/* crypto/rsa/rsa_saos.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.] */ #include #include "cryptlib.h" #include #include #include #include int RSA_sign_ASN1_OCTET_STRING(int type, const unsigned char *m, unsigned int m_len, unsigned char *sigret, unsigned int *siglen, RSA *rsa) { ASN1_OCTET_STRING sig; int i,j,ret=1; unsigned char *p,*s; sig.type=V_ASN1_OCTET_STRING; sig.length=m_len; sig.data=(unsigned char *)m; i=i2d_ASN1_OCTET_STRING(&sig,NULL); j=RSA_size(rsa); if (i > (j-RSA_PKCS1_PADDING_SIZE)) { RSAerr(RSA_F_RSA_SIGN_ASN1_OCTET_STRING,RSA_R_DIGEST_TOO_BIG_FOR_RSA_KEY); return(0); } s=(unsigned char *)OPENSSL_malloc((unsigned int)j+1); if (s == NULL) { RSAerr(RSA_F_RSA_SIGN_ASN1_OCTET_STRING,ERR_R_MALLOC_FAILURE); return(0); } p=s; i2d_ASN1_OCTET_STRING(&sig,&p); i=RSA_private_encrypt(i,s,sigret,rsa,RSA_PKCS1_PADDING); if (i <= 0) ret=0; else *siglen=i; OPENSSL_cleanse(s,(unsigned int)j+1); OPENSSL_free(s); return(ret); } int RSA_verify_ASN1_OCTET_STRING(int dtype, const unsigned char *m, unsigned int m_len, unsigned char *sigbuf, unsigned int siglen, RSA *rsa) { int i,ret=0; unsigned char *s; const unsigned char *p; ASN1_OCTET_STRING *sig=NULL; if (siglen != (unsigned int)RSA_size(rsa)) { RSAerr(RSA_F_RSA_VERIFY_ASN1_OCTET_STRING,RSA_R_WRONG_SIGNATURE_LENGTH); return(0); } s=(unsigned char *)OPENSSL_malloc((unsigned int)siglen); if (s == NULL) { RSAerr(RSA_F_RSA_VERIFY_ASN1_OCTET_STRING,ERR_R_MALLOC_FAILURE); goto err; } i=RSA_public_decrypt((int)siglen,sigbuf,s,rsa,RSA_PKCS1_PADDING); if (i <= 0) goto err; p=s; sig=d2i_ASN1_OCTET_STRING(NULL,&p,(long)i); if (sig == NULL) goto err; if ( ((unsigned int)sig->length != m_len) || (memcmp(m,sig->data,m_len) != 0)) { RSAerr(RSA_F_RSA_VERIFY_ASN1_OCTET_STRING,RSA_R_BAD_SIGNATURE); } else ret=1; err: if (sig != NULL) M_ASN1_OCTET_STRING_free(sig); if (s != NULL) { OPENSSL_cleanse(s,(unsigned int)siglen); OPENSSL_free(s); } return(ret); } '>63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 
/* crypto/ecdsa/ecdsa_sign.c */
/* ====================================================================
 * Copyright (c) 1998-2002 The OpenSSL Project.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer. 
 *
 * 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 acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
 *
 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
 *    endorse or promote products derived from this software without
 *    prior written permission. For written permission, please contact
 *    openssl-core@OpenSSL.org.
 *
 * 5. Products derived from this software may not be called "OpenSSL"
 *    nor may "OpenSSL" appear in their names without prior written
 *    permission of the OpenSSL Project.
 *
 * 6. Redistributions of any form whatsoever must retain the following
 *    acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
 *
 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
 * EXPRESSED 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 OpenSSL PROJECT OR
 * ITS 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.
 * ====================================================================
 *
 * This product includes cryptographic software written by Eric Young
 * (eay@cryptsoft.com).  This product includes software written by Tim
 * Hudson (tjh@cryptsoft.com).
 *
 */

#include "ecs_locl.h"
#ifndef OPENSSL_NO_ENGINE
#include <openssl/engine.h>
#endif

ECDSA_SIG *ECDSA_do_sign(const unsigned char *dgst, int dlen, EC_KEY *eckey)
{
	return ECDSA_do_sign_ex(dgst, dlen, NULL, NULL, eckey);
}

ECDSA_SIG *ECDSA_do_sign_ex(const unsigned char *dgst, int dlen,
	const BIGNUM *kinv, const BIGNUM *rp, EC_KEY *eckey)
{
	ECDSA_DATA *ecdsa = ecdsa_check(eckey);
	if (ecdsa == NULL)
		return NULL;
	return ecdsa->meth->ecdsa_do_sign(dgst, dlen, kinv, rp, eckey);
}

int ECDSA_sign(int type, const unsigned char *dgst, int dlen, unsigned char 
		*sig, unsigned int *siglen, EC_KEY *eckey)
{
	return ECDSA_sign_ex(type, dgst, dlen, sig, siglen, NULL, NULL, eckey);
}

int ECDSA_sign_ex(int type, const unsigned char *dgst, int dlen, unsigned char 
	*sig, unsigned int *siglen, const BIGNUM *kinv, const BIGNUM *r, 
	EC_KEY *eckey)
{
	ECDSA_SIG *s;
	s = ECDSA_do_sign_ex(dgst, dlen, kinv, r, eckey);
	if (s == NULL)
	{
		*siglen=0;
		return 0;
	}
	*siglen = i2d_ECDSA_SIG(s, &sig);
	ECDSA_SIG_free(s);
	return 1;
}

int ECDSA_sign_setup(EC_KEY *eckey, BN_CTX *ctx_in, BIGNUM **kinvp, 
		BIGNUM **rp)
{
	ECDSA_DATA *ecdsa = ecdsa_check(eckey);
	if (ecdsa == NULL)
		return 0;
	return ecdsa->meth->ecdsa_sign_setup(eckey, ctx_in, kinvp, rp); 
}
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