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
digestmd5(const struct iovec * iov,int iovcnt,void * dest)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
digestsha1(const struct iovec * iov,int iovcnt,void * dest)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