799 lines
23 KiB
C
799 lines
23 KiB
C
/* crypto/asn1/t_pkey.c */
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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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* All rights reserved.
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*
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* This package is an SSL implementation written
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* by Eric Young (eay@cryptsoft.com).
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* The implementation was written so as to conform with Netscapes SSL.
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*
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* This library is free for commercial and non-commercial use as long as
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* the following conditions are aheared to. The following conditions
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* apply to all code found in this distribution, be it the RC4, RSA,
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* lhash, DES, etc., code; not just the SSL code. The SSL documentation
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* included with this distribution is covered by the same copyright terms
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* except that the holder is Tim Hudson (tjh@cryptsoft.com).
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*
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* Copyright remains Eric Young's, and as such any Copyright notices in
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* the code are not to be removed.
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* If this package is used in a product, Eric Young should be given attribution
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* as the author of the parts of the library used.
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* This can be in the form of a textual message at program startup or
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* in documentation (online or textual) provided with the package.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* "This product includes cryptographic software written by
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* Eric Young (eay@cryptsoft.com)"
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* The word 'cryptographic' can be left out if the rouines from the library
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* being used are not cryptographic related :-).
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* 4. If you include any Windows specific code (or a derivative thereof) from
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* the apps directory (application code) you must include an acknowledgement:
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* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
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*
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* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* The licence and distribution terms for any publically available version or
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* derivative of this code cannot be changed. i.e. this code cannot simply be
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* copied and put under another distribution licence
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* [including the GNU Public Licence.]
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*/
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/* ====================================================================
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* Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
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* Binary polynomial ECC support in OpenSSL originally developed by
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* SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
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*/
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#include <stdio.h>
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#include "cryptlib.h"
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#include <openssl/objects.h>
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#include <openssl/buffer.h>
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#include <openssl/bn.h>
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#ifndef OPENSSL_NO_RSA
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# include <openssl/rsa.h>
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#endif
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#ifndef OPENSSL_NO_DH
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# include <openssl/dh.h>
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#endif
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#ifndef OPENSSL_NO_DSA
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# include <openssl/dsa.h>
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#endif
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#ifndef OPENSSL_NO_EC
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# include <openssl/ec.h>
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#endif
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static int print(BIO *fp, const char *str, const BIGNUM *num,
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unsigned char *buf, int off);
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#ifndef OPENSSL_NO_EC
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static int print_bin(BIO *fp, const char *str, const unsigned char *num,
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size_t len, int off);
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#endif
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#ifndef OPENSSL_NO_RSA
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# ifndef OPENSSL_NO_FP_API
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int RSA_print_fp(FILE *fp, const RSA *x, int off)
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{
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BIO *b;
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int ret;
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if ((b = BIO_new(BIO_s_file())) == NULL) {
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RSAerr(RSA_F_RSA_PRINT_FP, ERR_R_BUF_LIB);
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return (0);
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}
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BIO_set_fp(b, fp, BIO_NOCLOSE);
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ret = RSA_print(b, x, off);
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BIO_free(b);
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return (ret);
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}
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# endif
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int RSA_print(BIO *bp, const RSA *x, int off)
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{
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char str[128];
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const char *s;
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unsigned char *m = NULL;
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int ret = 0, mod_len = 0;
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size_t buf_len = 0, i;
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if (x->n)
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buf_len = (size_t)BN_num_bytes(x->n);
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if (x->e)
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if (buf_len < (i = (size_t)BN_num_bytes(x->e)))
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buf_len = i;
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if (x->d)
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if (buf_len < (i = (size_t)BN_num_bytes(x->d)))
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buf_len = i;
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if (x->p)
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if (buf_len < (i = (size_t)BN_num_bytes(x->p)))
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buf_len = i;
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if (x->q)
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if (buf_len < (i = (size_t)BN_num_bytes(x->q)))
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buf_len = i;
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if (x->dmp1)
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if (buf_len < (i = (size_t)BN_num_bytes(x->dmp1)))
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buf_len = i;
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if (x->dmq1)
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if (buf_len < (i = (size_t)BN_num_bytes(x->dmq1)))
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buf_len = i;
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if (x->iqmp)
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if (buf_len < (i = (size_t)BN_num_bytes(x->iqmp)))
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buf_len = i;
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m = (unsigned char *)OPENSSL_malloc(buf_len + 10);
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if (m == NULL) {
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RSAerr(RSA_F_RSA_PRINT, ERR_R_MALLOC_FAILURE);
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goto err;
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}
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if (x->n != NULL)
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mod_len = BN_num_bits(x->n);
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if (x->d != NULL) {
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if (!BIO_indent(bp, off, 128))
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goto err;
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if (BIO_printf(bp, "Private-Key: (%d bit)\n", mod_len)
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<= 0)
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goto err;
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}
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if (x->d == NULL)
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BIO_snprintf(str, sizeof str, "Modulus (%d bit):", mod_len);
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else
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BUF_strlcpy(str, "modulus:", sizeof str);
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if (!print(bp, str, x->n, m, off))
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goto err;
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s = (x->d == NULL) ? "Exponent:" : "publicExponent:";
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if ((x->e != NULL) && !print(bp, s, x->e, m, off))
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goto err;
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if ((x->d != NULL) && !print(bp, "privateExponent:", x->d, m, off))
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goto err;
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if ((x->p != NULL) && !print(bp, "prime1:", x->p, m, off))
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goto err;
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if ((x->q != NULL) && !print(bp, "prime2:", x->q, m, off))
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goto err;
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if ((x->dmp1 != NULL) && !print(bp, "exponent1:", x->dmp1, m, off))
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goto err;
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if ((x->dmq1 != NULL) && !print(bp, "exponent2:", x->dmq1, m, off))
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goto err;
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if ((x->iqmp != NULL) && !print(bp, "coefficient:", x->iqmp, m, off))
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goto err;
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ret = 1;
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err:
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if (m != NULL)
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OPENSSL_free(m);
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return (ret);
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}
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#endif /* OPENSSL_NO_RSA */
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#ifndef OPENSSL_NO_DSA
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# ifndef OPENSSL_NO_FP_API
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int DSA_print_fp(FILE *fp, const DSA *x, int off)
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{
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BIO *b;
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int ret;
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if ((b = BIO_new(BIO_s_file())) == NULL) {
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DSAerr(DSA_F_DSA_PRINT_FP, ERR_R_BUF_LIB);
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return (0);
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}
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BIO_set_fp(b, fp, BIO_NOCLOSE);
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ret = DSA_print(b, x, off);
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BIO_free(b);
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return (ret);
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}
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# endif
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int DSA_print(BIO *bp, const DSA *x, int off)
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{
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unsigned char *m = NULL;
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int ret = 0;
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size_t buf_len = 0, i;
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if (x->p)
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buf_len = (size_t)BN_num_bytes(x->p);
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if (x->q)
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if (buf_len < (i = (size_t)BN_num_bytes(x->q)))
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buf_len = i;
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if (x->g)
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if (buf_len < (i = (size_t)BN_num_bytes(x->g)))
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buf_len = i;
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if (x->priv_key)
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if (buf_len < (i = (size_t)BN_num_bytes(x->priv_key)))
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buf_len = i;
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if (x->pub_key)
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if (buf_len < (i = (size_t)BN_num_bytes(x->pub_key)))
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buf_len = i;
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m = (unsigned char *)OPENSSL_malloc(buf_len + 10);
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if (m == NULL) {
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DSAerr(DSA_F_DSA_PRINT, ERR_R_MALLOC_FAILURE);
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goto err;
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}
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if (x->priv_key != NULL) {
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if (!BIO_indent(bp, off, 128))
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goto err;
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if (BIO_printf(bp, "Private-Key: (%d bit)\n", BN_num_bits(x->p))
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<= 0)
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goto err;
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}
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if ((x->priv_key != NULL) && !print(bp, "priv:", x->priv_key, m, off))
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goto err;
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if ((x->pub_key != NULL) && !print(bp, "pub: ", x->pub_key, m, off))
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goto err;
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if ((x->p != NULL) && !print(bp, "P: ", x->p, m, off))
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goto err;
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if ((x->q != NULL) && !print(bp, "Q: ", x->q, m, off))
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goto err;
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if ((x->g != NULL) && !print(bp, "G: ", x->g, m, off))
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goto err;
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ret = 1;
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err:
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if (m != NULL)
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OPENSSL_free(m);
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return (ret);
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}
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#endif /* !OPENSSL_NO_DSA */
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#ifndef OPENSSL_NO_EC
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# ifndef OPENSSL_NO_FP_API
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int ECPKParameters_print_fp(FILE *fp, const EC_GROUP *x, int off)
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{
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BIO *b;
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int ret;
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if ((b = BIO_new(BIO_s_file())) == NULL) {
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ECerr(EC_F_ECPKPARAMETERS_PRINT_FP, ERR_R_BUF_LIB);
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return (0);
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}
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BIO_set_fp(b, fp, BIO_NOCLOSE);
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ret = ECPKParameters_print(b, x, off);
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BIO_free(b);
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return (ret);
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}
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int EC_KEY_print_fp(FILE *fp, const EC_KEY *x, int off)
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{
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BIO *b;
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int ret;
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if ((b = BIO_new(BIO_s_file())) == NULL) {
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ECerr(EC_F_EC_KEY_PRINT_FP, ERR_R_BIO_LIB);
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return (0);
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}
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BIO_set_fp(b, fp, BIO_NOCLOSE);
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ret = EC_KEY_print(b, x, off);
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BIO_free(b);
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return (ret);
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}
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# endif
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int ECPKParameters_print(BIO *bp, const EC_GROUP *x, int off)
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{
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unsigned char *buffer = NULL;
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size_t buf_len = 0, i;
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int ret = 0, reason = ERR_R_BIO_LIB;
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BN_CTX *ctx = NULL;
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const EC_POINT *point = NULL;
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BIGNUM *p = NULL, *a = NULL, *b = NULL, *gen = NULL,
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*order = NULL, *cofactor = NULL;
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const unsigned char *seed;
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size_t seed_len = 0;
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static const char *gen_compressed = "Generator (compressed):";
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static const char *gen_uncompressed = "Generator (uncompressed):";
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static const char *gen_hybrid = "Generator (hybrid):";
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if (!x) {
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reason = ERR_R_PASSED_NULL_PARAMETER;
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goto err;
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}
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if (EC_GROUP_get_asn1_flag(x)) {
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/* the curve parameter are given by an asn1 OID */
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int nid;
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|
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if (!BIO_indent(bp, off, 128))
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goto err;
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nid = EC_GROUP_get_curve_name(x);
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if (nid == 0)
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goto err;
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if (BIO_printf(bp, "ASN1 OID: %s", OBJ_nid2sn(nid)) <= 0)
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goto err;
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if (BIO_printf(bp, "\n") <= 0)
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goto err;
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} else {
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/* explicit parameters */
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int is_char_two = 0;
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point_conversion_form_t form;
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int tmp_nid = EC_METHOD_get_field_type(EC_GROUP_method_of(x));
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if (tmp_nid == NID_X9_62_characteristic_two_field)
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is_char_two = 1;
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if ((p = BN_new()) == NULL || (a = BN_new()) == NULL ||
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(b = BN_new()) == NULL || (order = BN_new()) == NULL ||
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(cofactor = BN_new()) == NULL) {
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reason = ERR_R_MALLOC_FAILURE;
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goto err;
|
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}
|
|
|
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if (is_char_two) {
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if (!EC_GROUP_get_curve_GF2m(x, p, a, b, ctx)) {
|
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reason = ERR_R_EC_LIB;
|
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goto err;
|
|
}
|
|
} else { /* prime field */
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|
|
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if (!EC_GROUP_get_curve_GFp(x, p, a, b, ctx)) {
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reason = ERR_R_EC_LIB;
|
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goto err;
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}
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}
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|
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if ((point = EC_GROUP_get0_generator(x)) == NULL) {
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reason = ERR_R_EC_LIB;
|
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goto err;
|
|
}
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if (!EC_GROUP_get_order(x, order, NULL) ||
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!EC_GROUP_get_cofactor(x, cofactor, NULL)) {
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|
reason = ERR_R_EC_LIB;
|
|
goto err;
|
|
}
|
|
|
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form = EC_GROUP_get_point_conversion_form(x);
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|
|
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if ((gen = EC_POINT_point2bn(x, point, form, NULL, ctx)) == NULL) {
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reason = ERR_R_EC_LIB;
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goto err;
|
|
}
|
|
|
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buf_len = (size_t)BN_num_bytes(p);
|
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if (buf_len < (i = (size_t)BN_num_bytes(a)))
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|
buf_len = i;
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|
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
|