1 files changed, 0 insertions, 63 deletions
diff --git a/CryptoPP/blumshub.cpp b/CryptoPP/blumshub.cpp
deleted file mode 100644
index be9b75829..000000000
--- a/CryptoPP/blumshub.cpp
+++ /dev/null
@@ -1,63 +0,0 @@
-// blumshub.cpp - written and placed in the public domain by Wei Dai
-
-#include "pch.h"
-#include "blumshub.h"
-
-NAMESPACE_BEGIN(CryptoPP)
-
-PublicBlumBlumShub::PublicBlumBlumShub(const Integer &n, const Integer &seed)
-	: modn(n),
-	  maxBits(BitPrecision(n.BitCount())-1)
-{
-	current = modn.Square(modn.Square(seed));
-	bitsLeft = maxBits;
-}
-
-unsigned int PublicBlumBlumShub::GenerateBit()
-{
-	if (bitsLeft==0)
-	{
-		current = modn.Square(current);
-		bitsLeft = maxBits;
-	}
-
-	return current.GetBit(--bitsLeft);
-}
-
-byte PublicBlumBlumShub::GenerateByte()
-{
-	byte b=0;
-	for (int i=0; i<8; i++)
-		b = (b << 1) | PublicBlumBlumShub::GenerateBit();
-	return b;
-}
-
-void PublicBlumBlumShub::GenerateBlock(byte *output, size_t size)
-{
-	while (size--)
-		*output++ = PublicBlumBlumShub::GenerateByte();
-}
-
-void PublicBlumBlumShub::ProcessData(byte *outString, const byte *inString, size_t length)
-{
-	while (length--)
-		*outString++ = *inString++ ^ PublicBlumBlumShub::GenerateByte();
-}
-
-BlumBlumShub::BlumBlumShub(const Integer &p, const Integer &q, const Integer &seed)
-	: PublicBlumBlumShub(p*q, seed),
-	  p(p), q(q),
-	  x0(modn.Square(seed))
-{
-}
-
-void BlumBlumShub::Seek(lword index)
-{
-	Integer i(Integer::POSITIVE, index);
-	i *= 8;
-	Integer e = a_exp_b_mod_c (2, i / maxBits + 1, (p-1)*(q-1));
-	current = modn.Exponentiate(x0, e);
-	bitsLeft = maxBits - i % maxBits;
-}
-
-NAMESPACE_END