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authorVadim Dashevskiy <watcherhd@gmail.com>2012-05-15 10:38:20 +0000
committerVadim Dashevskiy <watcherhd@gmail.com>2012-05-15 10:38:20 +0000
commit48540940b6c28bb4378abfeb500ec45a625b37b6 (patch)
tree2ef294c0763e802f91d868bdef4229b6868527de /plugins/CryptoPP/crypto/randpool.h
parent5c350913f011e119127baeb32a6aedeb4f0d33bc (diff)
initial commit
git-svn-id: http://svn.miranda-ng.org/main/trunk@2 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
Diffstat (limited to 'plugins/CryptoPP/crypto/randpool.h')
-rw-r--r--plugins/CryptoPP/crypto/randpool.h33
1 files changed, 33 insertions, 0 deletions
diff --git a/plugins/CryptoPP/crypto/randpool.h b/plugins/CryptoPP/crypto/randpool.h
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+++ b/plugins/CryptoPP/crypto/randpool.h
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+#ifndef CRYPTOPP_RANDPOOL_H
+#define CRYPTOPP_RANDPOOL_H
+
+#include "cryptlib.h"
+#include "filters.h"
+
+NAMESPACE_BEGIN(CryptoPP)
+
+//! Randomness Pool
+/*! This class can be used to generate cryptographic quality
+ pseudorandom bytes after seeding the pool with IncorporateEntropy() */
+class CRYPTOPP_DLL RandomPool : public RandomNumberGenerator, public NotCopyable
+{
+public:
+ RandomPool();
+
+ bool CanIncorporateEntropy() const {return true;}
+ void IncorporateEntropy(const byte *input, size_t length);
+ void GenerateIntoBufferedTransformation(BufferedTransformation &target, const std::string &channel, lword size);
+
+ // for backwards compatibility. use RandomNumberSource, RandomNumberStore, and RandomNumberSink for other BufferTransformation functionality
+ void Put(const byte *input, size_t length) {IncorporateEntropy(input, length);}
+
+private:
+ FixedSizeSecBlock<byte, 32> m_key;
+ FixedSizeSecBlock<byte, 16> m_seed;
+ member_ptr<BlockCipher> m_pCipher;
+ bool m_keySet;
+};
+
+NAMESPACE_END
+
+#endif