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/* $OpenBSD: ecs_sign.c,v 1.6 2015/02/08 13:35:07 jsing Exp $ */ |
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/* ==================================================================== |
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* Copyright (c) 1998-2002 The OpenSSL Project. All rights reserved. |
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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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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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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 |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* |
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* 3. All advertising materials mentioning features or use of this |
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* software must display the following acknowledgment: |
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* "This product includes software developed by the OpenSSL Project |
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* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" |
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* |
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
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* endorse or promote products derived from this software without |
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* prior written permission. For written permission, please contact |
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* openssl-core@OpenSSL.org. |
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* |
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* 5. Products derived from this software may not be called "OpenSSL" |
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* nor may "OpenSSL" appear in their names without prior written |
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* permission of the OpenSSL Project. |
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* |
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* 6. Redistributions of any form whatsoever must retain the following |
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* acknowledgment: |
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* "This product includes software developed by the OpenSSL Project |
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* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR |
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
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* OF THE POSSIBILITY OF SUCH DAMAGE. |
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* ==================================================================== |
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* |
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* This product includes cryptographic software written by Eric Young |
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* (eay@cryptsoft.com). This product includes software written by Tim |
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* Hudson (tjh@cryptsoft.com). |
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* |
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*/ |
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#include <openssl/opensslconf.h> |
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#include "ecs_locl.h" |
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#ifndef OPENSSL_NO_ENGINE |
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#include <openssl/engine.h> |
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#endif |
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ECDSA_SIG * |
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ECDSA_do_sign(const unsigned char *dgst, int dlen, EC_KEY *eckey) |
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{ |
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return ECDSA_do_sign_ex(dgst, dlen, NULL, NULL, eckey); |
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} |
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ECDSA_SIG * |
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ECDSA_do_sign_ex(const unsigned char *dgst, int dlen, const BIGNUM *kinv, |
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const BIGNUM *rp, EC_KEY *eckey) |
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{ |
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ECDSA_DATA *ecdsa = ecdsa_check(eckey); |
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✗✓ |
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if (ecdsa == NULL) |
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return NULL; |
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return ecdsa->meth->ecdsa_do_sign(dgst, dlen, kinv, rp, eckey); |
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} |
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int |
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ECDSA_sign(int type, const unsigned char *dgst, int dlen, unsigned char *sig, |
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unsigned int *siglen, EC_KEY *eckey) |
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{ |
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return ECDSA_sign_ex(type, dgst, dlen, sig, siglen, NULL, NULL, eckey); |
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} |
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int |
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ECDSA_sign_ex(int type, const unsigned char *dgst, int dlen, unsigned char *sig, |
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unsigned int *siglen, const BIGNUM *kinv, const BIGNUM *r, EC_KEY *eckey) |
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{ |
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ECDSA_SIG *s; |
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s = ECDSA_do_sign_ex(dgst, dlen, kinv, r, eckey); |
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✗✓ |
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if (s == NULL) { |
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*siglen = 0; |
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return 0; |
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} |
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*siglen = i2d_ECDSA_SIG(s, &sig); |
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ECDSA_SIG_free(s); |
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return 1; |
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} |
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int |
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ECDSA_sign_setup(EC_KEY *eckey, BN_CTX *ctx_in, BIGNUM **kinvp, BIGNUM **rp) |
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{ |
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ECDSA_DATA *ecdsa = ecdsa_check(eckey); |
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✗✓ |
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if (ecdsa == NULL) |
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return 0; |
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return ecdsa->meth->ecdsa_sign_setup(eckey, ctx_in, kinvp, rp); |
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} |