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
28void 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
40void 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