diff options
Diffstat (limited to 'openssl/crypto/dh/dh.h')
| -rw-r--r-- | openssl/crypto/dh/dh.h | 349 |
1 files changed, 178 insertions, 171 deletions
diff --git a/openssl/crypto/dh/dh.h b/openssl/crypto/dh/dh.h index ea59e610e..4cbaa9784 100644 --- a/openssl/crypto/dh/dh.h +++ b/openssl/crypto/dh/dh.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 @@ -57,49 +57,54 @@ */ #ifndef HEADER_DH_H -#define HEADER_DH_H - -#include <openssl/e_os2.h> - -#ifdef OPENSSL_NO_DH -#error DH is disabled. -#endif - -#ifndef OPENSSL_NO_BIO -#include <openssl/bio.h> -#endif -#include <openssl/ossl_typ.h> -#ifndef OPENSSL_NO_DEPRECATED -#include <openssl/bn.h> -#endif - -#ifndef OPENSSL_DH_MAX_MODULUS_BITS -# define OPENSSL_DH_MAX_MODULUS_BITS 10000 -#endif +# define HEADER_DH_H + +# include <openssl/e_os2.h> + +# ifdef OPENSSL_NO_DH +# error DH is disabled. +# endif + +# ifndef OPENSSL_NO_BIO +# include <openssl/bio.h> +# endif +# include <openssl/ossl_typ.h> +# ifndef OPENSSL_NO_DEPRECATED +# include <openssl/bn.h> +# endif + +# ifndef OPENSSL_DH_MAX_MODULUS_BITS +# define OPENSSL_DH_MAX_MODULUS_BITS 10000 +# endif + +# define DH_FLAG_CACHE_MONT_P 0x01 + +/* + * new with 0.9.7h; the built-in DH + * 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 DH_FLAG_NO_EXP_CONSTTIME 0x02 -#define DH_FLAG_CACHE_MONT_P 0x01 -#define DH_FLAG_NO_EXP_CONSTTIME 0x02 /* new with 0.9.7h; the built-in DH - * 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 DH 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 DH 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 DH_FLAG_FIPS_METHOD 0x0400 +# define DH_FLAG_FIPS_METHOD 0x0400 -/* If this flag is set the operations normally disabled in FIPS mode are +/* + * 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 DH_FLAG_NON_FIPS_ALLOW 0x0400 +# define DH_FLAG_NON_FIPS_ALLOW 0x0400 #ifdef __cplusplus extern "C" { @@ -109,75 +114,76 @@ extern "C" { /* typedef struct dh_st DH; */ /* typedef struct dh_method DH_METHOD; */ -struct dh_method - { - const char *name; - /* Methods here */ - int (*generate_key)(DH *dh); - int (*compute_key)(unsigned char *key,const BIGNUM *pub_key,DH *dh); - int (*bn_mod_exp)(const DH *dh, BIGNUM *r, const BIGNUM *a, - const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx, - BN_MONT_CTX *m_ctx); /* Can be null */ - - int (*init)(DH *dh); - int (*finish)(DH *dh); - int flags; - char *app_data; - /* If this is non-NULL, it will be used to generate parameters */ - int (*generate_params)(DH *dh, int prime_len, int generator, BN_GENCB *cb); - }; - -struct dh_st - { - /* This first argument is used to pick up errors when - * a DH is passed instead of a EVP_PKEY */ - int pad; - int version; - BIGNUM *p; - BIGNUM *g; - long length; /* optional */ - BIGNUM *pub_key; /* g^x */ - BIGNUM *priv_key; /* x */ - - int flags; - BN_MONT_CTX *method_mont_p; - /* Place holders if we want to do X9.42 DH */ - BIGNUM *q; - BIGNUM *j; - unsigned char *seed; - int seedlen; - BIGNUM *counter; - - int references; - CRYPTO_EX_DATA ex_data; - const DH_METHOD *meth; - ENGINE *engine; - }; - -#define DH_GENERATOR_2 2 -/* #define DH_GENERATOR_3 3 */ -#define DH_GENERATOR_5 5 +struct dh_method { + const char *name; + /* Methods here */ + int (*generate_key) (DH *dh); + int (*compute_key) (unsigned char *key, const BIGNUM *pub_key, DH *dh); + /* Can be null */ + int (*bn_mod_exp) (const DH *dh, BIGNUM *r, const BIGNUM *a, + const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx, + BN_MONT_CTX *m_ctx); + int (*init) (DH *dh); + int (*finish) (DH *dh); + int flags; + char *app_data; + /* If this is non-NULL, it will be used to generate parameters */ + int (*generate_params) (DH *dh, int prime_len, int generator, + BN_GENCB *cb); +}; + +struct dh_st { + /* + * This first argument is used to pick up errors when a DH is passed + * instead of a EVP_PKEY + */ + int pad; + int version; + BIGNUM *p; + BIGNUM *g; + long length; /* optional */ + BIGNUM *pub_key; /* g^x */ + BIGNUM *priv_key; /* x */ + int flags; + BN_MONT_CTX *method_mont_p; + /* Place holders if we want to do X9.42 DH */ + BIGNUM *q; + BIGNUM *j; + unsigned char *seed; + int seedlen; + BIGNUM *counter; + int references; + CRYPTO_EX_DATA ex_data; + const DH_METHOD *meth; + ENGINE *engine; +}; + +# define DH_GENERATOR_2 2 +/* #define DH_GENERATOR_3 3 */ +# define DH_GENERATOR_5 5 /* DH_check error codes */ -#define DH_CHECK_P_NOT_PRIME 0x01 -#define DH_CHECK_P_NOT_SAFE_PRIME 0x02 -#define DH_UNABLE_TO_CHECK_GENERATOR 0x04 -#define DH_NOT_SUITABLE_GENERATOR 0x08 +# define DH_CHECK_P_NOT_PRIME 0x01 +# define DH_CHECK_P_NOT_SAFE_PRIME 0x02 +# define DH_UNABLE_TO_CHECK_GENERATOR 0x04 +# define DH_NOT_SUITABLE_GENERATOR 0x08 /* DH_check_pub_key error codes */ -#define DH_CHECK_PUBKEY_TOO_SMALL 0x01 -#define DH_CHECK_PUBKEY_TOO_LARGE 0x02 +# define DH_CHECK_PUBKEY_TOO_SMALL 0x01 +# define DH_CHECK_PUBKEY_TOO_LARGE 0x02 -/* primes p where (p-1)/2 is prime too are called "safe"; we define - this for backward compatibility: */ -#define DH_CHECK_P_NOT_STRONG_PRIME DH_CHECK_P_NOT_SAFE_PRIME +/* + * primes p where (p-1)/2 is prime too are called "safe"; we define this for + * backward compatibility: + */ +# define DH_CHECK_P_NOT_STRONG_PRIME DH_CHECK_P_NOT_SAFE_PRIME -#define d2i_DHparams_fp(fp,x) (DH *)ASN1_d2i_fp((char *(*)())DH_new, \ - (char *(*)())d2i_DHparams,(fp),(unsigned char **)(x)) -#define i2d_DHparams_fp(fp,x) ASN1_i2d_fp(i2d_DHparams,(fp), \ - (unsigned char *)(x)) -#define d2i_DHparams_bio(bp,x) ASN1_d2i_bio_of(DH,DH_new,d2i_DHparams,bp,x) -#define i2d_DHparams_bio(bp,x) ASN1_i2d_bio_of_const(DH,i2d_DHparams,bp,x) +# define d2i_DHparams_fp(fp,x) (DH *)ASN1_d2i_fp((char *(*)())DH_new, \ + (char *(*)())d2i_DHparams,(fp),(unsigned char **)(x)) +# define i2d_DHparams_fp(fp,x) ASN1_i2d_fp(i2d_DHparams,(fp), \ + (unsigned char *)(x)) +# define d2i_DHparams_bio(bp,x) ASN1_d2i_bio_of(DH,DH_new,d2i_DHparams,bp,x) +# define i2d_DHparams_bio(bp,x) ASN1_i2d_bio_of_const(DH,i2d_DHparams,bp,x) DH *DHparams_dup(DH *); @@ -188,53 +194,54 @@ const DH_METHOD *DH_get_default_method(void); int DH_set_method(DH *dh, const DH_METHOD *meth); DH *DH_new_method(ENGINE *engine); -DH * DH_new(void); -void DH_free(DH *dh); -int DH_up_ref(DH *dh); -int DH_size(const DH *dh); +DH *DH_new(void); +void DH_free(DH *dh); +int DH_up_ref(DH *dh); +int DH_size(const DH *dh); int DH_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 DH_set_ex_data(DH *d, int idx, void *arg); void *DH_get_ex_data(DH *d, int idx); /* Deprecated version */ -#ifndef OPENSSL_NO_DEPRECATED -DH * DH_generate_parameters(int prime_len,int generator, - void (*callback)(int,int,void *),void *cb_arg); -#endif /* !defined(OPENSSL_NO_DEPRECATED) */ +# ifndef OPENSSL_NO_DEPRECATED +DH *DH_generate_parameters(int prime_len, int generator, + void (*callback) (int, int, void *), void *cb_arg); +# endif /* !defined(OPENSSL_NO_DEPRECATED) */ /* New version */ -int DH_generate_parameters_ex(DH *dh, int prime_len,int generator, BN_GENCB *cb); - -int DH_check(const DH *dh,int *codes); -int DH_check_pub_key(const DH *dh,const BIGNUM *pub_key, int *codes); -int DH_generate_key(DH *dh); -int DH_compute_key(unsigned char *key,const BIGNUM *pub_key,DH *dh); -DH * d2i_DHparams(DH **a,const unsigned char **pp, long length); -int i2d_DHparams(const DH *a,unsigned char **pp); -#ifndef OPENSSL_NO_FP_API -int DHparams_print_fp(FILE *fp, const DH *x); -#endif -#ifndef OPENSSL_NO_BIO -int DHparams_print(BIO *bp, const DH *x); -#else -int DHparams_print(char *bp, const DH *x); -#endif - -#define EVP_PKEY_CTX_set_dh_paramgen_prime_len(ctx, len) \ - EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DH, EVP_PKEY_OP_PARAMGEN, \ - EVP_PKEY_CTRL_DH_PARAMGEN_PRIME_LEN, len, NULL) - -#define EVP_PKEY_CTX_set_dh_paramgen_generator(ctx, gen) \ - EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DH, EVP_PKEY_OP_PARAMGEN, \ - EVP_PKEY_CTRL_DH_PARAMGEN_GENERATOR, gen, NULL) - -#define EVP_PKEY_CTRL_DH_PARAMGEN_PRIME_LEN (EVP_PKEY_ALG_CTRL + 1) -#define EVP_PKEY_CTRL_DH_PARAMGEN_GENERATOR (EVP_PKEY_ALG_CTRL + 2) - +int DH_generate_parameters_ex(DH *dh, int prime_len, int generator, + BN_GENCB *cb); + +int DH_check(const DH *dh, int *codes); +int DH_check_pub_key(const DH *dh, const BIGNUM *pub_key, int *codes); +int DH_generate_key(DH *dh); +int DH_compute_key(unsigned char *key, const BIGNUM *pub_key, DH *dh); +DH *d2i_DHparams(DH **a, const unsigned char **pp, long length); +int i2d_DHparams(const DH *a, unsigned char **pp); +# ifndef OPENSSL_NO_FP_API +int DHparams_print_fp(FILE *fp, const DH *x); +# endif +# ifndef OPENSSL_NO_BIO +int DHparams_print(BIO *bp, const DH *x); +# else +int DHparams_print(char *bp, const DH *x); +# endif + +# define EVP_PKEY_CTX_set_dh_paramgen_prime_len(ctx, len) \ + EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DH, EVP_PKEY_OP_PARAMGEN, \ + EVP_PKEY_CTRL_DH_PARAMGEN_PRIME_LEN, len, NULL) + +# define EVP_PKEY_CTX_set_dh_paramgen_generator(ctx, gen) \ + EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DH, EVP_PKEY_OP_PARAMGEN, \ + EVP_PKEY_CTRL_DH_PARAMGEN_GENERATOR, gen, NULL) + +# define EVP_PKEY_CTRL_DH_PARAMGEN_PRIME_LEN (EVP_PKEY_ALG_CTRL + 1) +# define EVP_PKEY_CTRL_DH_PARAMGEN_GENERATOR (EVP_PKEY_ALG_CTRL + 2) /* 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_DH_strings(void); @@ -242,37 +249,37 @@ void ERR_load_DH_strings(void); /* Error codes for the DH functions. */ /* Function codes. */ -#define DH_F_COMPUTE_KEY 102 -#define DH_F_DHPARAMS_PRINT_FP 101 -#define DH_F_DH_BUILTIN_GENPARAMS 106 -#define DH_F_DH_COMPUTE_KEY 114 -#define DH_F_DH_GENERATE_KEY 115 -#define DH_F_DH_GENERATE_PARAMETERS_EX 116 -#define DH_F_DH_NEW_METHOD 105 -#define DH_F_DH_PARAM_DECODE 107 -#define DH_F_DH_PRIV_DECODE 110 -#define DH_F_DH_PRIV_ENCODE 111 -#define DH_F_DH_PUB_DECODE 108 -#define DH_F_DH_PUB_ENCODE 109 -#define DH_F_DO_DH_PRINT 100 -#define DH_F_GENERATE_KEY 103 -#define DH_F_GENERATE_PARAMETERS 104 -#define DH_F_PKEY_DH_DERIVE 112 -#define DH_F_PKEY_DH_KEYGEN 113 +# define DH_F_COMPUTE_KEY 102 +# define DH_F_DHPARAMS_PRINT_FP 101 +# define DH_F_DH_BUILTIN_GENPARAMS 106 +# define DH_F_DH_COMPUTE_KEY 114 +# define DH_F_DH_GENERATE_KEY 115 +# define DH_F_DH_GENERATE_PARAMETERS_EX 116 +# define DH_F_DH_NEW_METHOD 105 +# define DH_F_DH_PARAM_DECODE 107 +# define DH_F_DH_PRIV_DECODE 110 +# define DH_F_DH_PRIV_ENCODE 111 +# define DH_F_DH_PUB_DECODE 108 +# define DH_F_DH_PUB_ENCODE 109 +# define DH_F_DO_DH_PRINT 100 +# define DH_F_GENERATE_KEY 103 +# define DH_F_GENERATE_PARAMETERS 104 +# define DH_F_PKEY_DH_DERIVE 112 +# define DH_F_PKEY_DH_KEYGEN 113 /* Reason codes. */ -#define DH_R_BAD_GENERATOR 101 -#define DH_R_BN_DECODE_ERROR 109 -#define DH_R_BN_ERROR 106 -#define DH_R_DECODE_ERROR 104 -#define DH_R_INVALID_PUBKEY 102 -#define DH_R_KEYS_NOT_SET 108 -#define DH_R_KEY_SIZE_TOO_SMALL 110 -#define DH_R_MODULUS_TOO_LARGE 103 -#define DH_R_NON_FIPS_METHOD 111 -#define DH_R_NO_PARAMETERS_SET 107 -#define DH_R_NO_PRIVATE_VALUE 100 -#define DH_R_PARAMETER_ENCODING_ERROR 105 +# define DH_R_BAD_GENERATOR 101 +# define DH_R_BN_DECODE_ERROR 109 +# define DH_R_BN_ERROR 106 +# define DH_R_DECODE_ERROR 104 +# define DH_R_INVALID_PUBKEY 102 +# define DH_R_KEYS_NOT_SET 108 +# define DH_R_KEY_SIZE_TOO_SMALL 110 +# define DH_R_MODULUS_TOO_LARGE 103 +# define DH_R_NON_FIPS_METHOD 111 +# define DH_R_NO_PARAMETERS_SET 107 +# define DH_R_NO_PRIVATE_VALUE 100 +# define DH_R_PARAMETER_ENCODING_ERROR 105 #ifdef __cplusplus } |