blob: fb0cecb21467332cbd58bb82251869323d2ecb2d (
plain)
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
|
/*
* EMSA2
* (C) 1999-2007 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
#ifndef BOTAN_EMSA2_H__
#define BOTAN_EMSA2_H__
#include <botan/emsa.h>
#include <botan/hash.h>
namespace Botan {
/**
* EMSA2 from IEEE 1363
* Useful for Rabin-Williams
*/
class BOTAN_DLL EMSA2 : public EMSA
{
public:
/**
* @param hash the hash object to use
*/
EMSA2(HashFunction* hash);
~EMSA2() { delete hash; }
private:
void update(const byte[], size_t);
secure_vector<byte> raw_data();
secure_vector<byte> encoding_of(const secure_vector<byte>&, size_t,
RandomNumberGenerator& rng);
bool verify(const secure_vector<byte>&, const secure_vector<byte>&,
size_t);
secure_vector<byte> empty_hash;
HashFunction* hash;
byte hash_id;
};
}
#endif
|
