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rfbcrypto_openssl.c
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1 /*
2  * rfbcrypto_openssl.c - Crypto wrapper (openssl 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 <openssl/sha.h>
26 #include <openssl/md5.h>
27 #include "rfbcrypto.h"
28 
29 void digestmd5(const struct iovec *iov, int iovcnt, void *dest)
30 {
31  MD5_CTX c;
32  int i;
33 
34  MD5_Init(&c);
35  for (i = 0; i < iovcnt; i++)
36  MD5_Update(&c, iov[i].iov_base, iov[i].iov_len);
37  MD5_Final(dest, &c);
38 }
39 
40 void digestsha1(const struct iovec *iov, int iovcnt, void *dest)
41 {
42  SHA_CTX c;
43  int i;
44 
45  SHA1_Init(&c);
46  for (i = 0; i < iovcnt; i++)
47  SHA1_Update(&c, iov[i].iov_base, iov[i].iov_len);
48  SHA1_Final(dest, &c);
49 }