blob: 120cb0cd3a1d20d6a89ebdce4ac9b7e0bd138482 (
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
46
47
48
|
/*
* EMSA1
* (C) 1999-2007 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
#ifndef BOTAN_EMSA1_H__
#define BOTAN_EMSA1_H__
#include <botan/emsa.h>
#include <botan/hash.h>
namespace Botan {
/**
* EMSA1 from IEEE 1363
* Essentially, sign the hash directly
*/
class BOTAN_DLL EMSA1 : public EMSA
{
public:
/**
* @param h the hash object to use
*/
EMSA1(HashFunction* h) : hash(h) {}
~EMSA1() { delete hash; }
protected:
/**
* @return const pointer to the underlying hash
*/
const HashFunction* hash_ptr() const { return hash; }
private:
void update(const byte[], size_t);
SecureVector<byte> raw_data();
SecureVector<byte> encoding_of(const MemoryRegion<byte>&, size_t,
RandomNumberGenerator& rng);
bool verify(const MemoryRegion<byte>&, const MemoryRegion<byte>&,
size_t);
HashFunction* hash;
};
}
#endif
|
