1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
|
/** \ingroup BC_m
* \file blockmode.c
*
* Block cipher operation modes, code.
*/
/*
* Copyright (c) 2000 Virtual Unlimited B.V.
*
* Author: Bob Deblier <bob@virtualunlimited.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include "system.h"
#include "blockmode.h"
#include "mp.h"
#include "debug.h"
int blockEncrypt(const blockCipher* bc, blockCipherParam* bp, cipherMode mode, int blocks, uint32* dst, const uint32* src)
{
if (bc->mode)
{
register const blockMode* bm = bc->mode+mode;
if (bm)
{
register const blockModeEncrypt be = bm->encrypt;
if (be)
return be(bp, blocks, dst, src);
}
}
return -1;
}
int blockDecrypt(const blockCipher* bc, blockCipherParam* bp, cipherMode mode, int blocks, uint32* dst, const uint32* src)
{
if (bc->mode)
{
register const blockMode* bm = bc->mode+mode;
if (bm)
{
register const blockModeEncrypt bd = bm->decrypt;
if (bd)
return bd(bp, blocks, dst, src);
}
}
return -1;
}
|
