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gumbo.scm

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    • Hugo Hörnquist's avatar
      728d722a
      Move module to (sxml gumbo). · 728d722a
      Hugo Hörnquist authored
      Earlier (sxml html) was used. But since this is a "dirty"
      implementation of HTML parsing, and not an HTML serializer I feel that
      it's better to use a more conservative name.
      728d722a
      History
      Move module to (sxml gumbo).
      Hugo Hörnquist authored
      Earlier (sxml html) was used. But since this is a "dirty"
      implementation of HTML parsing, and not an HTML serializer I feel that
      it's better to use a more conservative name.
    dsa-sha256-verify.c 1.68 KiB
    /* dsa-sha256-verify.c
    
       The DSA publickey algorithm, using SHA-256 (FIPS186-3).
    
       Copyright (C) 2010 Niels Möller
    
       This file is part of GNU Nettle.
    
       GNU Nettle is free software: you can redistribute it and/or
       modify it under the terms of either:
    
         * the GNU Lesser General Public License as published by the Free
           Software Foundation; either version 3 of the License, or (at your
           option) any later version.
    
       or
    
         * the GNU General Public License as published by the Free
           Software Foundation; either version 2 of the License, or (at your
           option) any later version.
    
       or both in parallel, as here.
    
       GNU Nettle 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
       General Public License for more details.
    
       You should have received copies of the GNU General Public License and
       the GNU Lesser General Public License along with this program.  If
       not, see http://www.gnu.org/licenses/.
    */
    
    #if HAVE_CONFIG_H
    # include "config.h"
    #endif
    
    #include "dsa-compat.h"
    
    int
    dsa_sha256_verify_digest(const struct dsa_public_key *key,
    			 const uint8_t *digest,
    			 const struct dsa_signature *signature)
    {
      return dsa_verify((const struct dsa_params *) key, key->y,
    		    SHA256_DIGEST_SIZE, digest, signature);
    }
    
    int
    dsa_sha256_verify(const struct dsa_public_key *key,
    		  struct sha256_ctx *hash,
    		  const struct dsa_signature *signature)
    {
      uint8_t digest[SHA256_DIGEST_SIZE];
      sha256_digest(hash, sizeof(digest), digest);
    
      return dsa_verify((const struct dsa_params *) key, key->y,
    		    sizeof(digest), digest, signature);
    }