From f424a18112032cf61d2871a6b91a5af607c171ae Mon Sep 17 00:00:00 2001
From: Kirill Volinsky <mataes2007@gmail.com>
Date: Fri, 20 Jul 2012 16:21:49 +0000
Subject: CryptoPP: changed folder structure

git-svn-id: http://svn.miranda-ng.org/main/trunk@1083 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
---
 plugins/CryptoPP/crypto/src/blumshub.h | 53 ++++++++++++++++++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100644 plugins/CryptoPP/crypto/src/blumshub.h

(limited to 'plugins/CryptoPP/crypto/src/blumshub.h')

diff --git a/plugins/CryptoPP/crypto/src/blumshub.h b/plugins/CryptoPP/crypto/src/blumshub.h
new file mode 100644
index 0000000000..538c1520d5
--- /dev/null
+++ b/plugins/CryptoPP/crypto/src/blumshub.h
@@ -0,0 +1,53 @@
+#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
-- 
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