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/* $OpenBSD: m_dss1.c,v 1.16 2014/07/11 08:44:48 jsing Exp $ */ |
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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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#include <stdio.h> |
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#include <openssl/opensslconf.h> |
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#ifndef OPENSSL_NO_SHA |
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#include <openssl/evp.h> |
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#include <openssl/objects.h> |
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#include <openssl/sha.h> |
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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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static int |
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init(EVP_MD_CTX *ctx) |
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{ |
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return SHA1_Init(ctx->md_data); |
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} |
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static int |
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update(EVP_MD_CTX *ctx, const void *data, size_t count) |
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{ |
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return SHA1_Update(ctx->md_data, data, count); |
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} |
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static int |
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final(EVP_MD_CTX *ctx, unsigned char *md) |
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{ |
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return SHA1_Final(md, ctx->md_data); |
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} |
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static const EVP_MD dss1_md = { |
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.type = NID_dsa, |
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.pkey_type = NID_dsaWithSHA1, |
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.md_size = SHA_DIGEST_LENGTH, |
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.flags = EVP_MD_FLAG_PKEY_DIGEST, |
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.init = init, |
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.update = update, |
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.final = final, |
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.copy = NULL, |
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.cleanup = NULL, |
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#ifndef OPENSSL_NO_DSA |
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.sign = (evp_sign_method *)DSA_sign, |
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.verify = (evp_verify_method *)DSA_verify, |
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.required_pkey_type = { |
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EVP_PKEY_DSA, EVP_PKEY_DSA2, EVP_PKEY_DSA3, EVP_PKEY_DSA4, 0, |
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}, |
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#endif |
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.block_size = SHA_CBLOCK, |
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.ctx_size = sizeof(EVP_MD *) + sizeof(SHA_CTX), |
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}; |
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const EVP_MD * |
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EVP_dss1(void) |
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{ |
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return (&dss1_md); |
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} |
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#endif |