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37 results

dsa-sha1-sign.c

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  • Forked from Nettle / nettle
    2084 commits behind the upstream repository.
    dsa-sha1-sign.c 1.70 KiB
    /* dsa-sha1-sign.c
     *
     * The original DSA publickey algorithm, using SHA-1.
     */
    
    /* nettle, low-level cryptographics library
     *
     * Copyright (C) 2010 Niels Möller
     *  
     * The nettle library is free software; you can redistribute it and/or modify
     * it under the terms of the GNU Lesser General Public License as published by
     * the Free Software Foundation; either version 2.1 of the License, or (at your
     * option) any later version.
     * 
     * The nettle library is distributed in the hope that it will be useful, but
     * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
     * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
     * License for more details.
     * 
     * You should have received a copy of the GNU Lesser General Public License
     * along with the nettle library; see the file COPYING.LIB.  If not, write to
     * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
     * MA 02111-1301, USA.
     */
    
    #if HAVE_CONFIG_H
    # include "config.h"
    #endif
    
    #include "dsa.h"
    
    int
    dsa_sha1_sign_digest(const struct dsa_public_key *pub,
    		     const struct dsa_private_key *key,
    		     void *random_ctx, nettle_random_func *random,
    		     const uint8_t *digest,
    		     struct dsa_signature *signature)
    {
      return _dsa_sign(pub, key, random_ctx, random,
    		   SHA1_DIGEST_SIZE, digest, signature);
    }
    
    
    int
    dsa_sha1_sign(const struct dsa_public_key *pub,
    	      const struct dsa_private_key *key,
    	      void *random_ctx, nettle_random_func *random,
    	      struct sha1_ctx *hash,
    	      struct dsa_signature *signature)
    {
      uint8_t digest[SHA1_DIGEST_SIZE];
      sha1_digest(hash, sizeof(digest), digest);
    
      return _dsa_sign(pub, key, random_ctx, random,
    		   sizeof(digest), digest, signature);
    }