blob: 9a93fee8fa042e481179905744e1118f01358db4 (
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
|
/*
* Auto Seeded RNG
* (C) 2008 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
#ifndef BOTAN_AUTO_SEEDING_RNG_H__
#define BOTAN_AUTO_SEEDING_RNG_H__
#include <botan/rng.h>
#include <botan/libstate.h>
#include <string>
namespace Botan {
class BOTAN_DLL AutoSeeded_RNG : public RandomNumberGenerator
{
public:
void randomize(byte out[], u32bit len)
{ rng->randomize(out, len); }
bool is_seeded() const { return rng->is_seeded(); }
void clear() { rng->clear(); }
std::string name() const { return rng->name(); }
void reseed(u32bit poll_bits = 256) { rng->reseed(poll_bits); }
void add_entropy_source(EntropySource* es)
{ rng->add_entropy_source(es); }
void add_entropy(const byte in[], u32bit len)
{ rng->add_entropy(in, len); }
AutoSeeded_RNG() { rng = &global_state().global_rng(); }
~AutoSeeded_RNG() { delete rng; }
private:
RandomNumberGenerator* rng;
};
}
#endif
|