1 files changed, 0 insertions, 221 deletions

diff --git a/lib/cryptopp/rabin.cpp b/lib/cryptopp/rabin.cpp
deleted file mode 100644
index d496333b5..000000000
--- a/lib/cryptopp/rabin.cpp
+++ /dev/null
@@ -1,221 +0,0 @@
-// rabin.cpp - written and placed in the public domain by Wei Dai
-
-#include "pch.h"
-#include "rabin.h"
-#include "nbtheory.h"
-#include "asn.h"
-#include "sha.h"
-#include "modarith.h"
-
-NAMESPACE_BEGIN(CryptoPP)
-
-void RabinFunction::BERDecode(BufferedTransformation &bt)
-{
-	BERSequenceDecoder seq(bt);
-	m_n.BERDecode(seq);
-	m_r.BERDecode(seq);
-	m_s.BERDecode(seq);
-	seq.MessageEnd();
-}
-
-void RabinFunction::DEREncode(BufferedTransformation &bt) const
-{
-	DERSequenceEncoder seq(bt);
-	m_n.DEREncode(seq);
-	m_r.DEREncode(seq);
-	m_s.DEREncode(seq);
-	seq.MessageEnd();
-}
-
-Integer RabinFunction::ApplyFunction(const Integer &in) const
-{
-	DoQuickSanityCheck();
-
-	Integer out = in.Squared()%m_n;
-	if (in.IsOdd())
-		out = out*m_r%m_n;
-	if (Jacobi(in, m_n)==-1)
-		out = out*m_s%m_n;
-	return out;
-}
-
-bool RabinFunction::Validate(RandomNumberGenerator &rng, unsigned int level) const
-{
-	bool pass = true;
-	pass = pass && m_n > Integer::One() && m_n%4 == 1;
-	pass = pass && m_r > Integer::One() && m_r < m_n;
-	pass = pass && m_s > Integer::One() && m_s < m_n;
-	if (level >= 1)
-		pass = pass && Jacobi(m_r, m_n) == -1 && Jacobi(m_s, m_n) == -1;
-	return pass;
-}
-
-bool RabinFunction::GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const
-{
-	return GetValueHelper(this, name, valueType, pValue).Assignable()
-		CRYPTOPP_GET_FUNCTION_ENTRY(Modulus)
-		CRYPTOPP_GET_FUNCTION_ENTRY(QuadraticResidueModPrime1)
-		CRYPTOPP_GET_FUNCTION_ENTRY(QuadraticResidueModPrime2)
-		;
-}
-
-void RabinFunction::AssignFrom(const NameValuePairs &source)
-{
-	AssignFromHelper(this, source)
-		CRYPTOPP_SET_FUNCTION_ENTRY(Modulus)
-		CRYPTOPP_SET_FUNCTION_ENTRY(QuadraticResidueModPrime1)
-		CRYPTOPP_SET_FUNCTION_ENTRY(QuadraticResidueModPrime2)
-		;
-}
-
-// *****************************************************************************
-// private key operations:
-
-// generate a random private key
-void InvertibleRabinFunction::GenerateRandom(RandomNumberGenerator &rng, const NameValuePairs &alg)
-{
-	int modulusSize = 2048;
-	alg.GetIntValue("ModulusSize", modulusSize) || alg.GetIntValue("KeySize", modulusSize);
-
-	if (modulusSize < 16)
-		throw InvalidArgument("InvertibleRabinFunction: specified modulus size is too small");
-
-	// VC70 workaround: putting these after primeParam causes overlapped stack allocation
-	bool rFound=false, sFound=false;
-	Integer t=2;
-
-	AlgorithmParameters primeParam = MakeParametersForTwoPrimesOfEqualSize(modulusSize)
-		("EquivalentTo", 3)("Mod", 4);
-	m_p.GenerateRandom(rng, primeParam);
-	m_q.GenerateRandom(rng, primeParam);
-
-	while (!(rFound && sFound))
-	{
-		int jp = Jacobi(t, m_p);
-		int jq = Jacobi(t, m_q);
-
-		if (!rFound && jp==1 && jq==-1)
-		{
-			m_r = t;
-			rFound = true;
-		}
-
-		if (!sFound && jp==-1 && jq==1)
-		{
-			m_s = t;
-			sFound = true;
-		}
-
-		++t;
-	}
-
-	m_n = m_p * m_q;
-	m_u = m_q.InverseMod(m_p);
-}
-
-void InvertibleRabinFunction::BERDecode(BufferedTransformation &bt)
-{
-	BERSequenceDecoder seq(bt);
-	m_n.BERDecode(seq);
-	m_r.BERDecode(seq);
-	m_s.BERDecode(seq);
-	m_p.BERDecode(seq);
-	m_q.BERDecode(seq);
-	m_u.BERDecode(seq);
-	seq.MessageEnd();
-}
-
-void InvertibleRabinFunction::DEREncode(BufferedTransformation &bt) const
-{
-	DERSequenceEncoder seq(bt);
-	m_n.DEREncode(seq);
-	m_r.DEREncode(seq);
-	m_s.DEREncode(seq);
-	m_p.DEREncode(seq);
-	m_q.DEREncode(seq);
-	m_u.DEREncode(seq);
-	seq.MessageEnd();
-}
-
-Integer InvertibleRabinFunction::CalculateInverse(RandomNumberGenerator &rng, const Integer &in) const
-{
-	DoQuickSanityCheck();
-
-	ModularArithmetic modn(m_n);
-	Integer r(rng, Integer::One(), m_n - Integer::One());
-	r = modn.Square(r);
-	Integer r2 = modn.Square(r);
-	Integer c = modn.Multiply(in, r2);		// blind
-
-	Integer cp=c%m_p, cq=c%m_q;
-
-	int jp = Jacobi(cp, m_p);
-	int jq = Jacobi(cq, m_q);
-
-	if (jq==-1)
-	{
-		cp = cp*EuclideanMultiplicativeInverse(m_r, m_p)%m_p;
-		cq = cq*EuclideanMultiplicativeInverse(m_r, m_q)%m_q;
-	}
-
-	if (jp==-1)
-	{
-		cp = cp*EuclideanMultiplicativeInverse(m_s, m_p)%m_p;
-		cq = cq*EuclideanMultiplicativeInverse(m_s, m_q)%m_q;
-	}
-
-	cp = ModularSquareRoot(cp, m_p);
-	cq = ModularSquareRoot(cq, m_q);
-
-	if (jp==-1)
-		cp = m_p-cp;
-
-	Integer out = CRT(cq, m_q, cp, m_p, m_u);
-
-	out = modn.Divide(out, r);	// unblind
-
-	if ((jq==-1 && out.IsEven()) || (jq==1 && out.IsOdd()))
-		out = m_n-out;
-
-	return out;
-}
-
-bool InvertibleRabinFunction::Validate(RandomNumberGenerator &rng, unsigned int level) const
-{
-	bool pass = RabinFunction::Validate(rng, level);
-	pass = pass && m_p > Integer::One() && m_p%4 == 3 && m_p < m_n;
-	pass = pass && m_q > Integer::One() && m_q%4 == 3 && m_q < m_n;
-	pass = pass && m_u.IsPositive() && m_u < m_p;
-	if (level >= 1)
-	{
-		pass = pass && m_p * m_q == m_n;
-		pass = pass && m_u * m_q % m_p == 1;
-		pass = pass && Jacobi(m_r, m_p) == 1;
-		pass = pass && Jacobi(m_r, m_q) == -1;
-		pass = pass && Jacobi(m_s, m_p) == -1;
-		pass = pass && Jacobi(m_s, m_q) == 1;
-	}
-	if (level >= 2)
-		pass = pass && VerifyPrime(rng, m_p, level-2) && VerifyPrime(rng, m_q, level-2);
-	return pass;
-}
-
-bool InvertibleRabinFunction::GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const
-{
-	return GetValueHelper<RabinFunction>(this, name, valueType, pValue).Assignable()
-		CRYPTOPP_GET_FUNCTION_ENTRY(Prime1)
-		CRYPTOPP_GET_FUNCTION_ENTRY(Prime2)
-		CRYPTOPP_GET_FUNCTION_ENTRY(MultiplicativeInverseOfPrime2ModPrime1)
-		;
-}
-
-void InvertibleRabinFunction::AssignFrom(const NameValuePairs &source)
-{
-	AssignFromHelper<RabinFunction>(this, source)
-		CRYPTOPP_SET_FUNCTION_ENTRY(Prime1)
-		CRYPTOPP_SET_FUNCTION_ENTRY(Prime2)
-		CRYPTOPP_SET_FUNCTION_ENTRY(MultiplicativeInverseOfPrime2ModPrime1)
-		;
-}
-
-NAMESPACE_END