X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=crypto%2Fasn1%2Ft_pkey.c;h=3b2c9df8917f465f5a8ea9ce345d647946f12124;hp=afb95d67121a0995b2f7cd3ecf29df0d92f9d0e1;hb=8aa9cf7e655ae1e41f283fbf16dcc810970058a0;hpb=4141c803d8cad444d251cabe185660b097ae815f diff --git a/crypto/asn1/t_pkey.c b/crypto/asn1/t_pkey.c index afb95d6712..3b2c9df891 100644 --- a/crypto/asn1/t_pkey.c +++ b/crypto/asn1/t_pkey.c @@ -1,839 +1,93 @@ -/* crypto/asn1/t_pkey.c */ -/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) - * All rights reserved. +/* + * Copyright 1995-2016 The OpenSSL Project Authors. 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. + * Licensed under the OpenSSL license (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html */ #include -#include "cryptlib.h" +#include "internal/cryptlib.h" #include #include -#include -#ifndef OPENSSL_NO_RSA -#include -#endif -#ifndef OPENSSL_NO_DH -#include -#endif -#ifndef OPENSSL_NO_DSA -#include -#endif -#ifndef OPENSSL_NO_EC -#include -#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 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; ip) - 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 +#include "internal/bn_int.h" + +/* Number of octets per line */ +#define ASN1_BUF_PRINT_WIDTH 15 +/* Maximum indent */ +#define ASN1_PRINT_MAX_INDENT 128 + +int ASN1_buf_print(BIO *bp, const unsigned char *buf, size_t buflen, int indent) +{ + size_t i; + + for (i = 0; i < buflen; i++) { + if ((i % ASN1_BUF_PRINT_WIDTH) == 0) { + if (i > 0 && BIO_puts(bp, "\n") <= 0) + return 0; + if (!BIO_indent(bp, indent, ASN1_PRINT_MAX_INDENT)) + return 0; + } + /* + * Use colon separators for each octet for compatibility as + * this function is used to print out key components. + */ + if (BIO_printf(bp, "%02x%s", buf[i], + (i == buflen - 1) ? "" : ":") <= 0) + return 0; + } + if (BIO_write(bp, "\n", 1) <= 0) + return 0; + return 1; +} + +int ASN1_bn_print(BIO *bp, const char *number, const BIGNUM *num, + unsigned char *ign, int indent) +{ + int n, rv = 0; + const char *neg; + unsigned char *buf = NULL, *tmp = NULL; + int buflen; + + if (num == NULL) + return 1; + neg = BN_is_negative(num) ? "-" : ""; + if (!BIO_indent(bp, indent, ASN1_PRINT_MAX_INDENT)) + 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)bn_get_words(num)[0], neg, + (unsigned long)bn_get_words(num)[0]) <= 0) + return 0; + return 1; + } + + buflen = BN_num_bytes(num) + 1; + buf = tmp = OPENSSL_malloc(buflen); + if (buf == NULL) + goto err; + buf[0] = 0; + if (BIO_printf(bp, "%s%s\n", number, + (neg[0] == '-') ? " (Negative)" : "") <= 0) + goto err; + n = BN_bn2bin(num, buf + 1); + + if (buf[1] & 0x80) + n++; + else + tmp++; + + if (ASN1_buf_print(bp, tmp, n, indent + 4) == 0) + goto err; + rv = 1; + err: + OPENSSL_clear_free(buf, buflen); + return rv; +}