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40 results

umac.h

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    • Nikos Mavrogiannopoulos's avatar
      da81c86a
      abi: explicitly export intended symbols and hide others · da81c86a
      Nikos Mavrogiannopoulos authored and Niels Möller's avatar Niels Möller committed
      This adds all exported symbols in the map files explicitly under
      the following rules:
       - Symbols mentioned in internal headers go in a section which is
         valid only for testing, and linking with these symbols will break
         in library updates.
       - Symbols mentioned in installed headers go in the exported sections
         and are considered part of the ABI.
       - All internal symbols move to internal headers.
       - The _nettle_md5_compress and _nettle_sha1_compress become exported
         without the _nettle prefix, due to existing usage.
      da81c86a
      History
      abi: explicitly export intended symbols and hide others
      Nikos Mavrogiannopoulos authored and Niels Möller's avatar Niels Möller committed
      This adds all exported symbols in the map files explicitly under
      the following rules:
       - Symbols mentioned in internal headers go in a section which is
         valid only for testing, and linking with these symbols will break
         in library updates.
       - Symbols mentioned in installed headers go in the exported sections
         and are considered part of the ABI.
       - All internal symbols move to internal headers.
       - The _nettle_md5_compress and _nettle_sha1_compress become exported
         without the _nettle prefix, due to existing usage.
    rsa-md5-verify.c 1.72 KiB
    /* rsa-md5-verify.c
    
       Verifying signatures created with RSA and MD5.
    
       Copyright (C) 2001, 2003 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 <assert.h>
    
    #include "rsa.h"
    
    #include "bignum.h"
    #include "pkcs1.h"
    
    int
    rsa_md5_verify(const struct rsa_public_key *key,
                   struct md5_ctx *hash,
                   const mpz_t s)
    {
      int res;
      mpz_t m;
    
      mpz_init(m);
    
      res = (pkcs1_rsa_md5_encode(m, key->size, hash)
    	 && _rsa_verify(key, m, s));
    
      mpz_clear(m);
    
      return res;
    }
    
    int
    rsa_md5_verify_digest(const struct rsa_public_key *key,
    		      const uint8_t *digest,
    		      const mpz_t s)
    {
      int res;
      mpz_t m;
    
      mpz_init(m);
      
      res = (pkcs1_rsa_md5_encode_digest(m, key->size, digest)
    	 && _rsa_verify(key, m, s));
    
      mpz_clear(m);
    
      return res;
    }