blob: 0076bb3f72e209732916231bf43da0c92f14fc0e (
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
|
/*************************************************
* ANSI X9.31 RNG Header File *
* (C) 1999-2007 Jack Lloyd *
*************************************************/
#ifndef BOTAN_ANSI_X931_RNG_H__
#define BOTAN_ANSI_X931_RNG_H__
#include <botan/rng.h>
#include <botan/base.h>
namespace Botan {
/*************************************************
* ANSI X9.31 RNG *
*************************************************/
class BOTAN_DLL ANSI_X931_RNG : public RandomNumberGenerator
{
public:
void randomize(byte[], u32bit);
bool is_seeded() const;
void clear() throw();
std::string name() const;
ANSI_X931_RNG(const std::string&, RandomNumberGenerator*);
~ANSI_X931_RNG();
private:
void add_randomness(const byte[], u32bit);
void update_buffer();
BlockCipher* cipher;
RandomNumberGenerator* prng;
SecureVector<byte> V, R;
u32bit position;
};
}
#endif
|
