1 files changed, 0 insertions, 165 deletions

diff --git a/lib/cryptopp/pubkey.cpp b/lib/cryptopp/pubkey.cpp
deleted file mode 100644
index 1159e5343..000000000
--- a/lib/cryptopp/pubkey.cpp
+++ /dev/null
@@ -1,165 +0,0 @@
-// pubkey.cpp - written and placed in the public domain by Wei Dai
-
-#include "pch.h"
-
-#ifndef CRYPTOPP_IMPORTS
-
-#include "pubkey.h"
-
-NAMESPACE_BEGIN(CryptoPP)
-
-void P1363_MGF1KDF2_Common(HashTransformation &hash, byte *output, size_t outputLength, const byte *input, size_t inputLength, const byte *derivationParams, size_t derivationParamsLength, bool mask, unsigned int counterStart)
-{
-	ArraySink *sink;
-	HashFilter filter(hash, sink = mask ? new ArrayXorSink(output, outputLength) : new ArraySink(output, outputLength));
-	word32 counter = counterStart;
-	while (sink->AvailableSize() > 0)
-	{
-		filter.Put(input, inputLength);
-		filter.PutWord32(counter++);
-		filter.Put(derivationParams, derivationParamsLength);
-		filter.MessageEnd();
-	}
-}
-
-bool PK_DeterministicSignatureMessageEncodingMethod::VerifyMessageRepresentative(
-	HashTransformation &hash, HashIdentifier hashIdentifier, bool messageEmpty,
-	byte *representative, size_t representativeBitLength) const
-{
-	SecByteBlock computedRepresentative(BitsToBytes(representativeBitLength));
-	ComputeMessageRepresentative(NullRNG(), NULL, 0, hash, hashIdentifier, messageEmpty, computedRepresentative, representativeBitLength);
-	return VerifyBufsEqual(representative, computedRepresentative, computedRepresentative.size());
-}
-
-bool PK_RecoverableSignatureMessageEncodingMethod::VerifyMessageRepresentative(
-	HashTransformation &hash, HashIdentifier hashIdentifier, bool messageEmpty,
-	byte *representative, size_t representativeBitLength) const
-{
-	SecByteBlock recoveredMessage(MaxRecoverableLength(representativeBitLength, hashIdentifier.second, hash.DigestSize()));
-	DecodingResult result = RecoverMessageFromRepresentative(
-		hash, hashIdentifier, messageEmpty, representative, representativeBitLength, recoveredMessage);
-	return result.isValidCoding && result.messageLength == 0;
-}
-
-void TF_SignerBase::InputRecoverableMessage(PK_MessageAccumulator &messageAccumulator, const byte *recoverableMessage, size_t recoverableMessageLength) const
-{
-	PK_MessageAccumulatorBase &ma = static_cast<PK_MessageAccumulatorBase &>(messageAccumulator);
-	HashIdentifier id = GetHashIdentifier();
-	const MessageEncodingInterface &encoding = GetMessageEncodingInterface();
-
-	if (MessageRepresentativeBitLength() < encoding.MinRepresentativeBitLength(id.second, ma.AccessHash().DigestSize()))
-		throw PK_SignatureScheme::KeyTooShort();
-
-	size_t maxRecoverableLength = encoding.MaxRecoverableLength(MessageRepresentativeBitLength(), GetHashIdentifier().second, ma.AccessHash().DigestSize());
-
-	if (maxRecoverableLength == 0)
-		{throw NotImplemented("TF_SignerBase: this algorithm does not support messsage recovery or the key is too short");}
-	if (recoverableMessageLength > maxRecoverableLength)
-		throw InvalidArgument("TF_SignerBase: the recoverable message part is too long for the given key and algorithm");
-
-	ma.m_recoverableMessage.Assign(recoverableMessage, recoverableMessageLength);
-	encoding.ProcessRecoverableMessage(
-		ma.AccessHash(), 
-		recoverableMessage, recoverableMessageLength,
-		NULL, 0, ma.m_semisignature);
-}
-
-size_t TF_SignerBase::SignAndRestart(RandomNumberGenerator &rng, PK_MessageAccumulator &messageAccumulator, byte *signature, bool restart) const
-{
-	PK_MessageAccumulatorBase &ma = static_cast<PK_MessageAccumulatorBase &>(messageAccumulator);
-	HashIdentifier id = GetHashIdentifier();
-	const MessageEncodingInterface &encoding = GetMessageEncodingInterface();
-
-	if (MessageRepresentativeBitLength() < encoding.MinRepresentativeBitLength(id.second, ma.AccessHash().DigestSize()))
-		throw PK_SignatureScheme::KeyTooShort();
-
-	SecByteBlock representative(MessageRepresentativeLength());
-	encoding.ComputeMessageRepresentative(rng, 
-		ma.m_recoverableMessage, ma.m_recoverableMessage.size(), 
-		ma.AccessHash(), id, ma.m_empty,
-		representative, MessageRepresentativeBitLength());
-	ma.m_empty = true;
-
-	Integer r(representative, representative.size());
-	size_t signatureLength = SignatureLength();
-	GetTrapdoorFunctionInterface().CalculateRandomizedInverse(rng, r).Encode(signature, signatureLength);
-	return signatureLength;
-}
-
-void TF_VerifierBase::InputSignature(PK_MessageAccumulator &messageAccumulator, const byte *signature, size_t signatureLength) const
-{
-	PK_MessageAccumulatorBase &ma = static_cast<PK_MessageAccumulatorBase &>(messageAccumulator);
-	HashIdentifier id = GetHashIdentifier();
-	const MessageEncodingInterface &encoding = GetMessageEncodingInterface();
-
-	if (MessageRepresentativeBitLength() < encoding.MinRepresentativeBitLength(id.second, ma.AccessHash().DigestSize()))
-		throw PK_SignatureScheme::KeyTooShort();
-
-	ma.m_representative.New(MessageRepresentativeLength());
-	Integer x = GetTrapdoorFunctionInterface().ApplyFunction(Integer(signature, signatureLength));
-	if (x.BitCount() > MessageRepresentativeBitLength())
-		x = Integer::Zero();	// don't return false here to prevent timing attack
-	x.Encode(ma.m_representative, ma.m_representative.size());
-}
-
-bool TF_VerifierBase::VerifyAndRestart(PK_MessageAccumulator &messageAccumulator) const
-{
-	PK_MessageAccumulatorBase &ma = static_cast<PK_MessageAccumulatorBase &>(messageAccumulator);
-	HashIdentifier id = GetHashIdentifier();
-	const MessageEncodingInterface &encoding = GetMessageEncodingInterface();
-
-	if (MessageRepresentativeBitLength() < encoding.MinRepresentativeBitLength(id.second, ma.AccessHash().DigestSize()))
-		throw PK_SignatureScheme::KeyTooShort();
-
-	bool result = encoding.VerifyMessageRepresentative(
-		ma.AccessHash(), id, ma.m_empty, ma.m_representative, MessageRepresentativeBitLength());
-	ma.m_empty = true;
-	return result;
-}
-
-DecodingResult TF_VerifierBase::RecoverAndRestart(byte *recoveredMessage, PK_MessageAccumulator &messageAccumulator) const
-{
-	PK_MessageAccumulatorBase &ma = static_cast<PK_MessageAccumulatorBase &>(messageAccumulator);
-	HashIdentifier id = GetHashIdentifier();
-	const MessageEncodingInterface &encoding = GetMessageEncodingInterface();
-
-	if (MessageRepresentativeBitLength() < encoding.MinRepresentativeBitLength(id.second, ma.AccessHash().DigestSize()))
-		throw PK_SignatureScheme::KeyTooShort();
-
-	DecodingResult result = encoding.RecoverMessageFromRepresentative(
-		ma.AccessHash(), id, ma.m_empty, ma.m_representative, MessageRepresentativeBitLength(), recoveredMessage);
-	ma.m_empty = true;
-	return result;
-}
-
-DecodingResult TF_DecryptorBase::Decrypt(RandomNumberGenerator &rng, const byte *ciphertext, size_t ciphertextLength, byte *plaintext, const NameValuePairs &parameters) const
-{
-	if (ciphertextLength != FixedCiphertextLength())
-			throw InvalidArgument(AlgorithmName() + ": ciphertext length of " + IntToString(ciphertextLength) + " doesn't match the required length of " + IntToString(FixedCiphertextLength()) + " for this key");
-
-	SecByteBlock paddedBlock(PaddedBlockByteLength());
-	Integer x = GetTrapdoorFunctionInterface().CalculateInverse(rng, Integer(ciphertext, ciphertextLength));
-	if (x.ByteCount() > paddedBlock.size())
-		x = Integer::Zero();	// don't return false here to prevent timing attack
-	x.Encode(paddedBlock, paddedBlock.size());
-	return GetMessageEncodingInterface().Unpad(paddedBlock, PaddedBlockBitLength(), plaintext, parameters);
-}
-
-void TF_EncryptorBase::Encrypt(RandomNumberGenerator &rng, const byte *plaintext, size_t plaintextLength, byte *ciphertext, const NameValuePairs &parameters) const
-{
-	if (plaintextLength > FixedMaxPlaintextLength())
-	{
-		if (FixedMaxPlaintextLength() < 1)
-			throw InvalidArgument(AlgorithmName() + ": this key is too short to encrypt any messages");
-		else
-			throw InvalidArgument(AlgorithmName() + ": message length of " + IntToString(plaintextLength) + " exceeds the maximum of " + IntToString(FixedMaxPlaintextLength()) + " for this public key");
-	}
-
-	SecByteBlock paddedBlock(PaddedBlockByteLength());
-	GetMessageEncodingInterface().Pad(rng, plaintext, plaintextLength, paddedBlock, PaddedBlockBitLength(), parameters);
-	GetTrapdoorFunctionInterface().ApplyRandomizedFunction(rng, Integer(paddedBlock, paddedBlock.size())).Encode(ciphertext, FixedCiphertextLength());
-}
-
-NAMESPACE_END
-
-#endif