/usr/include/botan-1.10/botan/randpool.h is in libbotan1.10-dev 1.10.0-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 | /*
* Randpool
* (C) 1999-2008 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
#ifndef BOTAN_RANDPOOL_H__
#define BOTAN_RANDPOOL_H__
#include <botan/rng.h>
#include <botan/block_cipher.h>
#include <botan/mac.h>
#include <vector>
namespace Botan {
/**
* Randpool
*/
class BOTAN_DLL Randpool : public RandomNumberGenerator
{
public:
void randomize(byte[], size_t);
bool is_seeded() const { return seeded; }
void clear();
std::string name() const;
void reseed(size_t bits_to_collect);
void add_entropy_source(EntropySource* es);
void add_entropy(const byte input[], size_t length);
/**
* @param cipher a block cipher to use
* @param mac a message authentication code to use
* @param pool_blocks how many cipher blocks to use for the pool
* @param iterations_before_reseed how many times we'll use the
* internal state to generate output before reseeding
*/
Randpool(BlockCipher* cipher,
MessageAuthenticationCode* mac,
size_t pool_blocks = 32,
size_t iterations_before_reseed = 128);
~Randpool();
private:
void update_buffer();
void mix_pool();
size_t ITERATIONS_BEFORE_RESEED, POOL_BLOCKS;
BlockCipher* cipher;
MessageAuthenticationCode* mac;
std::vector<EntropySource*> entropy_sources;
SecureVector<byte> pool, buffer, counter;
bool seeded;
};
}
#endif
|