_PARAMETERS_EX, DSA_R_NON_FIPS_DSA_METHOD); - return 0; - } -#endif - if(ret->meth->dsa_paramgen) - return ret->meth->dsa_paramgen(ret, bits, seed_in, seed_len, - counter_ret, h_ret, cb); -#ifdef OPENSSL_FIPS - else if (FIPS_mode()) - { - return FIPS_dsa_generate_parameters_ex(ret, bits, - seed_in, seed_len, - counter_ret, h_ret, cb); - } -#endif - else - { - const EVP_MD *evpmd; - size_t qbits = bits >= 2048 ? 256 : 160; - - if (bits >= 2048) - { - qbits = 256; - evpmd = EVP_sha256(); - } - else - { - qbits = 160; - evpmd = EVP_sha1(); - } - - return dsa_builtin_paramgen(ret, bits, qbits, evpmd, - seed_in, seed_len, NULL, counter_ret, h_ret, cb); - } - } + const unsigned char *seed_in, int seed_len, + int *counter_ret, unsigned long *h_ret, + BN_GENCB *cb) +{ +# ifdef OPENSSL_FIPS + if (FIPS_mode() && !(ret->meth->flags & DSA_FLAG_FIPS_METHOD) + && !(ret->flags & DSA_FLAG_NON_FIPS_ALLOW)) { + DSAerr(DSA_F_DSA_GENERATE_PARAMETERS_EX, DSA_R_NON_FIPS_DSA_METHOD); + return 0; + } +# endif + if (ret->meth->dsa_paramgen) + return ret->meth->dsa_paramgen(ret, bits, seed_in, seed_len, + counter_ret, h_ret, cb); +# ifdef OPENSSL_FIPS + else if (FIPS_mode()) { + return FIPS_dsa_generate_parameters_ex(ret, bits, + seed_in, seed_len, + counter_ret, h_ret, cb); + } +# endif + else { + const EVP_MD *evpmd; + size_t qbits = bits >= 2048 ? 256 : 160; + + if (bits >= 2048) { + qbits = 256; + evpmd = EVP_sha256(); + } else { + qbits = 160; + evpmd = EVP_sha1(); + } + + return dsa_builtin_paramgen(ret, bits, qbits, evpmd, + seed_in, seed_len, NULL, counter_ret, + h_ret, cb); + } +} int dsa_builtin_paramgen(DSA *ret, size_t bits, size_t qbits, - const EVP_MD *evpmd, const unsigned char *seed_in, size_t seed_len, - unsigned char *seed_out, - int *counter_ret, unsigned long *h_ret, BN_GENCB *cb) - { - int ok=0; - unsigned char seed[SHA256_DIGEST_LENGTH]; - unsigned char md[SHA256_DIGEST_LENGTH]; - unsigned char buf[SHA256_DIGEST_LENGTH],buf2[SHA256_DIGEST_LENGTH]; - BIGNUM *r0,*W,*X,*c,*test; - BIGNUM *g=NULL,*q=NULL,*p=NULL; - BN_MONT_CTX *mont=NULL; - int i, k, n=0, m=0, qsize = qbits >> 3; - int counter=0; - int r=0; - BN_CTX *ctx=NULL; - unsigned int h=2; - - if (qsize != SHA_DIGEST_LENGTH && qsize != SHA224_DIGEST_LENGTH && - qsize != SHA256_DIGEST_LENGTH) - /* invalid q size */ - return 0; - - if (evpmd == NULL) - /* use SHA1 as default */ - evpmd = EVP_sha1(); - - if (bits < 512) - bits = 512; - - bits = (bits+63)/64*64; - - /* NB: seed_len == 0 is special case: copy generated seed to - * seed_in if it is not NULL. - */ - if (seed_len && (seed_len < (size_t)qsize)) - seed_in = NULL; /* seed buffer too small -- ignore */ - if (seed_len > (size_t)qsize) - seed_len = qsize; /* App. 2.2 of FIPS PUB 186 allows larger SEED, - * but our internal buffers are restricted to 160 bits*/ - if (seed_in != NULL) - memcpy(seed, seed_in, seed_len); - - if ((ctx=BN_CTX_new()) == NULL) - goto err; - - if ((mont=BN_MONT_CTX_new()) == NULL) - goto err; - - BN_CTX_start(ctx); - r0 = BN_CTX_get(ctx); - g = BN_CTX_get(ctx); - W = BN_CTX_get(ctx); - q = BN_CTX_get(ctx); - X = BN_CTX_get(ctx); - c = BN_CTX_get(ctx); - p = BN_CTX_get(ctx); - test = BN_CTX_get(ctx); - - if (!BN_lshift(test,BN_value_one(),bits-1)) - goto err; - - for (;;) - { - for (;;) /* find q */ - { - int seed_is_random; - - /* step 1 */ - if(!BN_GENCB_call(cb, 0, m++)) - goto err; - - if (!seed_len) - { - RAND_pseudo_bytes(seed, qsize); - seed_is_random = 1; - } - else - { - seed_is_random = 0; - seed_len=0; /* use random seed if 'seed_in' turns out to be bad*/ - } - memcpy(buf , seed, qsize); - memcpy(buf2, seed, qsize); - /* precompute "SEED + 1" for step 7: */ - for (i = qsize-1; i >= 0; i--) - { - buf[i]++; - if (buf[i] != 0) - break; - } - - /* step 2 */ - if (!EVP_Digest(seed, qsize, md, NULL, evpmd, NULL)) - goto err; - if (!EVP_Digest(buf, qsize, buf2, NULL, evpmd, NULL)) - goto err; - for (i = 0; i < qsize; i++) - md[i]^=buf2[i]; - - /* step 3 */ - md[0] |= 0x80; - md[qsize-1] |= 0x01; - if (!BN_bin2bn(md, qsize, q)) - goto err; - - /* step 4 */ - r = BN_is_prime_fasttest_ex(q, DSS_prime_checks, ctx, - seed_is_random, cb); - if (r > 0) - break; - if (r != 0) - goto err; - - /* do a callback call */ - /* step 5 */ - } - - if(!BN_GENCB_call(cb, 2, 0)) goto err; - if(!BN_GENCB_call(cb, 3, 0)) goto err; - - /* step 6 */ - counter=0; - /* "offset = 2" */ - - n=(bits-1)/160; - - for (;;) - { - if ((counter != 0) && !BN_GENCB_call(cb, 0, counter)) - goto err; - - /* step 7 */ - BN_zero(W); - /* now 'buf' contains "SEED + offset - 1" */ - for (k=0; k<=n; k++) - { - /* obtain "SEED + offset + k" by incrementing: */ - for (i = qsize-1; i >= 0; i--) - { - buf[i]++; - if (buf[i] != 0) - break; - } - - if (!EVP_Digest(buf, qsize, md ,NULL, evpmd, - NULL)) - goto err; - - /* step 8 */ - if (!BN_bin2bn(md, qsize, r0)) - goto err; - if (!BN_lshift(r0,r0,(qsize << 3)*k)) goto err; - if (!BN_add(W,W,r0)) goto err; - } - - /* more of step 8 */ - if (!BN_mask_bits(W,bits-1)) goto err; - if (!BN_copy(X,W)) goto err; - if (!BN_add(X,X,test)) goto err; - - /* step 9 */ - if (!BN_lshift1(r0,q)) goto err; - if (!BN_mod(c,X,r0,ctx)) goto err; - if (!BN_sub(r0,c,BN_value_one())) goto err; - if (!BN_sub(p,X,r0)) goto err; - - /* step 10 */ - if (BN_cmp(p,test) >= 0) - { - /* step 11 */ - r = BN_is_prime_fasttest_ex(p, DSS_prime_checks, - ctx, 1, cb); - if (r > 0) - goto end; /* found it */ - if (r != 0) - goto err; - } - - /* step 13 */ - counter++; - /* "offset = offset + n + 1" */ - - /* step 14 */ - if (counter >= 4096) break; - } - } -end: - if(!BN_GENCB_call(cb, 2, 1)) - goto err; - - /* We now need to generate g */ - /* Set r0=(p-1)/q */ - if (!BN_sub(test,p,BN_value_one())) goto err; - if (!BN_div(r0,NULL,test,q,ctx)) goto err; - - if (!BN_set_word(test,h)) goto err; - if (!BN_MONT_CTX_set(mont,p,ctx)) goto err; - - for (;;) - { - /* g=test^r0%p */ - if (!BN_mod_exp_mont(g,test,r0,p,ctx,mont)) goto err; - if (!BN_is_one(g)) break; - if (!BN_add(test,test,BN_value_one())) goto err; - h++; - } - - if(!BN_GENCB_call(cb, 3, 1)) - goto err; - - ok=1; -err: - if (ok) - { - if(ret->p) BN_free(ret->p); - if(ret->q) BN_free(ret->q); - if(ret->g) BN_free(ret->g); - ret->p=BN_dup(p); - ret->q=BN_dup(q); - ret->g=BN_dup(g); - if (ret->p == NULL || ret->q == NULL || ret->g == NULL) - { - ok=0; - goto err; - } - if (counter_ret != NULL) *counter_ret=counter; - if (h_ret != NULL) *h_ret=h; - if (seed_out) - memcpy(seed_out, seed, qsize); - } - if(ctx) - { - BN_CTX_end(ctx); - BN_CTX_free(ctx); - } - if (mont != NULL) BN_MONT_CTX_free(mont); - return ok; - } + const EVP_MD *evpmd, const unsigned char *seed_in, + size_t seed_len, unsigned char *seed_out, + int *counter_ret, unsigned long *h_ret, BN_GENCB *cb) +{ + int ok = 0; + unsigned char seed[SHA256_DIGEST_LENGTH]; + unsigned char md[SHA256_DIGEST_LENGTH]; + unsigned char buf[SHA256_DIGEST_LENGTH], buf2[SHA256_DIGEST_LENGTH]; + BIGNUM *r0, *W, *X, *c, *test; + BIGNUM *g = NULL, *q = NULL, *p = NULL; + BN_MONT_CTX *mont = NULL; + int i, k, n = 0, m = 0, qsize = qbits >> 3; + int counter = 0; + int r = 0; + BN_CTX *ctx = NULL; + unsigned int h = 2; + + if (qsize != SHA_DIGEST_LENGTH && qsize != SHA224_DIGEST_LENGTH && + qsize != SHA256_DIGEST_LENGTH) + /* invalid q size */ + return 0; + + if (evpmd == NULL) + /* use SHA1 as default */ + evpmd = EVP_sha1(); + + if (bits < 512) + bits = 512; + + bits = (bits + 63) / 64 * 64; + + /* + * NB: seed_len == 0 is special case: copy generated seed to seed_in if + * it is not NULL. + */ + if (seed_len && (seed_len < (size_t)qsize)) + seed_in = NULL; /* seed buffer too small -- ignore */ + if (seed_len > (size_t)qsize) + seed_len = qsize; /* App. 2.2 of FIPS PUB 186 allows larger + * SEED, but our internal buffers are + * restricted to 160 bits */ + if (seed_in != NULL) + memcpy(seed, seed_in, seed_len); + + if ((ctx = BN_CTX_new()) == NULL) + goto err; + + if ((mont = BN_MONT_CTX_new()) == NULL) + goto err; + + BN_CTX_start(ctx); + r0 = BN_CTX_get(ctx); + g = BN_CTX_get(ctx); + W = BN_CTX_get(ctx); + q = BN_CTX_get(ctx); + X = BN_CTX_get(ctx); + c = BN_CTX_get(ctx); + p = BN_CTX_get(ctx); + test = BN_CTX_get(ctx); + + if (!BN_lshift(test, BN_value_one(), bits - 1)) + goto err; + + for (;;) { + for (;;) { /* find q */ + int seed_is_random; + + /* step 1 */ + if (!BN_GENCB_call(cb, 0, m++)) + goto err; + + if (!seed_len) { + RAND_pseudo_bytes(seed, qsize); + seed_is_random = 1; + } else { + seed_is_random = 0; + seed_len = 0; /* use random seed if 'seed_in' turns out to + * be bad */ + } + memcpy(buf, seed, qsize); + memcpy(buf2, seed, qsize); + /* precompute "SEED + 1" for step 7: */ + for (i = qsize - 1; i >= 0; i--) { + buf[i]++; + if (buf[i] != 0) + break; + } + + /* step 2 */ + if (!EVP_Digest(seed, qsize, md, NULL, evpmd, NULL)) + goto err; + if (!EVP_Digest(buf, qsize, buf2, NULL, evpmd, NULL)) + goto err; + for (i = 0; i < qsize; i++) + md[i] ^= buf2[i]; + + /* step 3 */ + md[0] |= 0x80; + md[qsize - 1] |= 0x01; + if (!BN_bin2bn(md, qsize, q)) + goto err; + + /* step 4 */ + r = BN_is_prime_fasttest_ex(q, DSS_prime_checks, ctx, + seed_is_random, cb); + if (r > 0) + break; + if (r != 0) + goto err; + + /* do a callback call */ + /* step 5 */ + } + + if (!BN_GENCB_call(cb, 2, 0)) + goto err; + if (!BN_GENCB_call(cb, 3, 0)) + goto err; + + /* step 6 */ + counter = 0; + /* "offset = 2" */ + + n = (bits - 1) / 160; + + for (;;) { + if ((counter != 0) && !BN_GENCB_call(cb, 0, counter)) + goto err; + + /* step 7 */ + BN_zero(W); + /* now 'buf' contains "SEED + offset - 1" */ + for (k = 0; k <= n; k++) { + /* + * obtain "SEED + offset + k" by incrementing: + */ + for (i = qsize - 1; i >= 0; i--) { + buf[i]++; + if (buf[i] != 0) + break; + } + + if (!EVP_Digest(buf, qsize, md, NULL, evpmd, NULL)) + goto err; + + /* step 8 */ + if (!BN_bin2bn(md, qsize, r0)) + goto err; + if (!BN_lshift(r0, r0, (qsize << 3) * k)) + goto err; + if (!BN_add(W, W, r0)) + goto err; + } + + /* more of step 8 */ + if (!BN_mask_bits(W, bits - 1)) + goto err; + if (!BN_copy(X, W)) + goto err; + if (!BN_add(X, X, test)) + goto err; + + /* step 9 */ + if (!BN_lshift1(r0, q)) + goto err; + if (!BN_mod(c, X, r0, ctx)) + goto err; + if (!BN_sub(r0, c, BN_value_one())) + goto err; + if (!BN_sub(p, X, r0)) + goto err; + + /* step 10 */ + if (BN_cmp(p, test) >= 0) { + /* step 11 */ + r = BN_is_prime_fasttest_ex(p, DSS_prime_checks, ctx, 1, cb); + if (r > 0) + goto end; /* found it */ + if (r != 0) + goto err; + } + + /* step 13 */ + counter++; + /* "offset = offset + n + 1" */ + + /* step 14 */ + if (counter >= 4096) + break; + } + } + end: + if (!BN_GENCB_call(cb, 2, 1)) + goto err; + + /* We now need to generate g */ + /* Set r0=(p-1)/q */ + if (!BN_sub(test, p, BN_value_one())) + goto err; + if (!BN_div(r0, NULL, test, q, ctx)) + goto err; + + if (!BN_set_word(test, h)) + goto err; + if (!BN_MONT_CTX_set(mont, p, ctx)) + goto err; + + for (;;) { + /* g=test^r0%p */ + if (!BN_mod_exp_mont(g, test, r0, p, ctx, mont)) + goto err; + if (!BN_is_one(g)) + break; + if (!BN_add(test, test, BN_value_one())) + goto err; + h++; + } + + if (!BN_GENCB_call(cb, 3, 1)) + goto err; + + ok = 1; + err: + if (ok) { + if (ret->p) + BN_free(ret->p); + if (ret->q) + BN_free(ret->q); + if (ret->g) + BN_free(ret->g); + ret->p = BN_dup(p); + ret->q = BN_dup(q); + ret->g = BN_dup(g); + if (ret->p == NULL || ret->q == NULL || ret->g == NULL) { + ok = 0; + goto err; + } + if (counter_ret != NULL) + *counter_ret = counter; + if (h_ret != NULL) + *h_ret = h; + if (seed_out) + memcpy(seed_out, seed, qsize); + } + if (ctx) { + BN_CTX_end(ctx); + BN_CTX_free(ctx); + } + if (mont != NULL) + BN_MONT_CTX_free(mont); + return ok; +} + +# ifdef OPENSSL_FIPS +# undef fips_dsa_builtin_paramgen2 +extern int fips_dsa_builtin_paramgen2(DSA *ret, size_t L, size_t N, + const EVP_MD *evpmd, + const unsigned char *seed_in, + size_t seed_len, int idx, + unsigned char *seed_out, + int *counter_ret, unsigned long *h_ret, + BN_GENCB *cb); +# endif + +/* + * This is a parameter generation algorithm for the DSA2 algorithm as + * described in FIPS 186-3. + */ + +int dsa_builtin_paramgen2(DSA *ret, size_t L, size_t N, + const EVP_MD *evpmd, const unsigned char *seed_in, + size_t seed_len, int idx, unsigned char *seed_out, + int *counter_ret, unsigned long *h_ret, + BN_GENCB *cb) +{ + int ok = -1; + unsigned char *seed = NULL, *seed_tmp = NULL; + unsigned char md[EVP_MAX_MD_SIZE]; + int mdsize; + BIGNUM *r0, *W, *X, *c, *test; + BIGNUM *g = NULL, *q = NULL, *p = NULL; + BN_MONT_CTX *mont = NULL; + int i, k, n = 0, m = 0, qsize = N >> 3; + int counter = 0; + int r = 0; + BN_CTX *ctx = NULL; + EVP_MD_CTX mctx; + unsigned int h = 2; + +# ifdef OPENSSL_FIPS + + if (FIPS_mode()) + return fips_dsa_builtin_paramgen2(ret, L, N, evpmd, + seed_in, seed_len, idx, + seed_out, counter_ret, h_ret, cb); +# endif + + EVP_MD_CTX_init(&mctx); + + if (evpmd == NULL) { + if (N == 160) + evpmd = EVP_sha1(); + else if (N == 224) + evpmd = EVP_sha224(); + else + evpmd = EVP_sha256(); + } + + mdsize = EVP_MD_size(evpmd); + /* If unverificable g generation only don't need seed */ + if (!ret->p || !ret->q || idx >= 0) { + if (seed_len == 0) + seed_len = mdsize; + + seed = OPENSSL_malloc(seed_len); + + if (seed_out) + seed_tmp = seed_out; + else + seed_tmp = OPENSSL_malloc(seed_len); + + if (!seed || !seed_tmp) + goto err; + + if (seed_in) + memcpy(seed, seed_in, seed_len); + + } + + if ((ctx = BN_CTX_new()) == NULL) + goto err; + + if ((mont = BN_MONT_CTX_new()) == NULL) + goto err; + + BN_CTX_start(ctx); + r0 = BN_CTX_get(ctx); + g = BN_CTX_get(ctx); + W = BN_CTX_get(ctx); + X = BN_CTX_get(ctx); + c = BN_CTX_get(ctx); + test = BN_CTX_get(ctx); + + /* if p, q already supplied generate g only */ + if (ret->p && ret->q) { + p = ret->p; + q = ret->q; + if (idx >= 0) + memcpy(seed_tmp, seed, seed_len); + goto g_only; + } else { + p = BN_CTX_get(ctx); + q = BN_CTX_get(ctx); + } + + if (!BN_lshift(test, BN_value_one(), L - 1)) + goto err; + for (;;) { + for (;;) { /* find q */ + unsigned char *pmd; + /* step 1 */ + if (!BN_GENCB_call(cb, 0, m++)) + goto err; + + if (!seed_in) { + if (RAND_pseudo_bytes(seed, seed_len) < 0) + goto err; + } + /* step 2 */ + if (!EVP_Digest(seed, seed_len, md, NULL, evpmd, NULL)) + goto err; + /* Take least significant bits of md */ + if (mdsize > qsize) + pmd = md + mdsize - qsize; + else + pmd = md; + + if (mdsize < qsize) + memset(md + mdsize, 0, qsize - mdsize); + + /* step 3 */ + pmd[0] |= 0x80; + pmd[qsize - 1] |= 0x01; + if (!BN_bin2bn(pmd, qsize, q)) + goto err; + + /* step 4 */ + r = BN_is_prime_fasttest_ex(q, DSS_prime_checks, ctx, + seed_in ? 1 : 0, cb); + if (r > 0) + break; + if (r != 0) + goto err; + /* Provided seed didn't produce a prime: error */ + if (seed_in) { + ok = 0; + DSAerr(DSA_F_DSA_BUILTIN_PARAMGEN2, DSA_R_Q_NOT_PRIME); + goto err; + } + + /* do a callback call */ + /* step 5 */ + } + /* Copy seed to seed_out before we mess with it */ + if (seed_out) + memcpy(seed_out, seed, seed_len); + + if (!BN_GENCB_call(cb, 2, 0)) + goto err; + if (!BN_GENCB_call(cb, 3, 0)) + goto err; + + /* step 6 */ + counter = 0; + /* "offset = 1" */ + + n = (L - 1) / (mdsize << 3); + + for (;;) { + if ((counter != 0) && !BN_GENCB_call(cb, 0, counter)) + goto err; + + /* step 7 */ + BN_zero(W); + /* now 'buf' contains "SEED + offset - 1" */ + for (k = 0; k <= n; k++) { + /* + * obtain "SEED + offset + k" by incrementing: + */ + for (i = seed_len - 1; i >= 0; i--) { + seed[i]++; + if (seed[i] != 0) + break; + } + + if (!EVP_Digest(seed, seed_len, md, NULL, evpmd, NULL)) + goto err; + + /* step 8 */ + if (!BN_bin2bn(md, mdsize, r0)) + goto err; + if (!BN_lshift(r0, r0, (mdsize << 3) * k)) + goto err; + if (!BN_add(W, W, r0)) + goto err; + } + + /* more of step 8 */ + if (!BN_mask_bits(W, L - 1)) + goto err; + if (!BN_copy(X, W)) + goto err; + if (!BN_add(X, X, test)) + goto err; + + /* step 9 */ + if (!BN_lshift1(r0, q)) + goto err; + if (!BN_mod(c, X, r0, ctx)) + goto err; + if (!BN_sub(r0, c, BN_value_one())) + goto err; + if (!BN_sub(p, X, r0)) + goto err; + + /* step 10 */ + if (BN_cmp(p, test) >= 0) { + /* step 11 */ + r = BN_is_prime_fasttest_ex(p, DSS_prime_checks, ctx, 1, cb); + if (r > 0) + goto end; /* found it */ + if (r != 0) + goto err; + } + + /* step 13 */ + counter++; + /* "offset = offset + n + 1" */ + + /* step 14 */ + if (counter >= (int)(4 * L)) + break; + } + if (seed_in) { + ok = 0; + DSAerr(DSA_F_DSA_BUILTIN_PARAMGEN2, DSA_R_INVALID_PARAMETERS); + goto err; + } + } + end: + if (!BN_GENCB_call(cb, 2, 1)) + goto err; + + g_only: + + /* We now need to generate g */ + /* Set r0=(p-1)/q */ + if (!BN_sub(test, p, BN_value_one())) + goto err; + if (!BN_div(r0, NULL, test, q, ctx)) + goto err; + + if (idx < 0) { + if (!BN_set_word(test, h)) + goto err; + } else + h = 1; + if (!BN_MONT_CTX_set(mont, p, ctx)) + goto err; + + for (;;) { + static const unsigned char ggen[4] = { 0x67, 0x67, 0x65, 0x6e }; + if (idx >= 0) { + md[0] = idx & 0xff; + md[1] = (h >> 8) & 0xff; + md[2] = h & 0xff; + if (!EVP_DigestInit_ex(&mctx, evpmd, NULL)) + goto err; + if (!EVP_DigestUpdate(&mctx, seed_tmp, seed_len)) + goto err; + if (!EVP_DigestUpdate(&mctx, ggen, sizeof(ggen))) + goto err; + if (!EVP_DigestUpdate(&mctx, md, 3)) + goto err; + if (!EVP_DigestFinal_ex(&mctx, md, NULL)) + goto err; + if (!BN_bin2bn(md, mdsize, test)) + goto err; + } + /* g=test^r0%p */ + if (!BN_mod_exp_mont(g, test, r0, p, ctx, mont)) + goto err; + if (!BN_is_one(g)) + break; + if (idx < 0 && !BN_add(test, test, BN_value_one())) + goto err; + h++; + if (idx >= 0 && h > 0xffff) + goto err; + } + + if (!BN_GENCB_call(cb, 3, 1)) + goto err; + + ok = 1; + err: + if (ok == 1) { + if (p != ret->p) { + if (ret->p) + BN_free(ret->p); + ret->p = BN_dup(p); + } + if (q != ret->q) { + if (ret->q) + BN_free(ret->q); + ret->q = BN_dup(q); + } + if (ret->g) + BN_free(ret->g); + ret->g = BN_dup(g); + if (ret->p == NULL || ret->q == NULL || ret->g == NULL) { + ok = -1; + goto err; + } + if (counter_ret != NULL) + *counter_ret = counter; + if (h_ret != NULL) + *h_ret = h; + } + if (seed) + OPENSSL_free(seed); + if (seed_out != seed_tmp) + OPENSSL_free(seed_tmp); + if (ctx) { + BN_CTX_end(ctx); + BN_CTX_free(ctx); + } + if (mont != NULL) + BN_MONT_CTX_free(mont); + EVP_MD_CTX_cleanup(&mctx); + return ok; +} + +int dsa_paramgen_check_g(DSA *dsa) +{ + BN_CTX *ctx; + BIGNUM *tmp; + BN_MONT_CTX *mont = NULL; + int rv = -1; + ctx = BN_CTX_new(); + if (!ctx) + return -1; + BN_CTX_start(ctx); + if (BN_cmp(dsa->g, BN_value_one()) <= 0) + return 0; + if (BN_cmp(dsa->g, dsa->p) >= 0) + return 0; + tmp = BN_CTX_get(ctx); + if (!tmp) + goto err; + if ((mont = BN_MONT_CTX_new()) == NULL) + goto err; + if (!BN_MONT_CTX_set(mont, dsa->p, ctx)) + goto err; + /* Work out g^q mod p */ + if (!BN_mod_exp_mont(tmp, dsa->g, dsa->q, dsa->p, ctx, mont)) + goto err; + if (!BN_cmp(tmp, BN_value_one())) + rv = 1; + else + rv = 0; + err: + BN_CTX_end(ctx); + if (mont) + BN_MONT_CTX_free(mont); + BN_CTX_free(ctx); + return rv; + +} #endif diff --git a/openssl/crypto/dsa/dsa_key.c b/openssl/crypto/dsa/dsa_key.c index 9cf669b92..e8c8d2e6a 100644 --- a/openssl/crypto/dsa/dsa_key.c +++ b/openssl/crypto/dsa/dsa_key.c @@ -5,21 +5,21 @@ * This package is an SSL implementation written * by Eric Young (eay@cryptsoft.com). * The implementation was written so as to conform with Netscapes SSL. - * + * * This library is free for commercial and non-commercial use as long as * the following conditions are aheared to. The following conditions * apply to all code found in this distribution, be it the RC4, RSA, * lhash, DES, etc., code; not just the SSL code. The SSL documentation * included with this distribution is covered by the same copyright terms * except that the holder is Tim Hudson (tjh@cryptsoft.com). - * + * * Copyright remains Eric Young's, and as such any Copyright notices in * the code are not to be removed. * If this package is used in a product, Eric Young should be given attribution * as the author of the parts of the library used. * This can be in the form of a textual message at program startup or * in documentation (online or textual) provided with the package. - * + * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: @@ -34,10 +34,10 @@ * Eric Young (eay@cryptsoft.com)" * The word 'cryptographic' can be left out if the rouines from the library * being used are not cryptographic related :-). - * 4. If you include any Windows specific code (or a derivative thereof) from + * 4. If you include any Windows specific code (or a derivative thereof) from * the apps directory (application code) you must include an acknowledgement: * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" - * + * * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE @@ -49,7 +49,7 @@ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. - * + * * The licence and distribution terms for any publically available version or * derivative of this code cannot be changed. i.e. this code cannot simply be * copied and put under another distribution licence @@ -60,85 +60,86 @@ #include <time.h> #include "cryptlib.h" #ifndef OPENSSL_NO_SHA -#include <openssl/bn.h> -#include <openssl/dsa.h> -#include <openssl/rand.h> +# include <openssl/bn.h> +# include <openssl/dsa.h> +# include <openssl/rand.h> -#ifdef OPENSSL_FIPS -#include <openssl/fips.h> -#endif +# ifdef OPENSSL_FIPS +# include <openssl/fips.h> +# endif static int dsa_builtin_keygen(DSA *dsa); int DSA_generate_key(DSA *dsa) - { -#ifdef OPENSSL_FIPS - if (FIPS_mode() && !(dsa->meth->flags & DSA_FLAG_FIPS_METHOD) - && !(dsa->flags & DSA_FLAG_NON_FIPS_ALLOW)) - { - DSAerr(DSA_F_DSA_GENERATE_KEY, DSA_R_NON_FIPS_DSA_METHOD); - return 0; - } -#endif - if(dsa->meth->dsa_keygen) - return dsa->meth->dsa_keygen(dsa); -#ifdef OPENSSL_FIPS - if (FIPS_mode()) - return FIPS_dsa_generate_key(dsa); -#endif - return dsa_builtin_keygen(dsa); - } +{ +# ifdef OPENSSL_FIPS + if (FIPS_mode() && !(dsa->meth->flags & DSA_FLAG_FIPS_METHOD) + && !(dsa->flags & DSA_FLAG_NON_FIPS_ALLOW)) { + DSAerr(DSA_F_DSA_GENERATE_KEY, DSA_R_NON_FIPS_DSA_METHOD); + return 0; + } +# endif + if (dsa->meth->dsa_keygen) + return dsa->meth->dsa_keygen(dsa); +# ifdef OPENSSL_FIPS + if (FIPS_mode()) + return FIPS_dsa_generate_key(dsa); +# endif + return dsa_builtin_keygen(dsa); +} static int dsa_builtin_keygen(DSA *dsa) - { - int ok=0; - BN_CTX *ctx=NULL; - BIGNUM *pub_key=NULL,*priv_key=NULL; +{ + int ok = 0; + BN_CTX *ctx = NULL; + BIGNUM *pub_key = NULL, *priv_key = NULL; + + if ((ctx = BN_CTX_new()) == NULL) + goto err; - if ((ctx=BN_CTX_new()) == NULL) goto err; + if (dsa->priv_key == NULL) { + if ((priv_key = BN_new()) == NULL) + goto err; + } else + priv_key = dsa->priv_key; - if (dsa->priv_key == NULL) - { - if ((priv_key=BN_new()) == NULL) goto err; - } - else - priv_key=dsa->priv_key; + do + if (!BN_rand_range(priv_key, dsa->q)) + goto err; + while (BN_is_zero(priv_key)) ; - do - if (!BN_rand_range(priv_key,dsa->q)) goto err; - while (BN_is_zero(priv_key)); + if (dsa->pub_key == NULL) { + if ((pub_key = BN_new()) == NULL) + goto err; + } else + pub_key = dsa->pub_key; - if (dsa->pub_key == NULL) - { - if ((pub_key=BN_new()) == NULL) goto err; - } - else - pub_key=dsa->pub_key; - - { - BIGNUM local_prk; - BIGNUM *prk; + { + BIGNUM local_prk; + BIGNUM *prk; - if ((dsa->flags & DSA_FLAG_NO_EXP_CONSTTIME) == 0) - { - BN_init(&local_prk); - prk = &local_prk; - BN_with_flags(prk, priv_key, BN_FLG_CONSTTIME); - } - else - prk = priv_key; + if ((dsa->flags & DSA_FLAG_NO_EXP_CONSTTIME) == 0) { + BN_init(&local_prk); + prk = &local_prk; + BN_with_flags(prk, priv_key, BN_FLG_CONSTTIME); + } else + prk = priv_key; - if (!BN_mod_exp(pub_key,dsa->g,prk,dsa->p,ctx)) goto err; - } + if (!BN_mod_exp(pub_key, dsa->g, prk, dsa->p, ctx)) + goto err; + } - dsa->priv_key=priv_key; - dsa->pub_key=pub_key; - ok=1; + dsa->priv_key = priv_key; + dsa->pub_key = pub_key; + ok = 1; -err: - if ((pub_key != NULL) && (dsa->pub_key == NULL)) BN_free(pub_key); - if ((priv_key != NULL) && (dsa->priv_key == NULL)) BN_free(priv_key); - if (ctx != NULL) BN_CTX_free(ctx); - return(ok); - } + err: + if ((pub_key != NULL) && (dsa->pub_key == NULL)) + BN_free(pub_key); + if ((priv_key != NULL) && (dsa->priv_key == NULL)) + BN_free(priv_key); + if (ctx != NULL) + BN_CTX_free(ctx); + return (ok); +} #endif diff --git a/openssl/crypto/dsa/dsa_lib.c b/openssl/crypto/dsa/dsa_lib.c index 96d8d0c4b..eb9d21d9a 100644 --- a/openssl/crypto/dsa/dsa_lib.c +++ b/openssl/crypto/dsa/dsa_lib.c @@ -5,21 +5,21 @@ * This package is an SSL implementation written * by Eric Young (eay@cryptsoft.com). * The implementation was written so as to conform with Netscapes SSL. - * + * * This library is free for commercial and non-commercial use as long as * the following conditions are aheared to. The following conditions * apply to all code found in this distribution, be it the RC4, RSA, * lhash, DES, etc., code; not just the SSL code. The SSL documentation * included with this distribution is covered by the same copyright terms * except that the holder is Tim Hudson (tjh@cryptsoft.com). - * + * * Copyright remains Eric Young's, and as such any Copyright notices in * the code are not to be removed. * If this package is used in a product, Eric Young should be given attribution * as the author of the parts of the library used. * This can be in the form of a textual message at program startup or * in documentation (online or textual) provided with the package. - * + * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: @@ -34,10 +34,10 @@ * Eric Young (eay@cryptsoft.com)" * The word 'cryptographic' can be left out if the rouines from the library * being used are not cryptographic related :-). - * 4. If you include any Windows specific code (or a derivative thereof) from + * 4. If you include any Windows specific code (or a derivative thereof) from * the apps directory (application code) you must include an acknowledgement: * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" - * + * * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE @@ -49,7 +49,7 @@ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. - * + * * The licence and distribution terms for any publically available version or * derivative of this code cannot be changed. i.e. this code cannot simply be * copied and put under another distribution licence @@ -64,266 +64,266 @@ #include <openssl/dsa.h> #include <openssl/asn1.h> #ifndef OPENSSL_NO_ENGINE -#include <openssl/engine.h> +# include <openssl/engine.h> #endif #ifndef OPENSSL_NO_DH -#include <openssl/dh.h> +# include <openssl/dh.h> #endif #ifdef OPENSSL_FIPS -#include <openssl/fips.h> +# include <openssl/fips.h> #endif -const char DSA_version[]="DSA" OPENSSL_VERSION_PTEXT; +const char DSA_version[] = "DSA" OPENSSL_VERSION_PTEXT; static const DSA_METHOD *default_DSA_method = NULL; void DSA_set_default_method(const DSA_METHOD *meth) - { - default_DSA_method = meth; - } +{ + default_DSA_method = meth; +} const DSA_METHOD *DSA_get_default_method(void) - { - if(!default_DSA_method) - { +{ + if (!default_DSA_method) { #ifdef OPENSSL_FIPS - if (FIPS_mode()) - return FIPS_dsa_openssl(); - else - return DSA_OpenSSL(); + if (FIPS_mode()) + return FIPS_dsa_openssl(); + else + return DSA_OpenSSL(); #else - default_DSA_method = DSA_OpenSSL(); + default_DSA_method = DSA_OpenSSL(); #endif - } - return default_DSA_method; - } + } + return default_DSA_method; +} DSA *DSA_new(void) - { - return DSA_new_method(NULL); - } +{ + return DSA_new_method(NULL); +} int DSA_set_method(DSA *dsa, const DSA_METHOD *meth) - { - /* NB: The caller is specifically setting a method, so it's not up to us - * to deal with which ENGINE it comes from. */ - const DSA_METHOD *mtmp; - mtmp = dsa->meth; - if (mtmp->finish) mtmp->finish(dsa); +{ + /* + * NB: The caller is specifically setting a method, so it's not up to us + * to deal with which ENGINE it comes from. + */ + const DSA_METHOD *mtmp; + mtmp = dsa->meth; + if (mtmp->finish) + mtmp->finish(dsa); #ifndef OPENSSL_NO_ENGINE - if (dsa->engine) - { - ENGINE_finish(dsa->engine); - dsa->engine = NULL; - } + if (dsa->engine) { + ENGINE_finish(dsa->engine); + dsa->engine = NULL; + } #endif - dsa->meth = meth; - if (meth->init) meth->init(dsa); - return 1; - } + dsa->meth = meth; + if (meth->init) + meth->init(dsa); + return 1; +} DSA *DSA_new_method(ENGINE *engine) - { - DSA *ret; - - ret=(DSA *)OPENSSL_malloc(sizeof(DSA)); - if (ret == NULL) - { - DSAerr(DSA_F_DSA_NEW_METHOD,ERR_R_MALLOC_FAILURE); - return(NULL); - } - ret->meth = DSA_get_default_method(); +{ + DSA *ret; + + ret = (DSA *)OPENSSL_malloc(sizeof(DSA)); + if (ret == NULL) { + DSAerr(DSA_F_DSA_NEW_METHOD, ERR_R_MALLOC_FAILURE); + return (NULL); + } + ret->meth = DSA_get_default_method(); #ifndef OPENSSL_NO_ENGINE - if (engine) - { - if (!ENGINE_init(engine)) - { - DSAerr(DSA_F_DSA_NEW_METHOD, ERR_R_ENGINE_LIB); - OPENSSL_free(ret); - return NULL; - } - ret->engine = engine; - } - else - ret->engine = ENGINE_get_default_DSA(); - if(ret->engine) - { - ret->meth = ENGINE_get_DSA(ret->engine); - if(!ret->meth) - { - DSAerr(DSA_F_DSA_NEW_METHOD, - ERR_R_ENGINE_LIB); - ENGINE_finish(ret->engine); - OPENSSL_free(ret); - return NULL; - } - } + if (engine) { + if (!ENGINE_init(engine)) { + DSAerr(DSA_F_DSA_NEW_METHOD, ERR_R_ENGINE_LIB); + OPENSSL_free(ret); + return NULL; + } + ret->engine = engine; + } else + ret->engine = ENGINE_get_default_DSA(); + if (ret->engine) { + ret->meth = ENGINE_get_DSA(ret->engine); + if (!ret->meth) { + DSAerr(DSA_F_DSA_NEW_METHOD, ERR_R_ENGINE_LIB); + ENGINE_finish(ret->engine); + OPENSSL_free(ret); + return NULL; + } + } #endif - ret->pad=0; - ret->version=0; - ret->write_params=1; - ret->p=NULL; - ret->q=NULL; - ret->g=NULL; - - ret->pub_key=NULL; - ret->priv_key=NULL; - - ret->kinv=NULL; - ret->r=NULL; - ret->method_mont_p=NULL; - - ret->references=1; - ret->flags=ret->meth->flags & ~DSA_FLAG_NON_FIPS_ALLOW; - CRYPTO_new_ex_data(CRYPTO_EX_INDEX_DSA, ret, &ret->ex_data); - if ((ret->meth->init != NULL) && !ret->meth->init(ret)) - { + ret->pad = 0; + ret->version = 0; + ret->write_params = 1; + ret->p = NULL; + ret->q = NULL; + ret->g = NULL; + + ret->pub_key = NULL; + ret->priv_key = NULL; + + ret->kinv = NULL; + ret->r = NULL; + ret->method_mont_p = NULL; + + ret->references = 1; + ret->flags = ret->meth->flags & ~DSA_FLAG_NON_FIPS_ALLOW; + CRYPTO_new_ex_data(CRYPTO_EX_INDEX_DSA, ret, &ret->ex_data); + if ((ret->meth->init != NULL) && !ret->meth->init(ret)) { #ifndef OPENSSL_NO_ENGINE - if (ret->engine) - ENGINE_finish(ret->engine); + if (ret->engine) + ENGINE_finish(ret->engine); #endif - CRYPTO_free_ex_data(CRYPTO_EX_INDEX_DSA, ret, &ret->ex_data); - OPENSSL_free(ret); - ret=NULL; - } - - return(ret); - } + CRYPTO_free_ex_data(CRYPTO_EX_INDEX_DSA, ret, &ret->ex_data); + OPENSSL_free(ret); + ret = NULL; + } + + return (ret); +} void DSA_free(DSA *r) - { - int i; +{ + int i; - if (r == NULL) return; + if (r == NULL) + return; - i=CRYPTO_add(&r->references,-1,CRYPTO_LOCK_DSA); + i = CRYPTO_add(&r->references, -1, CRYPTO_LOCK_DSA); #ifdef REF_PRINT - REF_PRINT("DSA",r); + REF_PRINT("DSA", r); #endif - if (i > 0) return; + if (i > 0) + return; #ifdef REF_CHECK - if (i < 0) - { - fprintf(stderr,"DSA_free, bad reference count\n"); - abort(); - } + if (i < 0) { + fprintf(stderr, "DSA_free, bad reference count\n"); + abort(); + } #endif - if(r->meth->finish) - r->meth->finish(r); + if (r->meth->finish) + r->meth->finish(r); #ifndef OPENSSL_NO_ENGINE - if(r->engine) - ENGINE_finish(r->engine); + if (r->engine) + ENGINE_finish(r->engine); #endif - CRYPTO_free_ex_data(CRYPTO_EX_INDEX_DSA, r, &r->ex_data); - - if (r->p != NULL) BN_clear_free(r->p); - if (r->q != NULL) BN_clear_free(r->q); - if (r->g != NULL) BN_clear_free(r->g); - if (r->pub_key != NULL) BN_clear_free(r->pub_key); - if (r->priv_key != NULL) BN_clear_free(r->priv_key); - if (r->kinv != NULL) BN_clear_free(r->kinv); - if (r->r != NULL) BN_clear_free(r->r); - OPENSSL_free(r); - } + CRYPTO_free_ex_data(CRYPTO_EX_INDEX_DSA, r, &r->ex_data); + + if (r->p != NULL) + BN_clear_free(r->p); + if (r->q != NULL) + BN_clear_free(r->q); + if (r->g != NULL) + BN_clear_free(r->g); + if (r->pub_key != NULL) + BN_clear_free(r->pub_key); + if (r->priv_key != NULL) + BN_clear_free(r->priv_key); + if (r->kinv != NULL) + BN_clear_free(r->kinv); + if (r->r != NULL) + BN_clear_free(r->r); + OPENSSL_free(r); +} int DSA_up_ref(DSA *r) - { - int i = CRYPTO_add(&r->references, 1, CRYPTO_LOCK_DSA); +{ + int i = CRYPTO_add(&r->references, 1, CRYPTO_LOCK_DSA); #ifdef REF_PRINT - REF_PRINT("DSA",r); + REF_PRINT("DSA", r); #endif #ifdef REF_CHECK - if (i < 2) - { - fprintf(stderr, "DSA_up_ref, bad reference count\n"); - abort(); - } + if (i < 2) { + fprintf(stderr, "DSA_up_ref, bad reference count\n"); + abort(); + } #endif - return ((i > 1) ? 1 : 0); - } + return ((i > 1) ? 1 : 0); +} int DSA_size(const DSA *r) - { - int ret,i; - ASN1_INTEGER bs; - unsigned char buf[4]; /* 4 bytes looks really small. - However, i2d_ASN1_INTEGER() will not look - beyond the first byte, as long as the second - parameter is NULL. */ - - i=BN_num_bits(r->q); - bs.length=(i+7)/8; - bs.data=buf; - bs.type=V_ASN1_INTEGER; - /* If the top bit is set the asn1 encoding is 1 larger. */ - buf[0]=0xff; - - i=i2d_ASN1_INTEGER(&bs,NULL); - i+=i; /* r and s */ - ret=ASN1_object_size(1,i,V_ASN1_SEQUENCE); - return(ret); - } +{ + int ret, i; + ASN1_INTEGER bs; + unsigned char buf[4]; /* 4 bytes looks really small. However, + * i2d_ASN1_INTEGER() will not look beyond + * the first byte, as long as the second + * parameter is NULL. */ + + i = BN_num_bits(r->q); + bs.length = (i + 7) / 8; + bs.data = buf; + bs.type = V_ASN1_INTEGER; + /* If the top bit is set the asn1 encoding is 1 larger. */ + buf[0] = 0xff; + + i = i2d_ASN1_INTEGER(&bs, NULL); + i += i; /* r and s */ + ret = ASN1_object_size(1, i, V_ASN1_SEQUENCE); + return (ret); +} int DSA_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func, - CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func) - { - return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_DSA, argl, argp, - new_func, dup_func, free_func); - } + CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func) +{ + return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_DSA, argl, argp, + new_func, dup_func, free_func); +} int DSA_set_ex_data(DSA *d, int idx, void *arg) - { - return(CRYPTO_set_ex_data(&d->ex_data,idx,arg)); - } +{ + return (CRYPTO_set_ex_data(&d->ex_data, idx, arg)); +} void *DSA_get_ex_data(DSA *d, int idx) - { - return(CRYPTO_get_ex_data(&d->ex_data,idx)); - } +{ + return (CRYPTO_get_ex_data(&d->ex_data, idx)); +} #ifndef OPENSSL_NO_DH DH *DSA_dup_DH(const DSA *r) - { - /* DSA has p, q, g, optional pub_key, optional priv_key. - * DH has p, optional length, g, optional pub_key, optional priv_key, - * optional q. - */ - - DH *ret = NULL; - - if (r == NULL) - goto err; - ret = DH_new(); - if (ret == NULL) - goto err; - if (r->p != NULL) - if ((ret->p = BN_dup(r->p)) == NULL) - goto err; - if (r->q != NULL) - { - ret->length = BN_num_bits(r->q); - if ((ret->q = BN_dup(r->q)) == NULL) - goto err; - } - if (r->g != NULL) - if ((ret->g = BN_dup(r->g)) == NULL) - goto err; - if (r->pub_key != NULL) - if ((ret->pub_key = BN_dup(r->pub_key)) == NULL) - goto err; - if (r->priv_key != NULL) - if ((ret->priv_key = BN_dup(r->priv_key)) == NULL) - goto err; - - return ret; +{ + /* + * DSA has p, q, g, optional pub_key, optional priv_key. DH has p, + * optional length, g, optional pub_key, optional priv_key, optional q. + */ + + DH *ret = NULL; + + if (r == NULL) + goto err; + ret = DH_new(); + if (ret == NULL) + goto err; + if (r->p != NULL) + if ((ret->p = BN_dup(r->p)) == NULL) + goto err; + if (r->q != NULL) { + ret->length = BN_num_bits(r->q); + if ((ret->q = BN_dup(r->q)) == NULL) + goto err; + } + if (r->g != NULL) + if ((ret->g = BN_dup(r->g)) == NULL) + goto err; + if (r->pub_key != NULL) + if ((ret->pub_key = BN_dup(r->pub_key)) == NULL) + goto err; + if (r->priv_key != NULL) + if ((ret->priv_key = BN_dup(r->priv_key)) == NULL) + goto err; + + return ret; err: - if (ret != NULL) - DH_free(ret); - return NULL; - } + if (ret != NULL) + DH_free(ret); + return NULL; +} #endif diff --git a/openssl/crypto/dsa/dsa_locl.h b/openssl/crypto/dsa/dsa_locl.h index 21e2e4524..9c23c3ef9 100644 --- a/openssl/crypto/dsa/dsa_locl.h +++ b/openssl/crypto/dsa/dsa_locl.h @@ -6,7 +6,7 @@ * are met: * * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. + * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in @@ -55,6 +55,15 @@ #include <openssl/dsa.h> int dsa_builtin_paramgen(DSA *ret, size_t bits, size_t qbits, - const EVP_MD *evpmd, const unsigned char *seed_in, size_t seed_len, - unsigned char *seed_out, - int *counter_ret, unsigned long *h_ret, BN_GENCB *cb); + const EVP_MD *evpmd, const unsigned char *seed_in, + size_t seed_len, unsigned char *seed_out, + int *counter_ret, unsigned long *h_ret, + BN_GENCB *cb); + +int dsa_builtin_paramgen2(DSA *ret, size_t L, size_t N, + const EVP_MD *evpmd, const unsigned char *seed_in, + size_t seed_len, int idx, unsigned char *seed_out, + int *counter_ret, unsigned long *h_ret, + BN_GENCB *cb); + +int dsa_paramgen_check_g(DSA *dsa); diff --git a/openssl/crypto/dsa/dsa_ossl.c b/openssl/crypto/dsa/dsa_ossl.c index b3d78e524..665f40a77 100644 --- a/openssl/crypto/dsa/dsa_ossl.c +++ b/openssl/crypto/dsa/dsa_ossl.c @@ -5,21 +5,21 @@ * This package is an SSL implementation written * by Eric Young (eay@cryptsoft.com). * The implementation was written so as to conform with Netscapes SSL. - * + * * This library is free for commercial and non-commercial use as long as * the following conditions are aheared to. The following conditions * apply to all code found in this distribution, be it the RC4, RSA, * lhash, DES, etc., code; not just the SSL code. The SSL documentation * included with this distribution is covered by the same copyright terms * except that the holder is Tim Hudson (tjh@cryptsoft.com). - * + * * Copyright remains Eric Young's, and as such any Copyright notices in * the code are not to be removed. * If this package is used in a product, Eric Young should be given attribution * as the author of the parts of the library used. * This can be in the form of a textual message at program startup or * in documentation (online or textual) provided with the package. - * + * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: @@ -34,10 +34,10 @@ * Eric Young (eay@cryptsoft.com)" * The word 'cryptographic' can be left out if the rouines from the library * being used are not cryptographic related :-). - * 4. If you include any Windows specific code (or a derivative thereof) from + * 4. If you include any Windows specific code (or a derivative thereof) from * the apps directory (application code) you must include an acknowledgement: * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" - * + * * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE @@ -49,7 +49,7 @@ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. - * + * * The licence and distribution terms for any publically available version or * derivative of this code cannot be changed. i.e. this code cannot simply be * copied and put under another distribution licence @@ -67,31 +67,33 @@ #include <openssl/asn1.h> static DSA_SIG *dsa_do_sign(const unsigned char *dgst, int dlen, DSA *dsa); -static int dsa_sign_setup(DSA *dsa, BN_CTX *ctx_in, BIGNUM **kinvp, BIGNUM **rp); -static int dsa_do_verify(const unsigned char *dgst, int dgst_len, DSA_SIG *sig, - DSA *dsa); +static int dsa_sign_setup(DSA *dsa, BN_CTX *ctx_in, BIGNUM **kinvp, + BIGNUM **rp); +static int dsa_do_verify(const unsigned char *dgst, int dgst_len, + DSA_SIG *sig, DSA *dsa); static int dsa_init(DSA *dsa); static int dsa_finish(DSA *dsa); static DSA_METHOD openssl_dsa_meth = { -"OpenSSL DSA method", -dsa_do_sign, -dsa_sign_setup, -dsa_do_verify, -NULL, /* dsa_mod_exp, */ -NULL, /* dsa_bn_mod_exp, */ -dsa_init, -dsa_finish, -0, -NULL, -NULL, -NULL + "OpenSSL DSA method", + dsa_do_sign, + dsa_sign_setup, + dsa_do_verify, + NULL, /* dsa_mod_exp, */ + NULL, /* dsa_bn_mod_exp, */ + dsa_init, + dsa_finish, + 0, + NULL, + NULL, + NULL }; -/* These macro wrappers replace attempts to use the dsa_mod_exp() and +/*- + * These macro wrappers replace attempts to use the dsa_mod_exp() and * bn_mod_exp() handlers in the DSA_METHOD structure. We avoid the problem of * having a the macro work as an expression by bundling an "err_instr". So; - * + * * if (!dsa->meth->bn_mod_exp(dsa, r,dsa->g,&k,dsa->p,ctx, * dsa->method_mont_p)) goto err; * @@ -102,311 +104,319 @@ NULL */ #define DSA_MOD_EXP(err_instr,dsa,rr,a1,p1,a2,p2,m,ctx,in_mont) \ - do { \ - int _tmp_res53; \ - if((dsa)->meth->dsa_mod_exp) \ - _tmp_res53 = (dsa)->meth->dsa_mod_exp((dsa), (rr), (a1), (p1), \ - (a2), (p2), (m), (ctx), (in_mont)); \ - else \ - _tmp_res53 = BN_mod_exp2_mont((rr), (a1), (p1), (a2), (p2), \ - (m), (ctx), (in_mont)); \ - if(!_tmp_res53) err_instr; \ - } while(0) + do { \ + int _tmp_res53; \ + if((dsa)->meth->dsa_mod_exp) \ + _tmp_res53 = (dsa)->meth->dsa_mod_exp((dsa), (rr), (a1), (p1), \ + (a2), (p2), (m), (ctx), (in_mont)); \ + else \ + _tmp_res53 = BN_mod_exp2_mont((rr), (a1), (p1), (a2), (p2), \ + (m), (ctx), (in_mont)); \ + if(!_tmp_res53) err_instr; \ + } while(0) #define DSA_BN_MOD_EXP(err_instr,dsa,r,a,p,m,ctx,m_ctx) \ - do { \ - int _tmp_res53; \ - if((dsa)->meth->bn_mod_exp) \ - _tmp_res53 = (dsa)->meth->bn_mod_exp((dsa), (r), (a), (p), \ - (m), (ctx), (m_ctx)); \ - else \ - _tmp_res53 = BN_mod_exp_mont((r), (a), (p), (m), (ctx), (m_ctx)); \ - if(!_tmp_res53) err_instr; \ - } while(0) + do { \ + int _tmp_res53; \ + if((dsa)->meth->bn_mod_exp) \ + _tmp_res53 = (dsa)->meth->bn_mod_exp((dsa), (r), (a), (p), \ + (m), (ctx), (m_ctx)); \ + else \ + _tmp_res53 = BN_mod_exp_mont((r), (a), (p), (m), (ctx), (m_ctx)); \ + if(!_tmp_res53) err_instr; \ + } while(0) const DSA_METHOD *DSA_OpenSSL(void) { - return &openssl_dsa_meth; + return &openssl_dsa_meth; } static DSA_SIG *dsa_do_sign(const unsigned char *dgst, int dlen, DSA *dsa) - { - BIGNUM *kinv=NULL,*r=NULL,*s=NULL; - BIGNUM m; - BIGNUM xr; - BN_CTX *ctx=NULL; - int reason=ERR_R_BN_LIB; - DSA_SIG *ret=NULL; - int noredo = 0; - - BN_init(&m); - BN_init(&xr); - - if (!dsa->p || !dsa->q || !dsa->g) - { - reason=DSA_R_MISSING_PARAMETERS; - goto err; - } - - s=BN_new(); - if (s == NULL) goto err; - ctx=BN_CTX_new(); - if (ctx == NULL) goto err; -redo: - if ((dsa->kinv == NULL) || (dsa->r == NULL)) - { - if (!DSA_sign_setup(dsa,ctx,&kinv,&r)) goto err; - } - else - { - kinv=dsa->kinv; - dsa->kinv=NULL; - r=dsa->r; - dsa->r=NULL; - noredo = 1; - } - - - if (dlen > BN_num_bytes(dsa->q)) - /* if the digest length is greater than the size of q use the - * BN_num_bits(dsa->q) leftmost bits of the digest, see - * fips 186-3, 4.2 */ - dlen = BN_num_bytes(dsa->q); - if (BN_bin2bn(dgst,dlen,&m) == NULL) - goto err; - - /* Compute s = inv(k) (m + xr) mod q */ - if (!BN_mod_mul(&xr,dsa->priv_key,r,dsa->q,ctx)) goto err;/* s = xr */ - if (!BN_add(s, &xr, &m)) goto err; /* s = m + xr */ - if (BN_cmp(s,dsa->q) > 0) - if (!BN_sub(s,s,dsa->q)) goto err; - if (!BN_mod_mul(s,s,kinv,dsa->q,ctx)) goto err; - - ret=DSA_SIG_new(); - if (ret == NULL) goto err; - /* Redo if r or s is zero as required by FIPS 186-3: this is - * very unlikely. - */ - if (BN_is_zero(r) || BN_is_zero(s)) - { - if (noredo) - { - reason = DSA_R_NEED_NEW_SETUP_VALUES; - goto err; - } - goto redo; - } - ret->r = r; - ret->s = s; - -err: - if (!ret) - { - DSAerr(DSA_F_DSA_DO_SIGN,reason); - BN_free(r); - BN_free(s); - } - if (ctx != NULL) BN_CTX_free(ctx); - BN_clear_free(&m); - BN_clear_free(&xr); - if (kinv != NULL) /* dsa->kinv is NULL now if we used it */ - BN_clear_free(kinv); - return(ret); - } - -static int dsa_sign_setup(DSA *dsa, BN_CTX *ctx_in, BIGNUM **kinvp, BIGNUM **rp) - { - BN_CTX *ctx; - BIGNUM k,kq,*K,*kinv=NULL,*r=NULL; - int ret=0; - - if (!dsa->p || !dsa->q || !dsa->g) - { - DSAerr(DSA_F_DSA_SIGN_SETUP,DSA_R_MISSING_PARAMETERS); - return 0; - } - - BN_init(&k); - BN_init(&kq); - - if (ctx_in == NULL) - { - if ((ctx=BN_CTX_new()) == NULL) goto err; - } - else - ctx=ctx_in; - - if ((r=BN_new()) == NULL) goto err; - - /* Get random k */ - do - if (!BN_rand_range(&k, dsa->q)) goto err; - while (BN_is_zero(&k)); - if ((dsa->flags & DSA_FLAG_NO_EXP_CONSTTIME) == 0) - { - BN_set_flags(&k, BN_FLG_CONSTTIME); - } - - if (dsa->flags & DSA_FLAG_CACHE_MONT_P) - { - if (!BN_MONT_CTX_set_locked(&dsa->method_mont_p, - CRYPTO_LOCK_DSA, - dsa->p, ctx)) - goto err; - } - - /* Compute r = (g^k mod p) mod q */ - - if ((dsa->flags & DSA_FLAG_NO_EXP_CONSTTIME) == 0) - { - if (!BN_copy(&kq, &k)) goto err; - - /* We do not want timing information to leak the length of k, - * so we compute g^k using an equivalent exponent of fixed length. - * - * (This is a kludge that we need because the BN_mod_exp_mont() - * does not let us specify the desired timing behaviour.) */ - - if (!BN_add(&kq, &kq, dsa->q)) goto err; - if (BN_num_bits(&kq) <= BN_num_bits(dsa->q)) - { - if (!BN_add(&kq, &kq, dsa->q)) goto err; - } - - K = &kq; - } - else - { - K = &k; - } - DSA_BN_MOD_EXP(goto err, dsa, r, dsa->g, K, dsa->p, ctx, - dsa->method_mont_p); - if (!BN_mod(r,r,dsa->q,ctx)) goto err; - - /* Compute part of 's = inv(k) (m + xr) mod q' */ - if ((kinv=BN_mod_inverse(NULL,&k,dsa->q,ctx)) == NULL) goto err; - - if (*kinvp != NULL) BN_clear_free(*kinvp); - *kinvp=kinv; - kinv=NULL; - if (*rp != NULL) BN_clear_free(*rp); - *rp=r; - ret=1; -err: - if (!ret) - { - DSAerr(DSA_F_DSA_SIGN_SETUP,ERR_R_BN_LIB); - if (r != NULL) - BN_clear_free(r); - } - if (ctx_in == NULL) BN_CTX_free(ctx); - BN_clear_free(&k); - BN_clear_free(&kq); - return(ret); - } - -static int dsa_do_verify(const unsigned char *dgst, int dgst_len, DSA_SIG *sig, - DSA *dsa) - { - BN_CTX *ctx; - BIGNUM u1,u2,t1; - BN_MONT_CTX *mont=NULL; - int ret = -1, i; - if (!dsa->p || !dsa->q || !dsa->g) - { - DSAerr(DSA_F_DSA_DO_VERIFY,DSA_R_MISSING_PARAMETERS); - return -1; - } - - i = BN_num_bits(dsa->q); - /* fips 186-3 allows only different sizes for q */ - if (i != 160 && i != 224 && i != 256) - { - DSAerr(DSA_F_DSA_DO_VERIFY,DSA_R_BAD_Q_VALUE); - return -1; - } - - if (BN_num_bits(dsa->p) > OPENSSL_DSA_MAX_MODULUS_BITS) - { - DSAerr(DSA_F_DSA_DO_VERIFY,DSA_R_MODULUS_TOO_LARGE); - return -1; - } - BN_init(&u1); - BN_init(&u2); - BN_init(&t1); - - if ((ctx=BN_CTX_new()) == NULL) goto err; - - if (BN_is_zero(sig->r) || BN_is_negative(sig->r) || - BN_ucmp(sig->r, dsa->q) >= 0) - { - ret = 0; - goto err; - } - if (BN_is_zero(sig->s) || BN_is_negative(sig->s) || - BN_ucmp(sig->s, dsa->q) >= 0) - { - ret = 0; - goto err; - } - - /* Calculate W = inv(S) mod Q - * save W in u2 */ - if ((BN_mod_inverse(&u2,sig->s,dsa->q,ctx)) == NULL) goto err; - - /* save M in u1 */ - if (dgst_len > (i >> 3)) - /* if the digest length is greater than the size of q use the - * BN_num_bits(dsa->q) leftmost bits of the digest, see - * fips 186-3, 4.2 */ - dgst_len = (i >> 3); - if (BN_bin2bn(dgst,dgst_len,&u1) == NULL) goto err; - - /* u1 = M * w mod q */ - if (!BN_mod_mul(&u1,&u1,&u2,dsa->q,ctx)) goto err; - - /* u2 = r * w mod q */ - if (!BN_mod_mul(&u2,sig->r,&u2,dsa->q,ctx)) goto err; - - - if (dsa->flags & DSA_FLAG_CACHE_MONT_P) - { - mont = BN_MONT_CTX_set_locked(&dsa->method_mont_p, - CRYPTO_LOCK_DSA, dsa->p, ctx); - if (!mont) - goto err; - } - - - DSA_MOD_EXP(goto err, dsa, &t1, dsa->g, &u1, dsa->pub_key, &u2, dsa->p, ctx, mont); - /* BN_copy(&u1,&t1); */ - /* let u1 = u1 mod q */ - if (!BN_mod(&u1,&t1,dsa->q,ctx)) goto err; - - /* V is now in u1. If the signature is correct, it will be - * equal to R. */ - ret=(BN_ucmp(&u1, sig->r) == 0); - - err: - /* XXX: surely this is wrong - if ret is 0, it just didn't verify; - there is no error in BN. Test should be ret == -1 (Ben) */ - if (ret != 1) DSAerr(DSA_F_DSA_DO_VERIFY,ERR_R_BN_LIB); - if (ctx != NULL) BN_CTX_free(ctx); - BN_free(&u1); - BN_free(&u2); - BN_free(&t1); - return(ret); - } +{ + BIGNUM *kinv = NULL, *r = NULL, *s = NULL; + BIGNUM m; + BIGNUM xr; + BN_CTX *ctx = NULL; + int reason = ERR_R_BN_LIB; + DSA_SIG *ret = NULL; + int noredo = 0; + + BN_init(&m); + BN_init(&xr); + + if (!dsa->p || !dsa->q || !dsa->g) { + reason = DSA_R_MISSING_PARAMETERS; + goto err; + } + + s = BN_new(); + if (s == NULL) + goto err; + ctx = BN_CTX_new(); + if (ctx == NULL) + goto err; + redo: + if ((dsa->kinv == NULL) || (dsa->r == NULL)) { + if (!DSA_sign_setup(dsa, ctx, &kinv, &r)) + goto err; + } else { + kinv = dsa->kinv; + dsa->kinv = NULL; + r = dsa->r; + dsa->r = NULL; + noredo = 1; + } + + if (dlen > BN_num_bytes(dsa->q)) + /* + * if the digest length is greater than the size of q use the + * BN_num_bits(dsa->q) leftmost bits of the digest, see fips 186-3, + * 4.2 + */ + dlen = BN_num_bytes(dsa->q); + if (BN_bin2bn(dgst, dlen, &m) == NULL) + goto err; + + /* Compute s = inv(k) (m + xr) mod q */ + if (!BN_mod_mul(&xr, dsa->priv_key, r, dsa->q, ctx)) + goto err; /* s = xr */ + if (!BN_add(s, &xr, &m)) + goto err; /* s = m + xr */ + if (BN_cmp(s, dsa->q) > 0) + if (!BN_sub(s, s, dsa->q)) + goto err; + if (!BN_mod_mul(s, s, kinv, dsa->q, ctx)) + goto err; + + ret = DSA_SIG_new(); + if (ret == NULL) + goto err; + /* + * Redo if r or s is zero as required by FIPS 186-3: this is very + * unlikely. + */ + if (BN_is_zero(r) || BN_is_zero(s)) { + if (noredo) { + reason = DSA_R_NEED_NEW_SETUP_VALUES; + goto err; + } + goto redo; + } + ret->r = r; + ret->s = s; + + err: + if (!ret) { + DSAerr(DSA_F_DSA_DO_SIGN, reason); + BN_free(r); + BN_free(s); + } + if (ctx != NULL) + BN_CTX_free(ctx); + BN_clear_free(&m); + BN_clear_free(&xr); + if (kinv != NULL) /* dsa->kinv is NULL now if we used it */ + BN_clear_free(kinv); + return (ret); +} + +static int dsa_sign_setup(DSA *dsa, BN_CTX *ctx_in, BIGNUM **kinvp, + BIGNUM **rp) +{ + BN_CTX *ctx; + BIGNUM k, kq, *K, *kinv = NULL, *r = NULL; + int ret = 0; + + if (!dsa->p || !dsa->q || !dsa->g) { + DSAerr(DSA_F_DSA_SIGN_SETUP, DSA_R_MISSING_PARAMETERS); + return 0; + } + + BN_init(&k); + BN_init(&kq); + + if (ctx_in == NULL) { + if ((ctx = BN_CTX_new()) == NULL) + goto err; + } else + ctx = ctx_in; + + if ((r = BN_new()) == NULL) + goto err; + + /* Get random k */ + do + if (!BN_rand_range(&k, dsa->q)) + goto err; + while (BN_is_zero(&k)) ; + if ((dsa->flags & DSA_FLAG_NO_EXP_CONSTTIME) == 0) { + BN_set_flags(&k, BN_FLG_CONSTTIME); + } + + if (dsa->flags & DSA_FLAG_CACHE_MONT_P) { + if (!BN_MONT_CTX_set_locked(&dsa->method_mont_p, + CRYPTO_LOCK_DSA, dsa->p, ctx)) + goto err; + } + + /* Compute r = (g^k mod p) mod q */ + + if ((dsa->flags & DSA_FLAG_NO_EXP_CONSTTIME) == 0) { + if (!BN_copy(&kq, &k)) + goto err; + + /* + * We do not want timing information to leak the length of k, so we + * compute g^k using an equivalent exponent of fixed length. (This + * is a kludge that we need because the BN_mod_exp_mont() does not + * let us specify the desired timing behaviour.) + */ + + if (!BN_add(&kq, &kq, dsa->q)) + goto err; + if (BN_num_bits(&kq) <= BN_num_bits(dsa->q)) { + if (!BN_add(&kq, &kq, dsa->q)) + goto err; + } + + K = &kq; + } else { + K = &k; + } + DSA_BN_MOD_EXP(goto err, dsa, r, dsa->g, K, dsa->p, ctx, + dsa->method_mont_p); + if (!BN_mod(r, r, dsa->q, ctx)) + goto err; + + /* Compute part of 's = inv(k) (m + xr) mod q' */ + if ((kinv = BN_mod_inverse(NULL, &k, dsa->q, ctx)) == NULL) + goto err; + + if (*kinvp != NULL) + BN_clear_free(*kinvp); + *kinvp = kinv; + kinv = NULL; + if (*rp != NULL) + BN_clear_free(*rp); + *rp = r; + ret = 1; + err: + if (!ret) { + DSAerr(DSA_F_DSA_SIGN_SETUP, ERR_R_BN_LIB); + if (r != NULL) + BN_clear_free(r); + } + if (ctx_in == NULL) + BN_CTX_free(ctx); + BN_clear_free(&k); + BN_clear_free(&kq); + return (ret); +} + +static int dsa_do_verify(const unsigned char *dgst, int dgst_len, + DSA_SIG *sig, DSA *dsa) +{ + BN_CTX *ctx; + BIGNUM u1, u2, t1; + BN_MONT_CTX *mont = NULL; + int ret = -1, i; + if (!dsa->p || !dsa->q || !dsa->g) { + DSAerr(DSA_F_DSA_DO_VERIFY, DSA_R_MISSING_PARAMETERS); + return -1; + } + + i = BN_num_bits(dsa->q); + /* fips 186-3 allows only different sizes for q */ + if (i != 160 && i != 224 && i != 256) { + DSAerr(DSA_F_DSA_DO_VERIFY, DSA_R_BAD_Q_VALUE); + return -1; + } + + if (BN_num_bits(dsa->p) > OPENSSL_DSA_MAX_MODULUS_BITS) { + DSAerr(DSA_F_DSA_DO_VERIFY, DSA_R_MODULUS_TOO_LARGE); + return -1; + } + BN_init(&u1); + BN_init(&u2); + BN_init(&t1); + + if ((ctx = BN_CTX_new()) == NULL) + goto err; + + if (BN_is_zero(sig->r) || BN_is_negative(sig->r) || + BN_ucmp(sig->r, dsa->q) >= 0) { + ret = 0; + goto err; + } + if (BN_is_zero(sig->s) || BN_is_negative(sig->s) || + BN_ucmp(sig->s, dsa->q) >= 0) { + ret = 0; + goto err; + } + + /* + * Calculate W = inv(S) mod Q save W in u2 + */ + if ((BN_mod_inverse(&u2, sig->s, dsa->q, ctx)) == NULL) + goto err; + + /* save M in u1 */ + if (dgst_len > (i >> 3)) + /* + * if the digest length is greater than the size of q use the + * BN_num_bits(dsa->q) leftmost bits of the digest, see fips 186-3, + * 4.2 + */ + dgst_len = (i >> 3); + if (BN_bin2bn(dgst, dgst_len, &u1) == NULL) + goto err; + + /* u1 = M * w mod q */ + if (!BN_mod_mul(&u1, &u1, &u2, dsa->q, ctx)) + goto err; + + /* u2 = r * w mod q */ + if (!BN_mod_mul(&u2, sig->r, &u2, dsa->q, ctx)) + goto err; + + if (dsa->flags & DSA_FLAG_CACHE_MONT_P) { + mont = BN_MONT_CTX_set_locked(&dsa->method_mont_p, + CRYPTO_LOCK_DSA, dsa->p, ctx); + if (!mont) + goto err; + } + + DSA_MOD_EXP(goto err, dsa, &t1, dsa->g, &u1, dsa->pub_key, &u2, dsa->p, + ctx, mont); + /* BN_copy(&u1,&t1); */ + /* let u1 = u1 mod q */ + if (!BN_mod(&u1, &t1, dsa->q, ctx)) + goto err; + + /* + * V is now in u1. If the signature is correct, it will be equal to R. + */ + ret = (BN_ucmp(&u1, sig->r) == 0); + + err: + if (ret < 0) + DSAerr(DSA_F_DSA_DO_VERIFY, ERR_R_BN_LIB); + if (ctx != NULL) + BN_CTX_free(ctx); + BN_free(&u1); + BN_free(&u2); + BN_free(&t1); + return (ret); +} static int dsa_init(DSA *dsa) { - dsa->flags|=DSA_FLAG_CACHE_MONT_P; - return(1); + dsa->flags |= DSA_FLAG_CACHE_MONT_P; + return (1); } static int dsa_finish(DSA *dsa) { - if(dsa->method_mont_p) - BN_MONT_CTX_free(dsa->method_mont_p); - return(1); + if (dsa->method_mont_p) + BN_MONT_CTX_free(dsa->method_mont_p); + return (1); } - diff --git a/openssl/crypto/dsa/dsa_pmeth.c b/openssl/crypto/dsa/dsa_pmeth.c index 715d8d675..42b8bb086 100644 --- a/openssl/crypto/dsa/dsa_pmeth.c +++ b/openssl/crypto/dsa/dsa_pmeth.c @@ -1,5 +1,6 @@ -/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL - * project 2006. +/* + * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project + * 2006. */ /* ==================================================================== * Copyright (c) 2006 The OpenSSL Project. All rights reserved. @@ -9,7 +10,7 @@ * are met: * * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. + * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in @@ -66,253 +67,246 @@ /* DSA pkey context structure */ -typedef struct - { - /* Parameter gen parameters */ - int nbits; /* size of p in bits (default: 1024) */ - int qbits; /* size of q in bits (default: 160) */ - const EVP_MD *pmd; /* MD for parameter generation */ - /* Keygen callback info */ - int gentmp[2]; - /* message digest */ - const EVP_MD *md; /* MD for the signature */ - } DSA_PKEY_CTX; +typedef struct { + /* Parameter gen parameters */ + int nbits; /* size of p in bits (default: 1024) */ + int qbits; /* size of q in bits (default: 160) */ + const EVP_MD *pmd; /* MD for parameter generation */ + /* Keygen callback info */ + int gentmp[2]; + /* message digest */ + const EVP_MD *md; /* MD for the signature */ +} DSA_PKEY_CTX; static int pkey_dsa_init(EVP_PKEY_CTX *ctx) - { - DSA_PKEY_CTX *dctx; - dctx = OPENSSL_malloc(sizeof(DSA_PKEY_CTX)); - if (!dctx) - return 0; - dctx->nbits = 1024; - dctx->qbits = 160; - dctx->pmd = NULL; - dctx->md = NULL; - - ctx->data = dctx; - ctx->keygen_info = dctx->gentmp; - ctx->keygen_info_count = 2; - - return 1; - } +{ + DSA_PKEY_CTX *dctx; + dctx = OPENSSL_malloc(sizeof(DSA_PKEY_CTX)); + if (!dctx) + return 0; + dctx->nbits = 1024; + dctx->qbits = 160; + dctx->pmd = NULL; + dctx->md = NULL; + + ctx->data = dctx; + ctx->keygen_info = dctx->gentmp; + ctx->keygen_info_count = 2; + + return 1; +} static int pkey_dsa_copy(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src) - { - DSA_PKEY_CTX *dctx, *sctx; - if (!pkey_dsa_init(dst)) - return 0; - sctx = src->data; - dctx = dst->data; - dctx->nbits = sctx->nbits; - dctx->qbits = sctx->qbits; - dctx->pmd = sctx->pmd; - dctx->md = sctx->md; - return 1; - } +{ + DSA_PKEY_CTX *dctx, *sctx; + if (!pkey_dsa_init(dst)) + return 0; + sctx = src->data; + dctx = dst->data; + dctx->nbits = sctx->nbits; + dctx->qbits = sctx->qbits; + dctx->pmd = sctx->pmd; + dctx->md = sctx->md; + return 1; +} static void pkey_dsa_cleanup(EVP_PKEY_CTX *ctx) - { - DSA_PKEY_CTX *dctx = ctx->data; - if (dctx) - OPENSSL_free(dctx); - } - -static int pkey_dsa_sign(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen, - const unsigned char *tbs, size_t tbslen) - { - int ret, type; - unsigned int sltmp; - DSA_PKEY_CTX *dctx = ctx->data; - DSA *dsa = ctx->pkey->pkey.dsa; - - if (dctx->md) - type = EVP_MD_type(dctx->md); - else - type = NID_sha1; - - ret = DSA_sign(type, tbs, tbslen, sig, &sltmp, dsa); - - if (ret <= 0) - return ret; - *siglen = sltmp; - return 1; - } +{ + DSA_PKEY_CTX *dctx = ctx->data; + if (dctx) + OPENSSL_free(dctx); +} + +static int pkey_dsa_sign(EVP_PKEY_CTX *ctx, unsigned char *sig, + size_t *siglen, const unsigned char *tbs, + size_t tbslen) +{ + int ret, type; + unsigned int sltmp; + DSA_PKEY_CTX *dctx = ctx->data; + DSA *dsa = ctx->pkey->pkey.dsa; + + if (dctx->md) + type = EVP_MD_type(dctx->md); + else + type = NID_sha1; + + ret = DSA_sign(type, tbs, tbslen, sig, &sltmp, dsa); + + if (ret <= 0) + return ret; + *siglen = sltmp; + return 1; +} static int pkey_dsa_verify(EVP_PKEY_CTX *ctx, - const unsigned char *sig, size_t siglen, - const unsigned char *tbs, size_t tbslen) - { - int ret, type; - DSA_PKEY_CTX *dctx = ctx->data; - DSA *dsa = ctx->pkey->pkey.dsa; + const unsigned char *sig, size_t siglen, + const unsigned char *tbs, size_t tbslen) +{ + int ret, type; + DSA_PKEY_CTX *dctx = ctx->data; + DSA *dsa = ctx->pkey->pkey.dsa; - if (dctx->md) - type = EVP_MD_type(dctx->md); - else - type = NID_sha1; + if (dctx->md) + type = EVP_MD_type(dctx->md); + else + type = NID_sha1; - ret = DSA_verify(type, tbs, tbslen, sig, siglen, dsa); + ret = DSA_verify(type, tbs, tbslen, sig, siglen, dsa); - return ret; - } + return ret; +} static int pkey_dsa_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2) - { - DSA_PKEY_CTX *dctx = ctx->data; - switch (type) - { - case EVP_PKEY_CTRL_DSA_PARAMGEN_BITS: - if (p1 < 256) - return -2; - dctx->nbits = p1; - return 1; - - case EVP_PKEY_CTRL_DSA_PARAMGEN_Q_BITS: - if (p1 != 160 && p1 != 224 && p1 && p1 != 256) - return -2; - dctx->qbits = p1; - return 1; - - case EVP_PKEY_CTRL_DSA_PARAMGEN_MD: - if (EVP_MD_type((const EVP_MD *)p2) != NID_sha1 && - EVP_MD_type((const EVP_MD *)p2) != NID_sha224 && - EVP_MD_type((const EVP_MD *)p2) != NID_sha256) - { - DSAerr(DSA_F_PKEY_DSA_CTRL, DSA_R_INVALID_DIGEST_TYPE); - return 0; - } - dctx->md = p2; - return 1; - - case EVP_PKEY_CTRL_MD: - if (EVP_MD_type((const EVP_MD *)p2) != NID_sha1 && - EVP_MD_type((const EVP_MD *)p2) != NID_dsa && - EVP_MD_type((const EVP_MD *)p2) != NID_dsaWithSHA && - EVP_MD_type((const EVP_MD *)p2) != NID_sha224 && - EVP_MD_type((const EVP_MD *)p2) != NID_sha256 && - EVP_MD_type((const EVP_MD *)p2) != NID_sha384 && - EVP_MD_type((const EVP_MD *)p2) != NID_sha512) - { - DSAerr(DSA_F_PKEY_DSA_CTRL, DSA_R_INVALID_DIGEST_TYPE); - return 0; - } - dctx->md = p2; - return 1; - - case EVP_PKEY_CTRL_DIGESTINIT: - case EVP_PKEY_CTRL_PKCS7_SIGN: - case EVP_PKEY_CTRL_CMS_SIGN: - return 1; - - case EVP_PKEY_CTRL_PEER_KEY: - DSAerr(DSA_F_PKEY_DSA_CTRL, - EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); - return -2; - default: - return -2; - - } - } - +{ + DSA_PKEY_CTX *dctx = ctx->data; + switch (type) { + case EVP_PKEY_CTRL_DSA_PARAMGEN_BITS: + if (p1 < 256) + return -2; + dctx->nbits = p1; + return 1; + + case EVP_PKEY_CTRL_DSA_PARAMGEN_Q_BITS: + if (p1 != 160 && p1 != 224 && p1 && p1 != 256) + return -2; + dctx->qbits = p1; + return 1; + + case EVP_PKEY_CTRL_DSA_PARAMGEN_MD: + if (EVP_MD_type((const EVP_MD *)p2) != NID_sha1 && + EVP_MD_type((const EVP_MD *)p2) != NID_sha224 && + EVP_MD_type((const EVP_MD *)p2) != NID_sha256) { + DSAerr(DSA_F_PKEY_DSA_CTRL, DSA_R_INVALID_DIGEST_TYPE); + return 0; + } + dctx->md = p2; + return 1; + + case EVP_PKEY_CTRL_MD: + if (EVP_MD_type((const EVP_MD *)p2) != NID_sha1 && + EVP_MD_type((const EVP_MD *)p2) != NID_dsa && + EVP_MD_type((const EVP_MD *)p2) != NID_dsaWithSHA && + EVP_MD_type((const EVP_MD *)p2) != NID_sha224 && + EVP_MD_type((const EVP_MD *)p2) != NID_sha256 && + EVP_MD_type((const EVP_MD *)p2) != NID_sha384 && + EVP_MD_type((const EVP_MD *)p2) != NID_sha512) { + DSAerr(DSA_F_PKEY_DSA_CTRL, DSA_R_INVALID_DIGEST_TYPE); + return 0; + } + dctx->md = p2; + return 1; + + case EVP_PKEY_CTRL_GET_MD: + *(const EVP_MD **)p2 = dctx->md; + return 1; + + case EVP_PKEY_CTRL_DIGESTINIT: + case EVP_PKEY_CTRL_PKCS7_SIGN: + case EVP_PKEY_CTRL_CMS_SIGN: + return 1; + + case EVP_PKEY_CTRL_PEER_KEY: + DSAerr(DSA_F_PKEY_DSA_CTRL, + EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); + return -2; + default: + return -2; + + } +} + static int pkey_dsa_ctrl_str(EVP_PKEY_CTX *ctx, - const char *type, const char *value) - { - if (!strcmp(type, "dsa_paramgen_bits")) - { - int nbits; - nbits = atoi(value); - return EVP_PKEY_CTX_set_dsa_paramgen_bits(ctx, nbits); - } - if (!strcmp(type, "dsa_paramgen_q_bits")) - { - int qbits = atoi(value); - return EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DSA, EVP_PKEY_OP_PARAMGEN, - EVP_PKEY_CTRL_DSA_PARAMGEN_Q_BITS, qbits, NULL); - } - if (!strcmp(type, "dsa_paramgen_md")) - { - return EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DSA, EVP_PKEY_OP_PARAMGEN, - EVP_PKEY_CTRL_DSA_PARAMGEN_MD, 0, - (void *)EVP_get_digestbyname(value)); - } - return -2; - } + const char *type, const char *value) +{ + if (!strcmp(type, "dsa_paramgen_bits")) { + int nbits; + nbits = atoi(value); + return EVP_PKEY_CTX_set_dsa_paramgen_bits(ctx, nbits); + } + if (!strcmp(type, "dsa_paramgen_q_bits")) { + int qbits = atoi(value); + return EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DSA, EVP_PKEY_OP_PARAMGEN, + EVP_PKEY_CTRL_DSA_PARAMGEN_Q_BITS, qbits, + NULL); + } + if (!strcmp(type, "dsa_paramgen_md")) { + return EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DSA, EVP_PKEY_OP_PARAMGEN, + EVP_PKEY_CTRL_DSA_PARAMGEN_MD, 0, + (void *)EVP_get_digestbyname(value)); + } + return -2; +} static int pkey_dsa_paramgen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey) - { - DSA *dsa = NULL; - DSA_PKEY_CTX *dctx = ctx->data; - BN_GENCB *pcb, cb; - int ret; - if (ctx->pkey_gencb) - { - pcb = &cb; - evp_pkey_set_cb_translate(pcb, ctx); - } - else - pcb = NULL; - dsa = DSA_new(); - if (!dsa) - return 0; - ret = dsa_builtin_paramgen(dsa, dctx->nbits, dctx->qbits, dctx->pmd, - NULL, 0, NULL, NULL, NULL, pcb); - if (ret) - EVP_PKEY_assign_DSA(pkey, dsa); - else - DSA_free(dsa); - return ret; - } +{ + DSA *dsa = NULL; + DSA_PKEY_CTX *dctx = ctx->data; + BN_GENCB *pcb, cb; + int ret; + if (ctx->pkey_gencb) { + pcb = &cb; + evp_pkey_set_cb_translate(pcb, ctx); + } else + pcb = NULL; + dsa = DSA_new(); + if (!dsa) + return 0; + ret = dsa_builtin_paramgen(dsa, dctx->nbits, dctx->qbits, dctx->pmd, + NULL, 0, NULL, NULL, NULL, pcb); + if (ret) + EVP_PKEY_assign_DSA(pkey, dsa); + else + DSA_free(dsa); + return ret; +} static int pkey_dsa_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey) - { - DSA *dsa = NULL; - if (ctx->pkey == NULL) - { - DSAerr(DSA_F_PKEY_DSA_KEYGEN, DSA_R_NO_PARAMETERS_SET); - return 0; - } - dsa = DSA_new(); - if (!dsa) - return 0; - EVP_PKEY_assign_DSA(pkey, dsa); - /* Note: if error return, pkey is freed by parent routine */ - if (!EVP_PKEY_copy_parameters(pkey, ctx->pkey)) - return 0; - return DSA_generate_key(pkey->pkey.dsa); - } - -const EVP_PKEY_METHOD dsa_pkey_meth = - { - EVP_PKEY_DSA, - EVP_PKEY_FLAG_AUTOARGLEN, - pkey_dsa_init, - pkey_dsa_copy, - pkey_dsa_cleanup, - - 0, - pkey_dsa_paramgen, - - 0, - pkey_dsa_keygen, - - 0, - pkey_dsa_sign, - - 0, - pkey_dsa_verify, - - 0,0, - - 0,0,0,0, - - 0,0, - - 0,0, - - 0,0, - - pkey_dsa_ctrl, - pkey_dsa_ctrl_str - - - }; +{ + DSA *dsa = NULL; + if (ctx->pkey == NULL) { + DSAerr(DSA_F_PKEY_DSA_KEYGEN, DSA_R_NO_PARAMETERS_SET); + return 0; + } + dsa = DSA_new(); + if (!dsa) + return 0; + EVP_PKEY_assign_DSA(pkey, dsa); + /* Note: if error return, pkey is freed by parent routine */ + if (!EVP_PKEY_copy_parameters(pkey, ctx->pkey)) + return 0; + return DSA_generate_key(pkey->pkey.dsa); +} + +const EVP_PKEY_METHOD dsa_pkey_meth = { + EVP_PKEY_DSA, + EVP_PKEY_FLAG_AUTOARGLEN, + pkey_dsa_init, + pkey_dsa_copy, + pkey_dsa_cleanup, + + 0, + pkey_dsa_paramgen, + + 0, + pkey_dsa_keygen, + + 0, + pkey_dsa_sign, + + 0, + pkey_dsa_verify, + + 0, 0, + + 0, 0, 0, 0, + + 0, 0, + + 0, 0, + + 0, 0, + + pkey_dsa_ctrl, + pkey_dsa_ctrl_str +}; diff --git a/openssl/crypto/dsa/dsa_prn.c b/openssl/crypto/dsa/dsa_prn.c index 6f29f5e24..ce690dfcf 100644 --- a/openssl/crypto/dsa/dsa_prn.c +++ b/openssl/crypto/dsa/dsa_prn.c @@ -1,6 +1,7 @@ /* crypto/dsa/dsa_prn.c */ -/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL - * project 2006. +/* + * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project + * 2006. */ /* ==================================================================== * Copyright (c) 2006 The OpenSSL Project. All rights reserved. @@ -10,7 +11,7 @@ * are met: * * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. + * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in @@ -63,59 +64,56 @@ #ifndef OPENSSL_NO_FP_API int DSA_print_fp(FILE *fp, const DSA *x, int off) - { - BIO *b; - int ret; +{ + BIO *b; + int ret; - if ((b=BIO_new(BIO_s_file())) == NULL) - { - DSAerr(DSA_F_DSA_PRINT_FP,ERR_R_BUF_LIB); - return(0); - } - BIO_set_fp(b,fp,BIO_NOCLOSE); - ret=DSA_print(b,x,off); - BIO_free(b); - return(ret); - } + if ((b = BIO_new(BIO_s_file())) == NULL) { + DSAerr(DSA_F_DSA_PRINT_FP, ERR_R_BUF_LIB); + return (0); + } + BIO_set_fp(b, fp, BIO_NOCLOSE); + ret = DSA_print(b, x, off); + BIO_free(b); + return (ret); +} int DSAparams_print_fp(FILE *fp, const DSA *x) - { - BIO *b; - int ret; +{ + BIO *b; + int ret; - if ((b=BIO_new(BIO_s_file())) == NULL) - { - DSAerr(DSA_F_DSAPARAMS_PRINT_FP,ERR_R_BUF_LIB); - return(0); - } - BIO_set_fp(b,fp,BIO_NOCLOSE); - ret=DSAparams_print(b, x); - BIO_free(b); - return(ret); - } + if ((b = BIO_new(BIO_s_file())) == NULL) { + DSAerr(DSA_F_DSAPARAMS_PRINT_FP, ERR_R_BUF_LIB); + return (0); + } + BIO_set_fp(b, fp, BIO_NOCLOSE); + ret = DSAparams_print(b, x); + BIO_free(b); + return (ret); +} #endif int DSA_print(BIO *bp, const DSA *x, int off) - { - EVP_PKEY *pk; - int ret; - pk = EVP_PKEY_new(); - if (!pk || !EVP_PKEY_set1_DSA(pk, (DSA *)x)) - return 0; - ret = EVP_PKEY_print_private(bp, pk, off, NULL); - EVP_PKEY_free(pk); - return ret; - } +{ + EVP_PKEY *pk; + int ret; + pk = EVP_PKEY_new(); + if (!pk || !EVP_PKEY_set1_DSA(pk, (DSA *)x)) + return 0; + ret = EVP_PKEY_print_private(bp, pk, off, NULL); + EVP_PKEY_free(pk); + return ret; +} int DSAparams_print(BIO *bp, const DSA *x) - { - EVP_PKEY *pk; - int ret; - pk = EVP_PKEY_new(); - if (!pk || !EVP_PKEY_set1_DSA(pk, (DSA *)x)) - return 0; - ret = EVP_PKEY_print_params(bp, pk, 4, NULL); - EVP_PKEY_free(pk); - return ret; - } - +{ + EVP_PKEY *pk; + int ret; + pk = EVP_PKEY_new(); + if (!pk || !EVP_PKEY_set1_DSA(pk, (DSA *)x)) + return 0; + ret = EVP_PKEY_print_params(bp, pk, 4, NULL); + EVP_PKEY_free(pk); + return ret; +} diff --git a/openssl/crypto/dsa/dsa_sign.c b/openssl/crypto/dsa/dsa_sign.c index c3cc3642c..c2b71d856 100644 --- a/openssl/crypto/dsa/dsa_sign.c +++ b/openssl/crypto/dsa/dsa_sign.c @@ -5,21 +5,21 @@ * This package is an SSL implementation written * by Eric Young (eay@cryptsoft.com). * The implementation was written so as to conform with Netscapes SSL. - * + * * This library is free for commercial and non-commercial use as long as * the following conditions are aheared to. The following conditions * apply to all code found in this distribution, be it the RC4, RSA, * lhash, DES, etc., code; not just the SSL code. The SSL documentation * included with this distribution is covered by the same copyright terms * except that the holder is Tim Hudson (tjh@cryptsoft.com). - * + * * Copyright remains Eric Young's, and as such any Copyright notices in * the code are not to be removed. * If this package is used in a product, Eric Young should be given attribution * as the author of the parts of the library used. * This can be in the form of a textual message at program startup or * in documentation (online or textual) provided with the package. - * + * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: @@ -34,10 +34,10 @@ * Eric Young (eay@cryptsoft.com)" * The word 'cryptographic' can be left out if the rouines from the library * being used are not cryptographic related :-). - * 4. If you include any Windows specific code (or a derivative thereof) from + * 4. If you include any Windows specific code (or a derivative thereof) from * the apps directory (application code) you must include an acknowledgement: * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" - * + * * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE @@ -49,7 +49,7 @@ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. - * + * * The licence and distribution terms for any publically available version or * derivative of this code cannot be changed. i.e. this code cannot simply be * copied and put under another distribution licence @@ -63,52 +63,48 @@ #include <openssl/rand.h> #include <openssl/bn.h> -DSA_SIG * DSA_do_sign(const unsigned char *dgst, int dlen, DSA *dsa) - { +DSA_SIG *DSA_do_sign(const unsigned char *dgst, int dlen, DSA *dsa) +{ #ifdef OPENSSL_FIPS - if (FIPS_mode() && !(dsa->meth->flags & DSA_FLAG_FIPS_METHOD) - && !(dsa->flags & DSA_FLAG_NON_FIPS_ALLOW)) - { - DSAerr(DSA_F_DSA_DO_SIGN, DSA_R_NON_FIPS_DSA_METHOD); - return NULL; - } + if (FIPS_mode() && !(dsa->meth->flags & DSA_FLAG_FIPS_METHOD) + && !(dsa->flags & DSA_FLAG_NON_FIPS_ALLOW)) { + DSAerr(DSA_F_DSA_DO_SIGN, DSA_R_NON_FIPS_DSA_METHOD); + return NULL; + } #endif - return dsa->meth->dsa_do_sign(dgst, dlen, dsa); - } + return dsa->meth->dsa_do_sign(dgst, dlen, dsa); +} int DSA_sign_setup(DSA *dsa, BN_CTX *ctx_in, BIGNUM **kinvp, BIGNUM **rp) - { +{ #ifdef OPENSSL_FIPS - if (FIPS_mode() && !(dsa->meth->flags & DSA_FLAG_FIPS_METHOD) - && !(dsa->flags & DSA_FLAG_NON_FIPS_ALLOW)) - { - DSAerr(DSA_F_DSA_SIGN_SETUP, DSA_R_NON_FIPS_DSA_METHOD); - return 0; - } + if (FIPS_mode() && !(dsa->meth->flags & DSA_FLAG_FIPS_METHOD) + && !(dsa->flags & DSA_FLAG_NON_FIPS_ALLOW)) { + DSAerr(DSA_F_DSA_SIGN_SETUP, DSA_R_NON_FIPS_DSA_METHOD); + return 0; + } #endif - return dsa->meth->dsa_sign_setup(dsa, ctx_in, kinvp, rp); - } + return dsa->meth->dsa_sign_setup(dsa, ctx_in, kinvp, rp); +} DSA_SIG *DSA_SIG_new(void) - { - DSA_SIG *sig; - sig = OPENSSL_malloc(sizeof(DSA_SIG)); - if (!sig) - return NULL; - sig->r = NULL; - sig->s = NULL; - return sig; - } +{ + DSA_SIG *sig; + sig = OPENSSL_malloc(sizeof(DSA_SIG)); + if (!sig) + return NULL; + sig->r = NULL; + sig->s = NULL; + return sig; +} void DSA_SIG_free(DSA_SIG *sig) - { - if (sig) - { - if (sig->r) - BN_free(sig->r); - if (sig->s) - BN_free(sig->s); - OPENSSL_free(sig); - } - } - +{ + if (sig) { + if (sig->r) + BN_free(sig->r); + if (sig->s) + BN_free(sig->s); + OPENSSL_free(sig); + } +} diff --git a/openssl/crypto/dsa/dsa_vrf.c b/openssl/crypto/dsa/dsa_vrf.c index 674cb5fa5..7dbd0ca27 100644 --- a/openssl/crypto/dsa/dsa_vrf.c +++ b/openssl/crypto/dsa/dsa_vrf.c @@ -5,21 +5,21 @@ * This package is an SSL implementation written * by Eric Young (eay@cryptsoft.com). * The implementation was written so as to conform with Netscapes SSL. - * + * * This library is free for commercial and non-commercial use as long as * the following conditions are aheared to. The following conditions * apply to all code found in this distribution, be it the RC4, RSA, * lhash, DES, etc., code; not just the SSL code. The SSL documentation * included with this distribution is covered by the same copyright terms * except that the holder is Tim Hudson (tjh@cryptsoft.com). - * + * * Copyright remains Eric Young's, and as such any Copyright notices in * the code are not to be removed. * If this package is used in a product, Eric Young should be given attribution * as the author of the parts of the library used. * This can be in the form of a textual message at program startup or * in documentation (online or textual) provided with the package. - * + * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: @@ -34,10 +34,10 @@ * Eric Young (eay@cryptsoft.com)" * The word 'cryptographic' can be left out if the rouines from the library * being used are not cryptographic related :-). - * 4. If you include any Windows specific code (or a derivative thereof) from + * 4. If you include any Windows specific code (or a derivative thereof) from * the apps directory (application code) you must include an acknowledgement: * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" - * + * * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE @@ -49,7 +49,7 @@ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. - * + * * The licence and distribution terms for any publically available version or * derivative of this code cannot be changed. i.e. this code cannot simply be * copied and put under another distribution licence @@ -62,15 +62,14 @@ #include <openssl/dsa.h> int DSA_do_verify(const unsigned char *dgst, int dgst_len, DSA_SIG *sig, - DSA *dsa) - { + DSA *dsa) +{ #ifdef OPENSSL_FIPS - if (FIPS_mode() && !(dsa->meth->flags & DSA_FLAG_FIPS_METHOD) - && !(dsa->flags & DSA_FLAG_NON_FIPS_ALLOW)) - { - DSAerr(DSA_F_DSA_DO_VERIFY, DSA_R_NON_FIPS_DSA_METHOD); - return -1; - } + if (FIPS_mode() && !(dsa->meth->flags & DSA_FLAG_FIPS_METHOD) + && !(dsa->flags & DSA_FLAG_NON_FIPS_ALLOW)) { + DSAerr(DSA_F_DSA_DO_VERIFY, DSA_R_NON_FIPS_DSA_METHOD); + return -1; + } #endif - return dsa->meth->dsa_do_verify(dgst, dgst_len, sig, dsa); - } + return dsa->meth->dsa_do_verify(dgst, dgst_len, sig, dsa); +} diff --git a/openssl/crypto/dsa/dsagen.c b/openssl/crypto/dsa/dsagen.c index 1b6a1cca0..e7d346b1e 100644 --- a/openssl/crypto/dsa/dsagen.c +++ b/openssl/crypto/dsa/dsagen.c @@ -5,21 +5,21 @@ * This package is an SSL implementation written * by Eric Young (eay@cryptsoft.com). * The implementation was written so as to conform with Netscapes SSL. - * + * * This library is free for commercial and non-commercial use as long as * the following conditions are aheared to. The following conditions * apply to all code found in this distribution, be it the RC4, RSA, * lhash, DES, etc., code; not just the SSL code. The SSL documentation * included with this distribution is covered by the same copyright terms * except that the holder is Tim Hudson (tjh@cryptsoft.com). - * + * * Copyright remains Eric Young's, and as such any Copyright notices in * the code are not to be removed. * If this package is used in a product, Eric Young should be given attribution * as the author of the parts of the library used. * This can be in the form of a textual message at program startup or * in documentation (online or textual) provided with the package. - * + * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: @@ -34,10 +34,10 @@ * Eric Young (eay@cryptsoft.com)" * The word 'cryptographic' can be left out if the rouines from the library * being used are not cryptographic related :-). - * 4. If you include any Windows specific code (or a derivative thereof) from + * 4. If you include any Windows specific code (or a derivative thereof) from * the apps directory (application code) you must include an acknowledgement: * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" - * + * * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE @@ -49,7 +49,7 @@ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. - * + * * The licence and distribution terms for any publically available version or * derivative of this code cannot be changed. i.e. this code cannot simply be * copied and put under another distribution licence @@ -63,49 +63,53 @@ #define GENUINE_DSA #ifdef GENUINE_DSA -#define LAST_VALUE 0xbd +# define LAST_VALUE 0xbd #else -#define LAST_VALUE 0xd3 +# define LAST_VALUE 0xd3 #endif #ifdef TEST -unsigned char seed[20]={ - 0xd5,0x01,0x4e,0x4b, - 0x60,0xef,0x2b,0xa8, - 0xb6,0x21,0x1b,0x40, - 0x62,0xba,0x32,0x24, - 0xe0,0x42,0x7d,LAST_VALUE}; +unsigned char seed[20] = { + 0xd5, 0x01, 0x4e, 0x4b, + 0x60, 0xef, 0x2b, 0xa8, + 0xb6, 0x21, 0x1b, 0x40, + 0x62, 0xba, 0x32, 0x24, + 0xe0, 0x42, 0x7d, LAST_VALUE +}; #endif int cb(int p, int n) - { - char c='*'; +{ + char c = '*'; - if (p == 0) c='.'; - if (p == 1) c='+'; - if (p == 2) c='*'; - if (p == 3) c='\n'; - printf("%c",c); - fflush(stdout); - } + if (p == 0) + c = '.'; + if (p == 1) + c = '+'; + if (p == 2) + c = '*'; + if (p == 3) + c = '\n'; + printf("%c", c); + fflush(stdout); +} main() - { - int i; - BIGNUM *n; - BN_CTX *ctx; - unsigned char seed_buf[20]; - DSA *dsa; - int counter,h; - BIO *bio_err=NULL; - - if (bio_err == NULL) - bio_err=BIO_new_fp(stderr,BIO_NOCLOSE); +{ + int i; + BIGNUM *n; + BN_CTX *ctx; + unsigned char seed_buf[20]; + DSA *dsa; + int counter, h; + BIO *bio_err = NULL; - memcpy(seed_buf,seed,20); - dsa=DSA_generate_parameters(1024,seed,20,&counter,&h,cb,bio_err); + if (bio_err == NULL) + bio_err = BIO_new_fp(stderr, BIO_NOCLOSE); - if (dsa == NULL) - DSA_print(bio_err,dsa,0); - } + memcpy(seed_buf, seed, 20); + dsa = DSA_generate_parameters(1024, seed, 20, &counter, &h, cb, bio_err); + if (dsa == NULL) + DSA_print(bio_err, dsa, 0); +} diff --git a/openssl/crypto/dsa/dsatest.c b/openssl/crypto/dsa/dsatest.c index edffd24e6..8a224a887 100644 --- a/openssl/crypto/dsa/dsatest.c +++ b/openssl/crypto/dsa/dsatest.c @@ -5,21 +5,21 @@ * This package is an SSL implementation written * by Eric Young (eay@cryptsoft.com). * The implementation was written so as to conform with Netscapes SSL. - * + * * This library is free for commercial and non-commercial use as long as * the following conditions are aheared to. The following conditions * apply to all code found in this distribution, be it the RC4, RSA, * lhash, DES, etc., code; not just the SSL code. The SSL documentation * included with this distribution is covered by the same copyright terms * except that the holder is Tim Hudson (tjh@cryptsoft.com). - * + * * Copyright remains Eric Young's, and as such any Copyright notices in * the code are not to be removed. * If this package is used in a product, Eric Young should be given attribution * as the author of the parts of the library used. * This can be in the form of a textual message at program startup or * in documentation (online or textual) provided with the package. - * + * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: @@ -34,10 +34,10 @@ * Eric Young (eay@cryptsoft.com)" * The word 'cryptographic' can be left out if the rouines from the library * being used are not cryptographic related :-). - * 4. If you include any Windows specific code (or a derivative thereof) from + * 4. If you include any Windows specific code (or a derivative thereof) from * the apps directory (application code) you must include an acknowledgement: * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" - * + * * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE @@ -49,17 +49,19 @@ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. - * + * * The licence and distribution terms for any publically available version or * derivative of this code cannot be changed. i.e. this code cannot simply be * copied and put under another distribution licence * [including the GNU Public Licence.] */ -/* Until the key-gen callbacks are modified to use newer prototypes, we allow - * deprecated functions for openssl-internal code */ +/* + * Until the key-gen callbacks are modified to use newer prototypes, we allow + * deprecated functions for openssl-internal code + */ #ifdef OPENSSL_NO_DEPRECATED -#undef OPENSSL_NO_DEPRECATED +# undef OPENSSL_NO_DEPRECATED #endif #include <stdio.h> @@ -80,180 +82,187 @@ int main(int argc, char *argv[]) { printf("No DSA support\n"); - return(0); + return (0); } #else -#include <openssl/dsa.h> +# include <openssl/dsa.h> -#ifdef OPENSSL_SYS_WIN16 -#define MS_CALLBACK _far _loadds -#else -#define MS_CALLBACK -#endif +# ifdef OPENSSL_SYS_WIN16 +# define MS_CALLBACK _far _loadds +# else +# define MS_CALLBACK +# endif static int MS_CALLBACK dsa_cb(int p, int n, BN_GENCB *arg); -/* seed, out_p, out_q, out_g are taken from the updated Appendix 5 to - * FIPS PUB 186 and also appear in Appendix 5 to FIPS PIB 186-1 */ -static unsigned char seed[20]={ - 0xd5,0x01,0x4e,0x4b,0x60,0xef,0x2b,0xa8,0xb6,0x21,0x1b,0x40, - 0x62,0xba,0x32,0x24,0xe0,0x42,0x7d,0xd3, - }; +/* + * seed, out_p, out_q, out_g are taken from the updated Appendix 5 to FIPS + * PUB 186 and also appear in Appendix 5 to FIPS PIB 186-1 + */ +static unsigned char seed[20] = { + 0xd5, 0x01, 0x4e, 0x4b, 0x60, 0xef, 0x2b, 0xa8, 0xb6, 0x21, 0x1b, 0x40, + 0x62, 0xba, 0x32, 0x24, 0xe0, 0x42, 0x7d, 0xd3, +}; -static unsigned char out_p[]={ - 0x8d,0xf2,0xa4,0x94,0x49,0x22,0x76,0xaa, - 0x3d,0x25,0x75,0x9b,0xb0,0x68,0x69,0xcb, - 0xea,0xc0,0xd8,0x3a,0xfb,0x8d,0x0c,0xf7, - 0xcb,0xb8,0x32,0x4f,0x0d,0x78,0x82,0xe5, - 0xd0,0x76,0x2f,0xc5,0xb7,0x21,0x0e,0xaf, - 0xc2,0xe9,0xad,0xac,0x32,0xab,0x7a,0xac, - 0x49,0x69,0x3d,0xfb,0xf8,0x37,0x24,0xc2, - 0xec,0x07,0x36,0xee,0x31,0xc8,0x02,0x91, - }; +static unsigned char out_p[] = { + 0x8d, 0xf2, 0xa4, 0x94, 0x49, 0x22, 0x76, 0xaa, + 0x3d, 0x25, 0x75, 0x9b, 0xb0, 0x68, 0x69, 0xcb, + 0xea, 0xc0, 0xd8, 0x3a, 0xfb, 0x8d, 0x0c, 0xf7, + 0xcb, 0xb8, 0x32, 0x4f, 0x0d, 0x78, 0x82, 0xe5, + 0xd0, 0x76, 0x2f, 0xc5, 0xb7, 0x21, 0x0e, 0xaf, + 0xc2, 0xe9, 0xad, 0xac, 0x32, 0xab, 0x7a, 0xac, + 0x49, 0x69, 0x3d, 0xfb, 0xf8, 0x37, 0x24, 0xc2, + 0xec, 0x07, 0x36, 0xee, 0x31, 0xc8, 0x02, 0x91, +}; -static unsigned char out_q[]={ - 0xc7,0x73,0x21,0x8c,0x73,0x7e,0xc8,0xee, - 0x99,0x3b,0x4f,0x2d,0xed,0x30,0xf4,0x8e, - 0xda,0xce,0x91,0x5f, - }; +static unsigned char out_q[] = { + 0xc7, 0x73, 0x21, 0x8c, 0x73, 0x7e, 0xc8, 0xee, + 0x99, 0x3b, 0x4f, 0x2d, 0xed, 0x30, 0xf4, 0x8e, + 0xda, 0xce, 0x91, 0x5f, +}; -static unsigned char out_g[]={ - 0x62,0x6d,0x02,0x78,0x39,0xea,0x0a,0x13, - 0x41,0x31,0x63,0xa5,0x5b,0x4c,0xb5,0x00, - 0x29,0x9d,0x55,0x22,0x95,0x6c,0xef,0xcb, - 0x3b,0xff,0x10,0xf3,0x99,0xce,0x2c,0x2e, - 0x71,0xcb,0x9d,0xe5,0xfa,0x24,0xba,0xbf, - 0x58,0xe5,0xb7,0x95,0x21,0x92,0x5c,0x9c, - 0xc4,0x2e,0x9f,0x6f,0x46,0x4b,0x08,0x8c, - 0xc5,0x72,0xaf,0x53,0xe6,0xd7,0x88,0x02, - }; +static unsigned char out_g[] = { + 0x62, 0x6d, 0x02, 0x78, 0x39, 0xea, 0x0a, 0x13, + 0x41, 0x31, 0x63, 0xa5, 0x5b, 0x4c, 0xb5, 0x00, + 0x29, 0x9d, 0x55, 0x22, 0x95, 0x6c, 0xef, 0xcb, + 0x3b, 0xff, 0x10, 0xf3, 0x99, 0xce, 0x2c, 0x2e, + 0x71, 0xcb, 0x9d, 0xe5, 0xfa, 0x24, 0xba, 0xbf, + 0x58, 0xe5, 0xb7, 0x95, 0x21, 0x92, 0x5c, 0x9c, + 0xc4, 0x2e, 0x9f, 0x6f, 0x46, 0x4b, 0x08, 0x8c, + 0xc5, 0x72, 0xaf, 0x53, 0xe6, 0xd7, 0x88, 0x02, +}; -static const unsigned char str1[]="12345678901234567890"; +static const unsigned char str1[] = "12345678901234567890"; -static const char rnd_seed[] = "string to make the random number generator think it has entropy"; +static const char rnd_seed[] = + "string to make the random number generator think it has entropy"; -static BIO *bio_err=NULL; +static BIO *bio_err = NULL; int main(int argc, char **argv) - { - BN_GENCB cb; - DSA *dsa=NULL; - int counter,ret=0,i,j; - unsigned char buf[256]; - unsigned long h; - unsigned char sig[256]; - unsigned int siglen; +{ + BN_GENCB cb; + DSA *dsa = NULL; + int counter, ret = 0, i, j; + unsigned char buf[256]; + unsigned long h; + unsigned char sig[256]; + unsigned int siglen; - if (bio_err == NULL) - bio_err=BIO_new_fp(stderr,BIO_NOCLOSE); + if (bio_err == NULL) + bio_err = BIO_new_fp(stderr, BIO_NOCLOSE); - CRYPTO_malloc_debug_init(); - CRYPTO_dbg_set_options(V_CRYPTO_MDEBUG_ALL); - CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON); + CRYPTO_malloc_debug_init(); + CRYPTO_dbg_set_options(V_CRYPTO_MDEBUG_ALL); + CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON); - ERR_load_crypto_strings(); - RAND_seed(rnd_seed, sizeof rnd_seed); + ERR_load_crypto_strings(); + RAND_seed(rnd_seed, sizeof rnd_seed); - BIO_printf(bio_err,"test generation of DSA parameters\n"); + BIO_printf(bio_err, "test generation of DSA parameters\n"); - BN_GENCB_set(&cb, dsa_cb, bio_err); - if(((dsa = DSA_new()) == NULL) || !DSA_generate_parameters_ex(dsa, 512, - seed, 20, &counter, &h, &cb)) - goto end; + BN_GENCB_set(&cb, dsa_cb, bio_err); + if (((dsa = DSA_new()) == NULL) || !DSA_generate_parameters_ex(dsa, 512, + seed, 20, + &counter, + &h, &cb)) + goto end; - BIO_printf(bio_err,"seed\n"); - for (i=0; i<20; i+=4) - { - BIO_printf(bio_err,"%02X%02X%02X%02X ", - seed[i],seed[i+1],seed[i+2],seed[i+3]); - } - BIO_printf(bio_err,"\ncounter=%d h=%ld\n",counter,h); - - DSA_print(bio_err,dsa,0); - if (counter != 105) - { - BIO_printf(bio_err,"counter should be 105\n"); - goto end; - } - if (h != 2) - { - BIO_printf(bio_err,"h should be 2\n"); - goto end; - } + BIO_printf(bio_err, "seed\n"); + for (i = 0; i < 20; i += 4) { + BIO_printf(bio_err, "%02X%02X%02X%02X ", + seed[i], seed[i + 1], seed[i + 2], seed[i + 3]); + } + BIO_printf(bio_err, "\ncounter=%d h=%ld\n", counter, h); - i=BN_bn2bin(dsa->q,buf); - j=sizeof(out_q); - if ((i != j) || (memcmp(buf,out_q,i) != 0)) - { - BIO_printf(bio_err,"q value is wrong\n"); - goto end; - } + DSA_print(bio_err, dsa, 0); + if (counter != 105) { + BIO_printf(bio_err, "counter should be 105\n"); + goto end; + } + if (h != 2) { + BIO_printf(bio_err, "h should be 2\n"); + goto end; + } - i=BN_bn2bin(dsa->p,buf); - j=sizeof(out_p); - if ((i != j) || (memcmp(buf,out_p,i) != 0)) - { - BIO_printf(bio_err,"p value is wrong\n"); - goto end; - } + i = BN_bn2bin(dsa->q, buf); + j = sizeof(out_q); + if ((i != j) || (memcmp(buf, out_q, i) != 0)) { + BIO_printf(bio_err, "q value is wrong\n"); + goto end; + } - i=BN_bn2bin(dsa->g,buf); - j=sizeof(out_g); - if ((i != j) || (memcmp(buf,out_g,i) != 0)) - { - BIO_printf(bio_err,"g value is wrong\n"); - goto end; - } + i = BN_bn2bin(dsa->p, buf); + j = sizeof(out_p); + if ((i != j) || (memcmp(buf, out_p, i) != 0)) { + BIO_printf(bio_err, "p value is wrong\n"); + goto end; + } - dsa->flags |= DSA_FLAG_NO_EXP_CONSTTIME; - DSA_generate_key(dsa); - DSA_sign(0, str1, 20, sig, &siglen, dsa); - if (DSA_verify(0, str1, 20, sig, siglen, dsa) == 1) - ret=1; + i = BN_bn2bin(dsa->g, buf); + j = sizeof(out_g); + if ((i != j) || (memcmp(buf, out_g, i) != 0)) { + BIO_printf(bio_err, "g value is wrong\n"); + goto end; + } - dsa->flags &= ~DSA_FLAG_NO_EXP_CONSTTIME; - DSA_generate_key(dsa); - DSA_sign(0, str1, 20, sig, &siglen, dsa); - if (DSA_verify(0, str1, 20, sig, siglen, dsa) == 1) - ret=1; + dsa->flags |= DSA_FLAG_NO_EXP_CONSTTIME; + DSA_generate_key(dsa); + DSA_sign(0, str1, 20, sig, &siglen, dsa); + if (DSA_verify(0, str1, 20, sig, siglen, dsa) == 1) + ret = 1; -end: - if (!ret) - ERR_print_errors(bio_err); - if (dsa != NULL) DSA_free(dsa); - CRYPTO_cleanup_all_ex_data(); - ERR_remove_thread_state(NULL); - ERR_free_strings(); - CRYPTO_mem_leaks(bio_err); - if (bio_err != NULL) - { - BIO_free(bio_err); - bio_err = NULL; - } -#ifdef OPENSSL_SYS_NETWARE - if (!ret) printf("ERROR\n"); -#endif - EXIT(!ret); - return(0); - } + dsa->flags &= ~DSA_FLAG_NO_EXP_CONSTTIME; + DSA_generate_key(dsa); + DSA_sign(0, str1, 20, sig, &siglen, dsa); + if (DSA_verify(0, str1, 20, sig, siglen, dsa) == 1) + ret = 1; + + end: + if (!ret) + ERR_print_errors(bio_err); + if (dsa != NULL) + DSA_free(dsa); + CRYPTO_cleanup_all_ex_data(); + ERR_remove_thread_state(NULL); + ERR_free_strings(); + CRYPTO_mem_leaks(bio_err); + if (bio_err != NULL) { + BIO_free(bio_err); + bio_err = NULL; + } +# ifdef OPENSSL_SYS_NETWARE + if (!ret) + printf("ERROR\n"); +# endif + EXIT(!ret); + return (0); +} static int MS_CALLBACK dsa_cb(int p, int n, BN_GENCB *arg) - { - char c='*'; - static int ok=0,num=0; +{ + char c = '*'; + static int ok = 0, num = 0; - if (p == 0) { c='.'; num++; }; - if (p == 1) c='+'; - if (p == 2) { c='*'; ok++; } - if (p == 3) c='\n'; - BIO_write(arg->arg,&c,1); - (void)BIO_flush(arg->arg); + if (p == 0) { + c = '.'; + num++; + }; + if (p == 1) + c = '+'; + if (p == 2) { + c = '*'; + ok++; + } + if (p == 3) + c = '\n'; + BIO_write(arg->arg, &c, 1); + (void)BIO_flush(arg->arg); - if (!ok && (p == 0) && (num > 1)) - { - BIO_printf((BIO *)arg,"error in dsatest\n"); - return 0; - } - return 1; - } + if (!ok && (p == 0) && (num > 1)) { + BIO_printf((BIO *)arg, "error in dsatest\n"); + return 0; + } + return 1; +} #endif |