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Diffstat (limited to 'modules/rng/randpool/randpool.h')
-rw-r--r-- | modules/rng/randpool/randpool.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/modules/rng/randpool/randpool.h b/modules/rng/randpool/randpool.h new file mode 100644 index 000000000..b68dec765 --- /dev/null +++ b/modules/rng/randpool/randpool.h @@ -0,0 +1,47 @@ +/************************************************* +* Randpool Header File * +* (C) 1999-2008 Jack Lloyd * +*************************************************/ + +#ifndef BOTAN_RANDPOOL_H__ +#define BOTAN_RANDPOOL_H__ + +#include <botan/rng.h> +#include <botan/base.h> +#include <vector> + +namespace Botan { + +/************************************************* +* Randpool * +*************************************************/ +class BOTAN_DLL Randpool : public RandomNumberGenerator + { + public: + void randomize(byte[], u32bit); + bool is_seeded() const; + void clear() throw(); + std::string name() const; + + void reseed(); + void add_entropy_source(EntropySource*); + void add_entropy(const byte[], u32bit); + + Randpool(const std::string&, const std::string&); + ~Randpool(); + private: + void update_buffer(); + void mix_pool(); + + const u32bit ITERATIONS_BEFORE_RESEED, POOL_BLOCKS; + BlockCipher* cipher; + MessageAuthenticationCode* mac; + + std::vector<EntropySource*> entropy_sources; + SecureVector<byte> pool, buffer, counter; + u32bit entropy; + }; + +} + +#endif |