1 files changed, 0 insertions, 213 deletions

diff --git a/lib/cryptopp/seal.cpp b/lib/cryptopp/seal.cpp
deleted file mode 100644
index f49b52203..000000000
--- a/lib/cryptopp/seal.cpp
+++ /dev/null
@@ -1,213 +0,0 @@
-// seal.cpp - written and placed in the public domain by Wei Dai
-// updated to SEAL 3.0 by Leonard Janke
-
-#include "pch.h"
-
-#include "seal.h"
-#include "sha.h"
-#include "misc.h"
-
-NAMESPACE_BEGIN(CryptoPP)
-
-void SEAL_TestInstantiations()
-{
-	SEAL<>::Encryption x;
-}
-
-struct SEAL_Gamma
-{
-	SEAL_Gamma(const byte *key)
-		: H(5), Z(5), D(16), lastIndex(0xffffffff)
-	{
-		GetUserKey(BIG_ENDIAN_ORDER, H.begin(), 5, key, 20);
-		memset(D, 0, 64);
-	}
-
-	word32 Apply(word32 i);
-
-	SecBlock<word32> H, Z, D;
-	word32 lastIndex;
-};
-
-word32 SEAL_Gamma::Apply(word32 i)
-{
-	word32 shaIndex = i/5;
-	if (shaIndex != lastIndex)
-	{
-		memcpy(Z, H, 20);
-		D[0] = shaIndex;
-		SHA::Transform(Z, D);
-		lastIndex = shaIndex;
-	}
-	return Z[i%5];
-}
-
-template <class B>
-void SEAL_Policy<B>::CipherSetKey(const NameValuePairs &params, const byte *key, size_t length)
-{
-	m_insideCounter = m_outsideCounter = m_startCount = 0;
-
-	unsigned int L = params.GetIntValueWithDefault("NumberOfOutputBitsPerPositionIndex", 32*1024);
-	m_iterationsPerCount = L / 8192;
-
-	SEAL_Gamma gamma(key);
-	unsigned int i;
-
-	for (i=0; i<512; i++)
-		m_T[i] = gamma.Apply(i);
-
-	for (i=0; i<256; i++)
-		m_S[i] = gamma.Apply(0x1000+i);
-
-	m_R.New(4*(L/8192));
-
-	for (i=0; i<m_R.size(); i++)
-		m_R[i] = gamma.Apply(0x2000+i);
-}
-
-template <class B>
-void SEAL_Policy<B>::CipherResynchronize(byte *keystreamBuffer, const byte *IV, size_t length)
-{
-	assert(length==4);
-	m_outsideCounter = IV ? GetWord<word32>(false, BIG_ENDIAN_ORDER, IV) : 0;
-	m_startCount = m_outsideCounter;
-	m_insideCounter = 0;
-}
-
-template <class B>
-void SEAL_Policy<B>::SeekToIteration(lword iterationCount)
-{
-	m_outsideCounter = m_startCount + (unsigned int)(iterationCount / m_iterationsPerCount);
-	m_insideCounter = (unsigned int)(iterationCount % m_iterationsPerCount);
-}
-
-template <class B>
-void SEAL_Policy<B>::OperateKeystream(KeystreamOperation operation, byte *output, const byte *input, size_t iterationCount)
-{
-	word32 a, b, c, d, n1, n2, n3, n4;
-	unsigned int p, q;
-
-	for (size_t iteration = 0; iteration < iterationCount; ++iteration)
-	{
-#define Ttab(x) *(word32 *)((byte *)m_T.begin()+x)
-
-		a = m_outsideCounter ^ m_R[4*m_insideCounter];
-		b = rotrFixed(m_outsideCounter, 8U) ^ m_R[4*m_insideCounter+1];
-		c = rotrFixed(m_outsideCounter, 16U) ^ m_R[4*m_insideCounter+2];
-		d = rotrFixed(m_outsideCounter, 24U) ^ m_R[4*m_insideCounter+3];
-
-		for (unsigned int j=0; j<2; j++)
-		{
-			p = a & 0x7fc;
-			b += Ttab(p);
-			a = rotrFixed(a, 9U);
-
-			p = b & 0x7fc;
-			c += Ttab(p);
-			b = rotrFixed(b, 9U);
-
-			p = c & 0x7fc;
-			d += Ttab(p);
-			c = rotrFixed(c, 9U);
-
-			p = d & 0x7fc;
-			a += Ttab(p);
-			d = rotrFixed(d, 9U);
-		}
-
-		n1 = d, n2 = b, n3 = a, n4 = c;
-
-		p = a & 0x7fc;
-		b += Ttab(p);
-		a = rotrFixed(a, 9U);
-
-		p = b & 0x7fc;
-		c += Ttab(p);
-		b = rotrFixed(b, 9U);
-
-		p = c & 0x7fc;
-		d += Ttab(p);
-		c = rotrFixed(c, 9U);
-
-		p = d & 0x7fc;
-		a += Ttab(p);
-		d = rotrFixed(d, 9U);
-		
-		// generate 8192 bits
-		for (unsigned int i=0; i<64; i++)
-		{
-			p = a & 0x7fc;
-			a = rotrFixed(a, 9U);
-			b += Ttab(p);
-			b ^= a;
-
-			q = b & 0x7fc;
-			b = rotrFixed(b, 9U);
-			c ^= Ttab(q);
-			c += b;
-
-			p = (p+c) & 0x7fc;
-			c = rotrFixed(c, 9U);
-			d += Ttab(p);
-			d ^= c;
-
-			q = (q+d) & 0x7fc;
-			d = rotrFixed(d, 9U);
-			a ^= Ttab(q);
-			a += d;
-
-			p = (p+a) & 0x7fc;
-			b ^= Ttab(p);
-			a = rotrFixed(a, 9U);
-
-			q = (q+b) & 0x7fc;
-			c += Ttab(q);
-			b = rotrFixed(b, 9U);
-
-			p = (p+c) & 0x7fc;
-			d ^= Ttab(p);
-			c = rotrFixed(c, 9U);
-
-			q = (q+d) & 0x7fc;
-			d = rotrFixed(d, 9U);
-			a += Ttab(q);
-
-#define SEAL_OUTPUT(x)	\
-	CRYPTOPP_KEYSTREAM_OUTPUT_WORD(x, B::ToEnum(), 0, b + m_S[4*i+0]);\
-	CRYPTOPP_KEYSTREAM_OUTPUT_WORD(x, B::ToEnum(), 1, c ^ m_S[4*i+1]);\
-	CRYPTOPP_KEYSTREAM_OUTPUT_WORD(x, B::ToEnum(), 2, d + m_S[4*i+2]);\
-	CRYPTOPP_KEYSTREAM_OUTPUT_WORD(x, B::ToEnum(), 3, a ^ m_S[4*i+3]);
-
-			CRYPTOPP_KEYSTREAM_OUTPUT_SWITCH(SEAL_OUTPUT, 4*4);
-
-			if (i & 1)
-			{
-				a += n3;
-				b += n4;
-				c ^= n3;
-				d ^= n4;
-			}
-			else
-			{
-				a += n1;
-				b += n2;        
-				c ^= n1;
-				d ^= n2;
-			}
-		}
-
-		if (++m_insideCounter == m_iterationsPerCount)
-		{
-			++m_outsideCounter;
-			m_insideCounter = 0;
-		}
-	}
-
-	a = b = c = d = n1 = n2 = n3 = n4 = 0;
-	p = q = 0;
-}
-
-template class SEAL_Policy<BigEndian>;
-template class SEAL_Policy<LittleEndian>;
-
-NAMESPACE_END