diff options
Diffstat (limited to 'openssl/crypto/asn1/t_pkey.c')
| -rw-r--r-- | openssl/crypto/asn1/t_pkey.c | 839 |
1 files changed, 839 insertions, 0 deletions
diff --git a/openssl/crypto/asn1/t_pkey.c b/openssl/crypto/asn1/t_pkey.c new file mode 100644 index 000000000..afb95d671 --- /dev/null +++ b/openssl/crypto/asn1/t_pkey.c @@ -0,0 +1,839 @@ +/* crypto/asn1/t_pkey.c */ +/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) + * All rights reserved. + * + * 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: + * 1. Redistributions of source code must retain the copyright + * 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 the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * "This product includes cryptographic software written by + * 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 + * 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 + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * 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.] + */ +/* ==================================================================== + * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. + * Binary polynomial ECC support in OpenSSL originally developed by + * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project. + */ + +#include <stdio.h> +#include "cryptlib.h" +#include <openssl/objects.h> +#include <openssl/buffer.h> +#include <openssl/bn.h> +#ifndef OPENSSL_NO_RSA +#include <openssl/rsa.h> +#endif +#ifndef OPENSSL_NO_DH +#include <openssl/dh.h> +#endif +#ifndef OPENSSL_NO_DSA +#include <openssl/dsa.h> +#endif +#ifndef OPENSSL_NO_EC +#include <openssl/ec.h> +#endif + +static int print(BIO *fp,const char *str, const BIGNUM *num, + unsigned char *buf,int off); +#ifndef OPENSSL_NO_EC +static int print_bin(BIO *fp, const char *str, const unsigned char *num, + size_t len, int off); +#endif +#ifndef OPENSSL_NO_RSA +#ifndef OPENSSL_NO_FP_API +int RSA_print_fp(FILE *fp, const RSA *x, int off) + { + BIO *b; + int ret; + + if ((b=BIO_new(BIO_s_file())) == NULL) + { + RSAerr(RSA_F_RSA_PRINT_FP,ERR_R_BUF_LIB); + return(0); + } + BIO_set_fp(b,fp,BIO_NOCLOSE); + ret=RSA_print(b,x,off); + BIO_free(b); + return(ret); + } +#endif + +int RSA_print(BIO *bp, const RSA *x, int off) + { + char str[128]; + const char *s; + unsigned char *m=NULL; + int ret=0, mod_len = 0; + size_t buf_len=0, i; + + if (x->n) + buf_len = (size_t)BN_num_bytes(x->n); + if (x->e) + if (buf_len < (i = (size_t)BN_num_bytes(x->e))) + buf_len = i; + if (x->d) + if (buf_len < (i = (size_t)BN_num_bytes(x->d))) + buf_len = i; + if (x->p) + if (buf_len < (i = (size_t)BN_num_bytes(x->p))) + buf_len = i; + if (x->q) + if (buf_len < (i = (size_t)BN_num_bytes(x->q))) + buf_len = i; + if (x->dmp1) + if (buf_len < (i = (size_t)BN_num_bytes(x->dmp1))) + buf_len = i; + if (x->dmq1) + if (buf_len < (i = (size_t)BN_num_bytes(x->dmq1))) + buf_len = i; + if (x->iqmp) + if (buf_len < (i = (size_t)BN_num_bytes(x->iqmp))) + buf_len = i; + + m=(unsigned char *)OPENSSL_malloc(buf_len+10); + if (m == NULL) + { + RSAerr(RSA_F_RSA_PRINT,ERR_R_MALLOC_FAILURE); + goto err; + } + + if (x->n != NULL) + mod_len = BN_num_bits(x->n); + + if (x->d != NULL) + { + if(!BIO_indent(bp,off,128)) + goto err; + if (BIO_printf(bp,"Private-Key: (%d bit)\n", mod_len) + <= 0) goto err; + } + + if (x->d == NULL) + BIO_snprintf(str,sizeof str,"Modulus (%d bit):", mod_len); + else + BUF_strlcpy(str,"modulus:",sizeof str); + if (!print(bp,str,x->n,m,off)) goto err; + s=(x->d == NULL)?"Exponent:":"publicExponent:"; + if ((x->e != NULL) && !print(bp,s,x->e,m,off)) + goto err; + if ((x->d != NULL) && !print(bp,"privateExponent:",x->d,m,off)) + goto err; + if ((x->p != NULL) && !print(bp,"prime1:",x->p,m,off)) + goto err; + if ((x->q != NULL) && !print(bp,"prime2:",x->q,m,off)) + goto err; + if ((x->dmp1 != NULL) && !print(bp,"exponent1:",x->dmp1,m,off)) + goto err; + if ((x->dmq1 != NULL) && !print(bp,"exponent2:",x->dmq1,m,off)) + goto err; + if ((x->iqmp != NULL) && !print(bp,"coefficient:",x->iqmp,m,off)) + goto err; + ret=1; +err: + if (m != NULL) OPENSSL_free(m); + return(ret); + } +#endif /* OPENSSL_NO_RSA */ + +#ifndef OPENSSL_NO_DSA +#ifndef OPENSSL_NO_FP_API +int DSA_print_fp(FILE *fp, const DSA *x, int off) + { + 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); + } +#endif + +int DSA_print(BIO *bp, const DSA *x, int off) + { + unsigned char *m=NULL; + int ret=0; + size_t buf_len=0,i; + + if (x->p) + buf_len = (size_t)BN_num_bytes(x->p); + else + { + DSAerr(DSA_F_DSA_PRINT,DSA_R_MISSING_PARAMETERS); + goto err; + } + if (x->q) + if (buf_len < (i = (size_t)BN_num_bytes(x->q))) + buf_len = i; + if (x->g) + if (buf_len < (i = (size_t)BN_num_bytes(x->g))) + buf_len = i; + if (x->priv_key) + if (buf_len < (i = (size_t)BN_num_bytes(x->priv_key))) + buf_len = i; + if (x->pub_key) + if (buf_len < (i = (size_t)BN_num_bytes(x->pub_key))) + buf_len = i; + + m=(unsigned char *)OPENSSL_malloc(buf_len+10); + if (m == NULL) + { + DSAerr(DSA_F_DSA_PRINT,ERR_R_MALLOC_FAILURE); + goto err; + } + + if (x->priv_key != NULL) + { + if(!BIO_indent(bp,off,128)) + goto err; + if (BIO_printf(bp,"Private-Key: (%d bit)\n",BN_num_bits(x->p)) + <= 0) goto err; + } + + if ((x->priv_key != NULL) && !print(bp,"priv:",x->priv_key,m,off)) + goto err; + if ((x->pub_key != NULL) && !print(bp,"pub: ",x->pub_key,m,off)) + goto err; + if ((x->p != NULL) && !print(bp,"P: ",x->p,m,off)) goto err; + if ((x->q != NULL) && !print(bp,"Q: ",x->q,m,off)) goto err; + if ((x->g != NULL) && !print(bp,"G: ",x->g,m,off)) goto err; + ret=1; +err: + if (m != NULL) OPENSSL_free(m); + return(ret); + } +#endif /* !OPENSSL_NO_DSA */ + +#ifndef OPENSSL_NO_EC +#ifndef OPENSSL_NO_FP_API +int ECPKParameters_print_fp(FILE *fp, const EC_GROUP *x, int off) + { + BIO *b; + int ret; + + if ((b=BIO_new(BIO_s_file())) == NULL) + { + ECerr(EC_F_ECPKPARAMETERS_PRINT_FP,ERR_R_BUF_LIB); + return(0); + } + BIO_set_fp(b, fp, BIO_NOCLOSE); + ret = ECPKParameters_print(b, x, off); + BIO_free(b); + return(ret); + } + +int EC_KEY_print_fp(FILE *fp, const EC_KEY *x, int off) + { + BIO *b; + int ret; + + if ((b=BIO_new(BIO_s_file())) == NULL) + { + ECerr(EC_F_EC_KEY_PRINT_FP, ERR_R_BIO_LIB); + return(0); + } + BIO_set_fp(b, fp, BIO_NOCLOSE); + ret = EC_KEY_print(b, x, off); + BIO_free(b); + return(ret); + } +#endif + +int ECPKParameters_print(BIO *bp, const EC_GROUP *x, int off) + { + unsigned char *buffer=NULL; + size_t buf_len=0, i; + int ret=0, reason=ERR_R_BIO_LIB; + BN_CTX *ctx=NULL; + const EC_POINT *point=NULL; + BIGNUM *p=NULL, *a=NULL, *b=NULL, *gen=NULL, + *order=NULL, *cofactor=NULL; + const unsigned char *seed; + size_t seed_len=0; + + static const char *gen_compressed = "Generator (compressed):"; + static const char *gen_uncompressed = "Generator (uncompressed):"; + static const char *gen_hybrid = "Generator (hybrid):"; + + if (!x) + { + reason = ERR_R_PASSED_NULL_PARAMETER; + goto err; + } + + if (EC_GROUP_get_asn1_flag(x)) + { + /* the curve parameter are given by an asn1 OID */ + int nid; + + if (!BIO_indent(bp, off, 128)) + goto err; + + nid = EC_GROUP_get_curve_name(x); + if (nid == 0) + goto err; + + if (BIO_printf(bp, "ASN1 OID: %s", OBJ_nid2sn(nid)) <= 0) + goto err; + if (BIO_printf(bp, "\n") <= 0) + goto err; + } + else + { + /* explicit parameters */ + int is_char_two = 0; + point_conversion_form_t form; + int tmp_nid = EC_METHOD_get_field_type(EC_GROUP_method_of(x)); + + if (tmp_nid == NID_X9_62_characteristic_two_field) + is_char_two = 1; + + if ((p = BN_new()) == NULL || (a = BN_new()) == NULL || + (b = BN_new()) == NULL || (order = BN_new()) == NULL || + (cofactor = BN_new()) == NULL) + { + reason = ERR_R_MALLOC_FAILURE; + goto err; + } + + if (is_char_two) + { + if (!EC_GROUP_get_curve_GF2m(x, p, a, b, ctx)) + { + reason = ERR_R_EC_LIB; + goto err; + } + } + else /* prime field */ + { + if (!EC_GROUP_get_curve_GFp(x, p, a, b, ctx)) + { + reason = ERR_R_EC_LIB; + goto err; + } + } + + if ((point = EC_GROUP_get0_generator(x)) == NULL) + { + reason = ERR_R_EC_LIB; + goto err; + } + if (!EC_GROUP_get_order(x, order, NULL) || + !EC_GROUP_get_cofactor(x, cofactor, NULL)) + { + reason = ERR_R_EC_LIB; + goto err; + } + + form = EC_GROUP_get_point_conversion_form(x); + + if ((gen = EC_POINT_point2bn(x, point, + form, NULL, ctx)) == NULL) + { + reason = ERR_R_EC_LIB; + goto err; + } + + buf_len = (size_t)BN_num_bytes(p); + if (buf_len < (i = (size_t)BN_num_bytes(a))) + buf_len = i; + if (buf_len < (i = (size_t)BN_num_bytes(b))) + buf_len = i; + if (buf_len < (i = (size_t)BN_num_bytes(gen))) + buf_len = i; + if (buf_len < (i = (size_t)BN_num_bytes(order))) + buf_len = i; + if (buf_len < (i = (size_t)BN_num_bytes(cofactor))) + buf_len = i; + + if ((seed = EC_GROUP_get0_seed(x)) != NULL) + seed_len = EC_GROUP_get_seed_len(x); + + buf_len += 10; + if ((buffer = OPENSSL_malloc(buf_len)) == NULL) + { + reason = ERR_R_MALLOC_FAILURE; + goto err; + } + + if (!BIO_indent(bp, off, 128)) + goto err; + + /* print the 'short name' of the field type */ + if (BIO_printf(bp, "Field Type: %s\n", OBJ_nid2sn(tmp_nid)) + <= 0) + goto err; + + if (is_char_two) + { + /* print the 'short name' of the base type OID */ + int basis_type = EC_GROUP_get_basis_type(x); + if (basis_type == 0) + goto err; + + if (!BIO_indent(bp, off, 128)) + goto err; + + if (BIO_printf(bp, "Basis Type: %s\n", + OBJ_nid2sn(basis_type)) <= 0) + goto err; + + /* print the polynomial */ + if ((p != NULL) && !print(bp, "Polynomial:", p, buffer, + off)) + goto err; + } + else + { + if ((p != NULL) && !print(bp, "Prime:", p, buffer,off)) + goto err; + } + if ((a != NULL) && !print(bp, "A: ", a, buffer, off)) + goto err; + if ((b != NULL) && !print(bp, "B: ", b, buffer, off)) + goto err; + if (form == POINT_CONVERSION_COMPRESSED) + { + if ((gen != NULL) && !print(bp, gen_compressed, gen, + buffer, off)) + goto err; + } + else if (form == POINT_CONVERSION_UNCOMPRESSED) + { + if ((gen != NULL) && !print(bp, gen_uncompressed, gen, + buffer, off)) + goto err; + } + else /* form == POINT_CONVERSION_HYBRID */ + { + if ((gen != NULL) && !print(bp, gen_hybrid, gen, + buffer, off)) + goto err; + } + if ((order != NULL) && !print(bp, "Order: ", order, + buffer, off)) goto err; + if ((cofactor != NULL) && !print(bp, "Cofactor: ", cofactor, + buffer, off)) goto err; + if (seed && !print_bin(bp, "Seed:", seed, seed_len, off)) + goto err; + } + ret=1; +err: + if (!ret) + ECerr(EC_F_ECPKPARAMETERS_PRINT, reason); + if (p) + BN_free(p); + if (a) + BN_free(a); + if (b) + BN_free(b); + if (gen) + BN_free(gen); + if (order) + BN_free(order); + if (cofactor) + BN_free(cofactor); + if (ctx) + BN_CTX_free(ctx); + if (buffer != NULL) + OPENSSL_free(buffer); + return(ret); + } + +int EC_KEY_print(BIO *bp, const EC_KEY *x, int off) + { + unsigned char *buffer=NULL; + size_t buf_len=0, i; + int ret=0, reason=ERR_R_BIO_LIB; + BIGNUM *pub_key=NULL, *order=NULL; + BN_CTX *ctx=NULL; + const EC_GROUP *group; + const EC_POINT *public_key; + const BIGNUM *priv_key; + + if (x == NULL || (group = EC_KEY_get0_group(x)) == NULL) + { + reason = ERR_R_PASSED_NULL_PARAMETER; + goto err; + } + + public_key = EC_KEY_get0_public_key(x); + if ((pub_key = EC_POINT_point2bn(group, public_key, + EC_KEY_get_conv_form(x), NULL, ctx)) == NULL) + { + reason = ERR_R_EC_LIB; + goto err; + } + + buf_len = (size_t)BN_num_bytes(pub_key); + priv_key = EC_KEY_get0_private_key(x); + if (priv_key != NULL) + { + if ((i = (size_t)BN_num_bytes(priv_key)) > buf_len) + buf_len = i; + } + + buf_len += 10; + if ((buffer = OPENSSL_malloc(buf_len)) == NULL) + { + reason = ERR_R_MALLOC_FAILURE; + goto err; + } + + if (priv_key != NULL) + { + if (!BIO_indent(bp, off, 128)) + goto err; + if ((order = BN_new()) == NULL) + goto err; + if (!EC_GROUP_get_order(group, order, NULL)) + goto err; + if (BIO_printf(bp, "Private-Key: (%d bit)\n", + BN_num_bits(order)) <= 0) goto err; + } + + if ((priv_key != NULL) && !print(bp, "priv:", priv_key, + buffer, off)) + goto err; + if ((pub_key != NULL) && !print(bp, "pub: ", pub_key, + buffer, off)) + goto err; + if (!ECPKParameters_print(bp, group, off)) + goto err; + ret=1; +err: + if (!ret) + ECerr(EC_F_EC_KEY_PRINT, reason); + if (pub_key) + BN_free(pub_key); + if (order) + BN_free(order); + if (ctx) + BN_CTX_free(ctx); + if (buffer != NULL) + OPENSSL_free(buffer); + return(ret); + } +#endif /* OPENSSL_NO_EC */ + +static int print(BIO *bp, const char *number, const BIGNUM *num, unsigned char *buf, + int off) + { + int n,i; + const char *neg; + + if (num == NULL) return(1); + neg = (BN_is_negative(num))?"-":""; + if(!BIO_indent(bp,off,128)) + return 0; + if (BN_is_zero(num)) + { + if (BIO_printf(bp, "%s 0\n", number) <= 0) + return 0; + return 1; + } + + if (BN_num_bytes(num) <= BN_BYTES) + { + if (BIO_printf(bp,"%s %s%lu (%s0x%lx)\n",number,neg, + (unsigned long)num->d[0],neg,(unsigned long)num->d[0]) + <= 0) return(0); + } + else + { + buf[0]=0; + if (BIO_printf(bp,"%s%s",number, + (neg[0] == '-')?" (Negative)":"") <= 0) + return(0); + n=BN_bn2bin(num,&buf[1]); + + if (buf[1] & 0x80) + n++; + else buf++; + + for (i=0; i<n; i++) + { + if ((i%15) == 0) + { + if(BIO_puts(bp,"\n") <= 0 + || !BIO_indent(bp,off+4,128)) + return 0; + } + if (BIO_printf(bp,"%02x%s",buf[i],((i+1) == n)?"":":") + <= 0) return(0); + } + if (BIO_write(bp,"\n",1) <= 0) return(0); + } + return(1); + } + +#ifndef OPENSSL_NO_EC +static int print_bin(BIO *fp, const char *name, const unsigned char *buf, + size_t len, int off) + { + size_t i; + char str[128]; + + if (buf == NULL) + return 1; + if (off) + { + if (off > 128) + off=128; + memset(str,' ',off); + if (BIO_write(fp, str, off) <= 0) + return 0; + } + + if (BIO_printf(fp,"%s", name) <= 0) + return 0; + + for (i=0; i<len; i++) + { + if ((i%15) == 0) + { + str[0]='\n'; + memset(&(str[1]),' ',off+4); + if (BIO_write(fp, str, off+1+4) <= 0) + return 0; + } + if (BIO_printf(fp,"%02x%s",buf[i],((i+1) == len)?"":":") <= 0) + return 0; + } + if (BIO_write(fp,"\n",1) <= 0) + return 0; + + return 1; + } +#endif + +#ifndef OPENSSL_NO_DH +#ifndef OPENSSL_NO_FP_API +int DHparams_print_fp(FILE *fp, const DH *x) + { + BIO *b; + int ret; + + if ((b=BIO_new(BIO_s_file())) == NULL) + { + DHerr(DH_F_DHPARAMS_PRINT_FP,ERR_R_BUF_LIB); + return(0); + } + BIO_set_fp(b,fp,BIO_NOCLOSE); + ret=DHparams_print(b, x); + BIO_free(b); + return(ret); + } +#endif + +int DHparams_print(BIO *bp, const DH *x) + { + unsigned char *m=NULL; + int reason=ERR_R_BUF_LIB,ret=0; + size_t buf_len=0, i; + + if (x->p) + buf_len = (size_t)BN_num_bytes(x->p); + else + { + reason = ERR_R_PASSED_NULL_PARAMETER; + goto err; + } + if (x->g) + if (buf_len < (i = (size_t)BN_num_bytes(x->g))) + buf_len = i; + m=(unsigned char *)OPENSSL_malloc(buf_len+10); + if (m == NULL) + { + reason=ERR_R_MALLOC_FAILURE; + goto err; + } + + if (BIO_printf(bp,"Diffie-Hellman-Parameters: (%d bit)\n", + BN_num_bits(x->p)) <= 0) + goto err; + if (!print(bp,"prime:",x->p,m,4)) goto err; + if (!print(bp,"generator:",x->g,m,4)) goto err; + if (x->length != 0) + { + if (BIO_printf(bp," recommended-private-length: %d bits\n", + (int)x->length) <= 0) goto err; + } + ret=1; + if (0) + { +err: + DHerr(DH_F_DHPARAMS_PRINT,reason); + } + if (m != NULL) OPENSSL_free(m); + return(ret); + } +#endif + +#ifndef OPENSSL_NO_DSA +#ifndef OPENSSL_NO_FP_API +int DSAparams_print_fp(FILE *fp, const DSA *x) + { + 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); + } +#endif + +int DSAparams_print(BIO *bp, const DSA *x) + { + unsigned char *m=NULL; + int ret=0; + size_t buf_len=0,i; + + if (x->p) + buf_len = (size_t)BN_num_bytes(x->p); + else + { + DSAerr(DSA_F_DSAPARAMS_PRINT,DSA_R_MISSING_PARAMETERS); + goto err; + } + if (x->q) + if (buf_len < (i = (size_t)BN_num_bytes(x->q))) + buf_len = i; + if (x->g) + if (buf_len < (i = (size_t)BN_num_bytes(x->g))) + buf_len = i; + m=(unsigned char *)OPENSSL_malloc(buf_len+10); + if (m == NULL) + { + DSAerr(DSA_F_DSAPARAMS_PRINT,ERR_R_MALLOC_FAILURE); + goto err; + } + + if (BIO_printf(bp,"DSA-Parameters: (%d bit)\n", + BN_num_bits(x->p)) <= 0) + goto err; + if (!print(bp,"p:",x->p,m,4)) goto err; + if ((x->q != NULL) && !print(bp,"q:",x->q,m,4)) goto err; + if ((x->g != NULL) && !print(bp,"g:",x->g,m,4)) goto err; + ret=1; +err: + if (m != NULL) OPENSSL_free(m); + return(ret); + } + +#endif /* !OPENSSL_NO_DSA */ + +#ifndef OPENSSL_NO_EC +#ifndef OPENSSL_NO_FP_API +int ECParameters_print_fp(FILE *fp, const EC_KEY *x) + { + BIO *b; + int ret; + + if ((b=BIO_new(BIO_s_file())) == NULL) + { + ECerr(EC_F_ECPARAMETERS_PRINT_FP, ERR_R_BIO_LIB); + return(0); + } + BIO_set_fp(b, fp, BIO_NOCLOSE); + ret = ECParameters_print(b, x); + BIO_free(b); + return(ret); + } +#endif + +int ECParameters_print(BIO *bp, const EC_KEY *x) + { + int reason=ERR_R_EC_LIB, ret=0; + BIGNUM *order=NULL; + const EC_GROUP *group; + + if (x == NULL || (group = EC_KEY_get0_group(x)) == NULL) + { + reason = ERR_R_PASSED_NULL_PARAMETER;; + goto err; + } + + if ((order = BN_new()) == NULL) + { + reason = ERR_R_MALLOC_FAILURE; + goto err; + } + + if (!EC_GROUP_get_order(group, order, NULL)) + { + reason = ERR_R_EC_LIB; + goto err; + } + + if (BIO_printf(bp, "ECDSA-Parameters: (%d bit)\n", + BN_num_bits(order)) <= 0) + goto err; + if (!ECPKParameters_print(bp, group, 4)) + goto err; + ret=1; +err: + if (order) + BN_free(order); + ECerr(EC_F_ECPARAMETERS_PRINT, reason); + return(ret); + } + +#endif |