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33 lines
998 B
33 lines
998 B
#ifndef CRYPTOPP_RANDPOOL_H |
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#define CRYPTOPP_RANDPOOL_H |
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#include "cryptlib.h" |
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#include "filters.h" |
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NAMESPACE_BEGIN(CryptoPP) |
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//! Randomness Pool |
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/*! This class can be used to generate cryptographic quality |
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pseudorandom bytes after seeding the pool with IncorporateEntropy() */ |
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class CRYPTOPP_DLL RandomPool : public RandomNumberGenerator, public NotCopyable |
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{ |
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public: |
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RandomPool(); |
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bool CanIncorporateEntropy() const {return true;} |
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void IncorporateEntropy(const byte *input, size_t length); |
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void GenerateIntoBufferedTransformation(BufferedTransformation &target, const std::string &channel, lword size); |
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// for backwards compatibility. use RandomNumberSource, RandomNumberStore, and RandomNumberSink for other BufferTransformation functionality |
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void Put(const byte *input, size_t length) {IncorporateEntropy(input, length);} |
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private: |
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FixedSizeSecBlock<byte, 32> m_key; |
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FixedSizeSecBlock<byte, 16> m_seed; |
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member_ptr<BlockCipher> m_pCipher; |
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bool m_keySet; |
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}; |
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NAMESPACE_END |
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#endif
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