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-rw-r--r--CryptoPP/blumshub.h53
1 files changed, 0 insertions, 53 deletions
diff --git a/CryptoPP/blumshub.h b/CryptoPP/blumshub.h
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--- a/CryptoPP/blumshub.h
+++ /dev/null
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-#ifndef CRYPTOPP_BLUMSHUB_H
-#define CRYPTOPP_BLUMSHUB_H
-
-#include "modarith.h"
-
-NAMESPACE_BEGIN(CryptoPP)
-
-class BlumGoldwasserPublicKey;
-class BlumGoldwasserPrivateKey;
-
-//! BlumBlumShub without factorization of the modulus
-class PublicBlumBlumShub : public RandomNumberGenerator,
- public StreamTransformation
-{
-public:
- PublicBlumBlumShub(const Integer &n, const Integer &seed);
-
- unsigned int GenerateBit();
- byte GenerateByte();
- void GenerateBlock(byte *output, size_t size);
- void ProcessData(byte *outString, const byte *inString, size_t length);
-
- bool IsSelfInverting() const {return true;}
- bool IsForwardTransformation() const {return true;}
-
-protected:
- ModularArithmetic modn;
- word maxBits, bitsLeft;
- Integer current;
-
- friend class BlumGoldwasserPublicKey;
- friend class BlumGoldwasserPrivateKey;
-};
-
-//! BlumBlumShub with factorization of the modulus
-class BlumBlumShub : public PublicBlumBlumShub
-{
-public:
- // Make sure p and q are both primes congruent to 3 mod 4 and at least 512 bits long,
- // seed is the secret key and should be about as big as p*q
- BlumBlumShub(const Integer &p, const Integer &q, const Integer &seed);
-
- bool IsRandomAccess() const {return true;}
- void Seek(lword index);
-
-protected:
- const Integer p, q;
- const Integer x0;
-};
-
-NAMESPACE_END
-
-#endif