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
|
/*
* Message Authentication Code base class
* (C) 1999-2008 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#include <botan/mac.h>
#include <botan/internal/mac_utils.h>
#include <botan/mem_ops.h>
#if defined(BOTAN_HAS_CBC_MAC)
#include <botan/cbc_mac.h>
#endif
#if defined(BOTAN_HAS_CMAC)
#include <botan/cmac.h>
#endif
#if defined(BOTAN_HAS_HMAC)
#include <botan/hmac.h>
#endif
#if defined(BOTAN_HAS_POLY1305)
#include <botan/poly1305.h>
#endif
#if defined(BOTAN_HAS_SIPHASH)
#include <botan/siphash.h>
#endif
#if defined(BOTAN_HAS_ANSI_X919_MAC)
#include <botan/x919_mac.h>
#endif
namespace Botan {
MessageAuthenticationCode::~MessageAuthenticationCode() {}
/*
* Default (deterministic) MAC verification operation
*/
bool MessageAuthenticationCode::verify_mac(const byte mac[], size_t length)
{
secure_vector<byte> our_mac = final();
if(our_mac.size() != length)
return false;
return same_mem(our_mac.data(), mac, length);
}
#if defined(BOTAN_HAS_CBC_MAC)
BOTAN_REGISTER_NAMED_T(MessageAuthenticationCode, "CBC-MAC", CBC_MAC, CBC_MAC::make);
#endif
#if defined(BOTAN_HAS_CMAC)
BOTAN_REGISTER_NAMED_T(MessageAuthenticationCode, "CMAC", CMAC, CMAC::make);
#endif
#if defined(BOTAN_HAS_HMAC)
BOTAN_REGISTER_NAMED_T(MessageAuthenticationCode, "HMAC", HMAC, HMAC::make);
#endif
#if defined(BOTAN_HAS_POLY1305)
BOTAN_REGISTER_MAC_NOARGS(Poly1305);
#endif
#if defined(BOTAN_HAS_SIPHASH)
BOTAN_REGISTER_NAMED_T_2LEN(MessageAuthenticationCode, SipHash, "SipHash", "base", 2, 4);
#endif
#if defined(BOTAN_HAS_ANSI_X919_MAC)
BOTAN_REGISTER_MAC_NAMED_NOARGS(ANSI_X919_MAC, "X9.19-MAC");
#endif
}
|
