1 files changed, 0 insertions, 210 deletions

diff --git a/lib/cryptopp/esign.cpp b/lib/cryptopp/esign.cpp
deleted file mode 100644
index 8b42c1fa4..000000000
--- a/lib/cryptopp/esign.cpp
+++ /dev/null
@@ -1,210 +0,0 @@
-// esign.cpp - written and placed in the public domain by Wei Dai
-
-#include "pch.h"
-#include "esign.h"
-#include "asn.h"
-#include "modarith.h"
-#include "nbtheory.h"
-#include "sha.h"
-#include "algparam.h"
-
-NAMESPACE_BEGIN(CryptoPP)
-
-void ESIGN_TestInstantiations()
-{
-	ESIGN<SHA>::Verifier x1(1, 1);
-	ESIGN<SHA>::Signer x2(NullRNG(), 1);
-	ESIGN<SHA>::Verifier x3(x2);
-	ESIGN<SHA>::Verifier x4(x2.GetKey());
-	ESIGN<SHA>::Verifier x5(x3);
-	ESIGN<SHA>::Signer x6 = x2;
-
-	x6 = x2;
-	x3 = ESIGN<SHA>::Verifier(x2);
-	x4 = x2.GetKey();
-}
-
-void ESIGNFunction::BERDecode(BufferedTransformation &bt)
-{
-	BERSequenceDecoder seq(bt);
-		m_n.BERDecode(seq);
-		m_e.BERDecode(seq);
-	seq.MessageEnd();
-}
-
-void ESIGNFunction::DEREncode(BufferedTransformation &bt) const
-{
-	DERSequenceEncoder seq(bt);
-		m_n.DEREncode(seq);
-		m_e.DEREncode(seq);
-	seq.MessageEnd();
-}
-
-Integer ESIGNFunction::ApplyFunction(const Integer &x) const
-{
-	DoQuickSanityCheck();
-	return STDMIN(a_exp_b_mod_c(x, m_e, m_n) >> (2*GetK()+2), MaxImage());
-}
-
-bool ESIGNFunction::Validate(RandomNumberGenerator &rng, unsigned int level) const
-{
-	bool pass = true;
-	pass = pass && m_n > Integer::One() && m_n.IsOdd();
-	pass = pass && m_e >= 8 && m_e < m_n;
-	return pass;
-}
-
-bool ESIGNFunction::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(PublicExponent)
-		;
-}
-
-void ESIGNFunction::AssignFrom(const NameValuePairs &source)
-{
-	AssignFromHelper(this, source)
-		CRYPTOPP_SET_FUNCTION_ENTRY(Modulus)
-		CRYPTOPP_SET_FUNCTION_ENTRY(PublicExponent)
-		;
-}
-
-// *****************************************************************************
-
-void InvertibleESIGNFunction::GenerateRandom(RandomNumberGenerator &rng, const NameValuePairs &param)
-{
-	int modulusSize = 1023*2;
-	param.GetIntValue("ModulusSize", modulusSize) || param.GetIntValue("KeySize", modulusSize);
-
-	if (modulusSize < 24)
-		throw InvalidArgument("InvertibleESIGNFunction: specified modulus size is too small");
-
-	if (modulusSize % 3 != 0)
-		throw InvalidArgument("InvertibleESIGNFunction: modulus size must be divisible by 3");
-
-	m_e = param.GetValueWithDefault("PublicExponent", Integer(32));
-
-	if (m_e < 8)
-		throw InvalidArgument("InvertibleESIGNFunction: public exponents less than 8 may not be secure");
-
-	// VC70 workaround: putting these after primeParam causes overlapped stack allocation
-	ConstByteArrayParameter seedParam;
-	SecByteBlock seed;
-
-	const Integer minP = Integer(204) << (modulusSize/3-8);
-	const Integer maxP = Integer::Power2(modulusSize/3)-1;
-	AlgorithmParameters primeParam = MakeParameters("Min", minP)("Max", maxP)("RandomNumberType", Integer::PRIME);
-
-	if (param.GetValue("Seed", seedParam))
-	{
-		seed.resize(seedParam.size() + 4);
-		memcpy(seed + 4, seedParam.begin(), seedParam.size());
-
-		PutWord(false, BIG_ENDIAN_ORDER, seed, (word32)0);
-		m_p.GenerateRandom(rng, CombinedNameValuePairs(primeParam, MakeParameters("Seed", ConstByteArrayParameter(seed))));
-		PutWord(false, BIG_ENDIAN_ORDER, seed, (word32)1);
-		m_q.GenerateRandom(rng, CombinedNameValuePairs(primeParam, MakeParameters("Seed", ConstByteArrayParameter(seed))));
-	}
-	else
-	{
-		m_p.GenerateRandom(rng, primeParam);
-		m_q.GenerateRandom(rng, primeParam);
-	}
-
-	m_n = m_p * m_p * m_q;
-
-	assert(m_n.BitCount() == modulusSize);
-}
-
-void InvertibleESIGNFunction::BERDecode(BufferedTransformation &bt)
-{
-	BERSequenceDecoder privateKey(bt);
-		m_n.BERDecode(privateKey);
-		m_e.BERDecode(privateKey);
-		m_p.BERDecode(privateKey);
-		m_q.BERDecode(privateKey);
-	privateKey.MessageEnd();
-}
-
-void InvertibleESIGNFunction::DEREncode(BufferedTransformation &bt) const
-{
-	DERSequenceEncoder privateKey(bt);
-		m_n.DEREncode(privateKey);
-		m_e.DEREncode(privateKey);
-		m_p.DEREncode(privateKey);
-		m_q.DEREncode(privateKey);
-	privateKey.MessageEnd();
-}
-
-Integer InvertibleESIGNFunction::CalculateRandomizedInverse(RandomNumberGenerator &rng, const Integer &x) const 
-{
-	DoQuickSanityCheck();
-
-	Integer pq = m_p * m_q;
-	Integer p2 = m_p * m_p;
-	Integer r, z, re, a, w0, w1;
-
-	do
-	{
-		r.Randomize(rng, Integer::Zero(), pq);
-		z = x << (2*GetK()+2);
-		re = a_exp_b_mod_c(r, m_e, m_n);
-		a = (z - re) % m_n;
-		Integer::Divide(w1, w0, a, pq);
-		if (w1.NotZero())
-		{
-			++w0;
-			w1 = pq - w1;
-		}
-	}
-	while ((w1 >> 2*GetK()+1).IsPositive());
-
-	ModularArithmetic modp(m_p);
-	Integer t = modp.Divide(w0 * r % m_p, m_e * re % m_p);
-	Integer s = r + t*pq;
-	assert(s < m_n);
-/*
-	using namespace std;
-	cout << "f = " << x << endl;
-	cout << "r = " << r << endl;
-	cout << "z = " << z << endl;
-	cout << "a = " << a << endl;
-	cout << "w0 = " << w0 << endl;
-	cout << "w1 = " << w1 << endl;
-	cout << "t = " << t << endl;
-	cout << "s = " << s << endl;
-*/
-	return s;
-}
-
-bool InvertibleESIGNFunction::Validate(RandomNumberGenerator &rng, unsigned int level) const
-{
-	bool pass = ESIGNFunction::Validate(rng, level);
-	pass = pass && m_p > Integer::One() && m_p.IsOdd() && m_p < m_n;
-	pass = pass && m_q > Integer::One() && m_q.IsOdd() && m_q < m_n;
-	pass = pass && m_p.BitCount() == m_q.BitCount();
-	if (level >= 1)
-		pass = pass && m_p * m_p * m_q == m_n;
-	if (level >= 2)
-		pass = pass && VerifyPrime(rng, m_p, level-2) && VerifyPrime(rng, m_q, level-2);
-	return pass;
-}
-
-bool InvertibleESIGNFunction::GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const
-{
-	return GetValueHelper<ESIGNFunction>(this, name, valueType, pValue).Assignable()
-		CRYPTOPP_GET_FUNCTION_ENTRY(Prime1)
-		CRYPTOPP_GET_FUNCTION_ENTRY(Prime2)
-		;
-}
-
-void InvertibleESIGNFunction::AssignFrom(const NameValuePairs &source)
-{
-	AssignFromHelper<ESIGNFunction>(this, source)
-		CRYPTOPP_SET_FUNCTION_ENTRY(Prime1)
-		CRYPTOPP_SET_FUNCTION_ENTRY(Prime2)
-		;
-}
-
-NAMESPACE_END