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      1 /*
      2  * rfbcrypto_gnutls.c - Crypto wrapper (gnutls version)
      3  */
      4 
      5 /*
      6  *  Copyright (C) 2011 Gernot Tenchio
      7  *
      8  *  This is free software; you can redistribute it and/or modify
      9  *  it under the terms of the GNU General Public License as published by
     10  *  the Free Software Foundation; either version 2 of the License, or
     11  *  (at your option) any later version.
     12  *
     13  *  This software is distributed in the hope that it will be useful,
     14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
     15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     16  *  GNU General Public License for more details.
     17  *
     18  *  You should have received a copy of the GNU General Public License
     19  *  along with this software; if not, write to the Free Software
     20  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,
     21  *  USA.
     22  */
     23 
     24 #include <string.h>
     25 #include <gcrypt.h>
     26 #include "rfbcrypto.h"
     27 
     28 void digestmd5(const struct iovec *iov, int iovcnt, void *dest)
     29 {
     30     gcry_md_hd_t c;
     31     int i;
     32 
     33     gcry_md_open(&c, GCRY_MD_MD5, 0);
     34     for (i = 0; i < iovcnt; i++)
     35 	gcry_md_write(c, iov[i].iov_base, iov[i].iov_len);
     36     gcry_md_final(c);
     37     memcpy(dest, gcry_md_read(c, 0), gcry_md_get_algo_dlen(GCRY_MD_MD5));
     38 }
     39 
     40 void digestsha1(const struct iovec *iov, int iovcnt, void *dest)
     41 {
     42     gcry_md_hd_t c;
     43     int i;
     44 
     45     gcry_md_open(&c, GCRY_MD_SHA1, 0);
     46     for (i = 0; i < iovcnt; i++)
     47 	gcry_md_write(c, iov[i].iov_base, iov[i].iov_len);
     48     gcry_md_final(c);
     49     memcpy(dest, gcry_md_read(c, 0), gcry_md_get_algo_dlen(GCRY_MD_SHA1));
     50 }
     51