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
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
|
/*
* Copyright (c) 2011, NVIDIA CORPORATION
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of NVIDIA CORPORATION nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include <iostream>
using std::cout;
using std::cerr;
using std::endl;
#include <iomanip>
using std::hex;
#include <string>
using std::string;
#include <cstdlib>
using std::exit;
#define CRYPTOPP_INCLUDE_CRYPTLIB <CRYPTOLIB_HEADER_PREFIX/cryptlib.h>
#define CRYPTOPP_INCLUDE_CMAC <CRYPTOLIB_HEADER_PREFIX/cmac.h>
#define CRYPTOPP_INCLUDE_AES <CRYPTOLIB_HEADER_PREFIX/aes.h>
#define CRYPTOPP_INCLUDE_HEX <CRYPTOLIB_HEADER_PREFIX/hex.h>
#define CRYPTOPP_INCLUDE_FILTERS <CRYPTOLIB_HEADER_PREFIX/filters.h>
#define CRYPTOPP_INCLUDE_SECBLOCK <CRYPTOLIB_HEADER_PREFIX/secblock.h>
#include CRYPTOPP_INCLUDE_CRYPTLIB
#include CRYPTOPP_INCLUDE_CMAC
#include CRYPTOPP_INCLUDE_AES
#include CRYPTOPP_INCLUDE_HEX
#include CRYPTOPP_INCLUDE_FILTERS
#include CRYPTOPP_INCLUDE_SECBLOCK
using CryptoPP::Exception;
using CryptoPP::CMAC;
using CryptoPP::AES;
using CryptoPP::HexEncoder;
using CryptoPP::HexDecoder;
using CryptoPP::StringSink;
using CryptoPP::StringSource;
using CryptoPP::HashFilter;
using CryptoPP::HashVerificationFilter;
using CryptoPP::SecByteBlock;
extern "C" int cmac_hash(const unsigned char *msg, int len, unsigned char *cmac_buf)
{
SecByteBlock key(NULL, AES::DEFAULT_KEYLENGTH);
string plain((const char *)msg, len);
string mac, encoded;
try {
CMAC<AES> cmac(key, key.size());
StringSource(plain, true,
new HashFilter(cmac,
new StringSink(mac)
) // HashFilter
); // StringSource
}
catch(const CryptoPP::Exception& e) {
cerr << e.what() << endl;
return 1;
}
memcpy(cmac_buf, mac.data(), mac.length());
return 0;
}
|
