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Diffstat (limited to 'CryptoPP/cryptlib.cpp')
| -rw-r--r-- | CryptoPP/cryptlib.cpp | 828 |
1 files changed, 0 insertions, 828 deletions
diff --git a/CryptoPP/cryptlib.cpp b/CryptoPP/cryptlib.cpp deleted file mode 100644 index df138ddb0..000000000 --- a/CryptoPP/cryptlib.cpp +++ /dev/null @@ -1,828 +0,0 @@ -// cryptlib.cpp - written and placed in the public domain by Wei Dai - -#include "pch.h" - -#ifndef CRYPTOPP_IMPORTS - -#include "cryptlib.h" -#include "misc.h" -#include "filters.h" -#include "algparam.h" -#include "fips140.h" -#include "argnames.h" -#include "fltrimpl.h" -#include "trdlocal.h" -#include "osrng.h" - -#include <memory> - -NAMESPACE_BEGIN(CryptoPP) - -CRYPTOPP_COMPILE_ASSERT(sizeof(byte) == 1); -CRYPTOPP_COMPILE_ASSERT(sizeof(word16) == 2); -CRYPTOPP_COMPILE_ASSERT(sizeof(word32) == 4); -CRYPTOPP_COMPILE_ASSERT(sizeof(word64) == 8); -#ifdef CRYPTOPP_NATIVE_DWORD_AVAILABLE -CRYPTOPP_COMPILE_ASSERT(sizeof(dword) == 2*sizeof(word)); -#endif - -const std::string DEFAULT_CHANNEL; -const std::string AAD_CHANNEL = "AAD"; -const std::string &BufferedTransformation::NULL_CHANNEL = DEFAULT_CHANNEL; - -class NullNameValuePairs : public NameValuePairs -{ -public: - bool GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const {return false;} -}; - -simple_ptr<NullNameValuePairs> s_pNullNameValuePairs(new NullNameValuePairs); -const NameValuePairs &g_nullNameValuePairs = *s_pNullNameValuePairs.m_p; - -BufferedTransformation & TheBitBucket() -{ - static BitBucket bitBucket; - return bitBucket; -} - -Algorithm::Algorithm(bool checkSelfTestStatus) -{ - if (checkSelfTestStatus && FIPS_140_2_ComplianceEnabled()) - { - if (GetPowerUpSelfTestStatus() == POWER_UP_SELF_TEST_NOT_DONE && !PowerUpSelfTestInProgressOnThisThread()) - throw SelfTestFailure("Cryptographic algorithms are disabled before the power-up self tests are performed."); - - if (GetPowerUpSelfTestStatus() == POWER_UP_SELF_TEST_FAILED) - throw SelfTestFailure("Cryptographic algorithms are disabled after a power-up self test failed."); - } -} - -void SimpleKeyingInterface::SetKey(const byte *key, size_t length, const NameValuePairs ¶ms) -{ - this->ThrowIfInvalidKeyLength(length); - this->UncheckedSetKey(key, (unsigned int)length, params); -} - -void SimpleKeyingInterface::SetKeyWithRounds(const byte *key, size_t length, int rounds) -{ - SetKey(key, length, MakeParameters(Name::Rounds(), rounds)); -} - -void SimpleKeyingInterface::SetKeyWithIV(const byte *key, size_t length, const byte *iv, size_t ivLength) -{ - SetKey(key, length, MakeParameters(Name::IV(), ConstByteArrayParameter(iv, ivLength))); -} - -void SimpleKeyingInterface::ThrowIfInvalidKeyLength(size_t length) -{ - if (!IsValidKeyLength(length)) - throw InvalidKeyLength(GetAlgorithm().AlgorithmName(), length); -} - -void SimpleKeyingInterface::ThrowIfResynchronizable() -{ - if (IsResynchronizable()) - throw InvalidArgument(GetAlgorithm().AlgorithmName() + ": this object requires an IV"); -} - -void SimpleKeyingInterface::ThrowIfInvalidIV(const byte *iv) -{ - if (!iv && IVRequirement() == UNPREDICTABLE_RANDOM_IV) - throw InvalidArgument(GetAlgorithm().AlgorithmName() + ": this object cannot use a null IV"); -} - -size_t SimpleKeyingInterface::ThrowIfInvalidIVLength(int size) -{ - if (size < 0) - return IVSize(); - else if ((size_t)size < MinIVLength()) - throw InvalidArgument(GetAlgorithm().AlgorithmName() + ": IV length " + IntToString(size) + " is less than the minimum of " + IntToString(MinIVLength())); - else if ((size_t)size > MaxIVLength()) - throw InvalidArgument(GetAlgorithm().AlgorithmName() + ": IV length " + IntToString(size) + " exceeds the maximum of " + IntToString(MaxIVLength())); - else - return size; -} - -const byte * SimpleKeyingInterface::GetIVAndThrowIfInvalid(const NameValuePairs ¶ms, size_t &size) -{ - ConstByteArrayParameter ivWithLength; - const byte *iv; - bool found = false; - - try {found = params.GetValue(Name::IV(), ivWithLength);} - catch (const NameValuePairs::ValueTypeMismatch &) {} - - if (found) - { - iv = ivWithLength.begin(); - ThrowIfInvalidIV(iv); - size = ThrowIfInvalidIVLength((int)ivWithLength.size()); - return iv; - } - else if (params.GetValue(Name::IV(), iv)) - { - ThrowIfInvalidIV(iv); - size = IVSize(); - return iv; - } - else - { - ThrowIfResynchronizable(); - size = 0; - return NULL; - } -} - -void SimpleKeyingInterface::GetNextIV(RandomNumberGenerator &rng, byte *IV) -{ - rng.GenerateBlock(IV, IVSize()); -} - -size_t BlockTransformation::AdvancedProcessBlocks(const byte *inBlocks, const byte *xorBlocks, byte *outBlocks, size_t length, word32 flags) const -{ - size_t blockSize = BlockSize(); - size_t inIncrement = (flags & (BT_InBlockIsCounter|BT_DontIncrementInOutPointers)) ? 0 : blockSize; - size_t xorIncrement = xorBlocks ? blockSize : 0; - size_t outIncrement = (flags & BT_DontIncrementInOutPointers) ? 0 : blockSize; - - if (flags & BT_ReverseDirection) - { - assert(length % blockSize == 0); - inBlocks += length - blockSize; - xorBlocks += length - blockSize; - outBlocks += length - blockSize; - inIncrement = 0-inIncrement; - xorIncrement = 0-xorIncrement; - outIncrement = 0-outIncrement; - } - - while (length >= blockSize) - { - if (flags & BT_XorInput) - { - xorbuf(outBlocks, xorBlocks, inBlocks, blockSize); - ProcessBlock(outBlocks); - } - else - ProcessAndXorBlock(inBlocks, xorBlocks, outBlocks); - if (flags & BT_InBlockIsCounter) - const_cast<byte *>(inBlocks)[blockSize-1]++; - inBlocks += inIncrement; - outBlocks += outIncrement; - xorBlocks += xorIncrement; - length -= blockSize; - } - - return length; -} - -unsigned int BlockTransformation::OptimalDataAlignment() const -{ - return GetAlignmentOf<word32>(); -} - -unsigned int StreamTransformation::OptimalDataAlignment() const -{ - return GetAlignmentOf<word32>(); -} - -unsigned int HashTransformation::OptimalDataAlignment() const -{ - return GetAlignmentOf<word32>(); -} - -void StreamTransformation::ProcessLastBlock(byte *outString, const byte *inString, size_t length) -{ - assert(MinLastBlockSize() == 0); // this function should be overriden otherwise - - if (length == MandatoryBlockSize()) - ProcessData(outString, inString, length); - else if (length != 0) - throw NotImplemented(AlgorithmName() + ": this object does't support a special last block"); -} - -void AuthenticatedSymmetricCipher::SpecifyDataLengths(lword headerLength, lword messageLength, lword footerLength) -{ - if (headerLength > MaxHeaderLength()) - throw InvalidArgument(GetAlgorithm().AlgorithmName() + ": header length " + IntToString(headerLength) + " exceeds the maximum of " + IntToString(MaxHeaderLength())); - - if (messageLength > MaxMessageLength()) - throw InvalidArgument(GetAlgorithm().AlgorithmName() + ": message length " + IntToString(messageLength) + " exceeds the maximum of " + IntToString(MaxMessageLength())); - - if (footerLength > MaxFooterLength()) - throw InvalidArgument(GetAlgorithm().AlgorithmName() + ": footer length " + IntToString(footerLength) + " exceeds the maximum of " + IntToString(MaxFooterLength())); - - UncheckedSpecifyDataLengths(headerLength, messageLength, footerLength); -} - -void AuthenticatedSymmetricCipher::EncryptAndAuthenticate(byte *ciphertext, byte *mac, size_t macSize, const byte *iv, int ivLength, const byte *header, size_t headerLength, const byte *message, size_t messageLength) -{ - Resynchronize(iv, ivLength); - SpecifyDataLengths(headerLength, messageLength); - Update(header, headerLength); - ProcessString(ciphertext, message, messageLength); - TruncatedFinal(mac, macSize); -} - -bool AuthenticatedSymmetricCipher::DecryptAndVerify(byte *message, const byte *mac, size_t macLength, const byte *iv, int ivLength, const byte *header, size_t headerLength, const byte *ciphertext, size_t ciphertextLength) -{ - Resynchronize(iv, ivLength); - SpecifyDataLengths(headerLength, ciphertextLength); - Update(header, headerLength); - ProcessString(message, ciphertext, ciphertextLength); - return TruncatedVerify(mac, macLength); -} - -unsigned int RandomNumberGenerator::GenerateBit() -{ - return GenerateByte() & 1; -} - -byte RandomNumberGenerator::GenerateByte() -{ - byte b; - GenerateBlock(&b, 1); - return b; -} - -word32 RandomNumberGenerator::GenerateWord32(word32 min, word32 max) -{ - word32 range = max-min; - const int maxBits = BitPrecision(range); - - word32 value; - - do - { - GenerateBlock((byte *)&value, sizeof(value)); - value = Crop(value, maxBits); - } while (value > range); - - return value+min; -} - -void RandomNumberGenerator::GenerateBlock(byte *output, size_t size) -{ - ArraySink s(output, size); - GenerateIntoBufferedTransformation(s, DEFAULT_CHANNEL, size); -} - -void RandomNumberGenerator::DiscardBytes(size_t n) -{ - GenerateIntoBufferedTransformation(TheBitBucket(), DEFAULT_CHANNEL, n); -} - -void RandomNumberGenerator::GenerateIntoBufferedTransformation(BufferedTransformation &target, const std::string &channel, lword length) -{ - FixedSizeSecBlock<byte, 256> buffer; - while (length) - { - size_t len = UnsignedMin(buffer.size(), length); - GenerateBlock(buffer, len); - target.ChannelPut(channel, buffer, len); - length -= len; - } -} - -//! see NullRNG() -class ClassNullRNG : public RandomNumberGenerator -{ -public: - std::string AlgorithmName() const {return "NullRNG";} - void GenerateBlock(byte *output, size_t size) {throw NotImplemented("NullRNG: NullRNG should only be passed to functions that don't need to generate random bytes");} -}; - -RandomNumberGenerator & NullRNG() -{ - static ClassNullRNG s_nullRNG; - return s_nullRNG; -} - -bool HashTransformation::TruncatedVerify(const byte *digestIn, size_t digestLength) -{ - ThrowIfInvalidTruncatedSize(digestLength); - SecByteBlock digest(digestLength); - TruncatedFinal(digest, digestLength); - return VerifyBufsEqual(digest, digestIn, digestLength); -} - -void HashTransformation::ThrowIfInvalidTruncatedSize(size_t size) const -{ - if (size > DigestSize()) - throw InvalidArgument("HashTransformation: can't truncate a " + IntToString(DigestSize()) + " byte digest to " + IntToString(size) + " bytes"); -} - -unsigned int BufferedTransformation::GetMaxWaitObjectCount() const -{ - const BufferedTransformation *t = AttachedTransformation(); - return t ? t->GetMaxWaitObjectCount() : 0; -} - -void BufferedTransformation::GetWaitObjects(WaitObjectContainer &container, CallStack const& callStack) -{ - BufferedTransformation *t = AttachedTransformation(); - if (t) - t->GetWaitObjects(container, callStack); // reduce clutter by not adding to stack here -} - -void BufferedTransformation::Initialize(const NameValuePairs ¶meters, int propagation) -{ - assert(!AttachedTransformation()); - IsolatedInitialize(parameters); -} - -bool BufferedTransformation::Flush(bool hardFlush, int propagation, bool blocking) -{ - assert(!AttachedTransformation()); - return IsolatedFlush(hardFlush, blocking); -} - -bool BufferedTransformation::MessageSeriesEnd(int propagation, bool blocking) -{ - assert(!AttachedTransformation()); - return IsolatedMessageSeriesEnd(blocking); -} - -byte * BufferedTransformation::ChannelCreatePutSpace(const std::string &channel, size_t &size) -{ - if (channel.empty()) - return CreatePutSpace(size); - else - throw NoChannelSupport(AlgorithmName()); -} - -size_t BufferedTransformation::ChannelPut2(const std::string &channel, const byte *begin, size_t length, int messageEnd, bool blocking) -{ - if (channel.empty()) - return Put2(begin, length, messageEnd, blocking); - else - throw NoChannelSupport(AlgorithmName()); -} - -size_t BufferedTransformation::ChannelPutModifiable2(const std::string &channel, byte *begin, size_t length, int messageEnd, bool blocking) -{ - if (channel.empty()) - return PutModifiable2(begin, length, messageEnd, blocking); - else - return ChannelPut2(channel, begin, length, messageEnd, blocking); -} - -bool BufferedTransformation::ChannelFlush(const std::string &channel, bool completeFlush, int propagation, bool blocking) -{ - if (channel.empty()) - return Flush(completeFlush, propagation, blocking); - else - throw NoChannelSupport(AlgorithmName()); -} - -bool BufferedTransformation::ChannelMessageSeriesEnd(const std::string &channel, int propagation, bool blocking) -{ - if (channel.empty()) - return MessageSeriesEnd(propagation, blocking); - else - throw NoChannelSupport(AlgorithmName()); -} - -lword BufferedTransformation::MaxRetrievable() const -{ - if (AttachedTransformation()) - return AttachedTransformation()->MaxRetrievable(); - else - return CopyTo(TheBitBucket()); -} - -bool BufferedTransformation::AnyRetrievable() const -{ - if (AttachedTransformation()) - return AttachedTransformation()->AnyRetrievable(); - else - { - byte b; - return Peek(b) != 0; - } -} - -size_t BufferedTransformation::Get(byte &outByte) -{ - if (AttachedTransformation()) - return AttachedTransformation()->Get(outByte); - else - return Get(&outByte, 1); -} - -size_t BufferedTransformation::Get(byte *outString, size_t getMax) -{ - if (AttachedTransformation()) - return AttachedTransformation()->Get(outString, getMax); - else - { - ArraySink arraySink(outString, getMax); - return (size_t)TransferTo(arraySink, getMax); - } -} - -size_t BufferedTransformation::Peek(byte &outByte) const -{ - if (AttachedTransformation()) - return AttachedTransformation()->Peek(outByte); - else - return Peek(&outByte, 1); -} - -size_t BufferedTransformation::Peek(byte *outString, size_t peekMax) const -{ - if (AttachedTransformation()) - return AttachedTransformation()->Peek(outString, peekMax); - else - { - ArraySink arraySink(outString, peekMax); - return (size_t)CopyTo(arraySink, peekMax); - } -} - -lword BufferedTransformation::Skip(lword skipMax) -{ - if (AttachedTransformation()) - return AttachedTransformation()->Skip(skipMax); - else - return TransferTo(TheBitBucket(), skipMax); -} - -lword BufferedTransformation::TotalBytesRetrievable() const -{ - if (AttachedTransformation()) - return AttachedTransformation()->TotalBytesRetrievable(); - else - return MaxRetrievable(); -} - -unsigned int BufferedTransformation::NumberOfMessages() const -{ - if (AttachedTransformation()) - return AttachedTransformation()->NumberOfMessages(); - else - return CopyMessagesTo(TheBitBucket()); -} - -bool BufferedTransformation::AnyMessages() const -{ - if (AttachedTransformation()) - return AttachedTransformation()->AnyMessages(); - else - return NumberOfMessages() != 0; -} - -bool BufferedTransformation::GetNextMessage() -{ - if (AttachedTransformation()) - return AttachedTransformation()->GetNextMessage(); - else - { - assert(!AnyMessages()); - return false; - } -} - -unsigned int BufferedTransformation::SkipMessages(unsigned int count) -{ - if (AttachedTransformation()) - return AttachedTransformation()->SkipMessages(count); - else - return TransferMessagesTo(TheBitBucket(), count); -} - -size_t BufferedTransformation::TransferMessagesTo2(BufferedTransformation &target, unsigned int &messageCount, const std::string &channel, bool blocking) -{ - if (AttachedTransformation()) - return AttachedTransformation()->TransferMessagesTo2(target, messageCount, channel, blocking); - else - { - unsigned int maxMessages = messageCount; - for (messageCount=0; messageCount < maxMessages && AnyMessages(); messageCount++) - { - size_t blockedBytes; - lword transferredBytes; - - while (AnyRetrievable()) - { - transferredBytes = LWORD_MAX; - blockedBytes = TransferTo2(target, transferredBytes, channel, blocking); - if (blockedBytes > 0) - return blockedBytes; - } - - if (target.ChannelMessageEnd(channel, GetAutoSignalPropagation(), blocking)) - return 1; - - bool result = GetNextMessage(); - assert(result); - } - return 0; - } -} - -unsigned int BufferedTransformation::CopyMessagesTo(BufferedTransformation &target, unsigned int count, const std::string &channel) const -{ - if (AttachedTransformation()) - return AttachedTransformation()->CopyMessagesTo(target, count, channel); - else - return 0; -} - -void BufferedTransformation::SkipAll() -{ - if (AttachedTransformation()) - AttachedTransformation()->SkipAll(); - else - { - while (SkipMessages()) {} - while (Skip()) {} - } -} - -size_t BufferedTransformation::TransferAllTo2(BufferedTransformation &target, const std::string &channel, bool blocking) -{ - if (AttachedTransformation()) - return AttachedTransformation()->TransferAllTo2(target, channel, blocking); - else - { - assert(!NumberOfMessageSeries()); - - unsigned int messageCount; - do - { - messageCount = UINT_MAX; - size_t blockedBytes = TransferMessagesTo2(target, messageCount, channel, blocking); - if (blockedBytes) - return blockedBytes; - } - while (messageCount != 0); - - lword byteCount; - do - { - byteCount = ULONG_MAX; - size_t blockedBytes = TransferTo2(target, byteCount, channel, blocking); - if (blockedBytes) - return blockedBytes; - } - while (byteCount != 0); - - return 0; - } -} - -void BufferedTransformation::CopyAllTo(BufferedTransformation &target, const std::string &channel) const -{ - if (AttachedTransformation()) - AttachedTransformation()->CopyAllTo(target, channel); - else - { - assert(!NumberOfMessageSeries()); - while (CopyMessagesTo(target, UINT_MAX, channel)) {} - } -} - -void BufferedTransformation::SetRetrievalChannel(const std::string &channel) -{ - if (AttachedTransformation()) - AttachedTransformation()->SetRetrievalChannel(channel); -} - -size_t BufferedTransformation::ChannelPutWord16(const std::string &channel, word16 value, ByteOrder order, bool blocking) -{ - PutWord(false, order, m_buf, value); - return ChannelPut(channel, m_buf, 2, blocking); -} - -size_t BufferedTransformation::ChannelPutWord32(const std::string &channel, word32 value, ByteOrder order, bool blocking) -{ - PutWord(false, order, m_buf, value); - return ChannelPut(channel, m_buf, 4, blocking); -} - -size_t BufferedTransformation::PutWord16(word16 value, ByteOrder order, bool blocking) -{ - return ChannelPutWord16(DEFAULT_CHANNEL, value, order, blocking); -} - -size_t BufferedTransformation::PutWord32(word32 value, ByteOrder order, bool blocking) -{ - return ChannelPutWord32(DEFAULT_CHANNEL, value, order, blocking); -} - -size_t BufferedTransformation::PeekWord16(word16 &value, ByteOrder order) const -{ - byte buf[2] = {0, 0}; - size_t len = Peek(buf, 2); - - if (order) - value = (buf[0] << 8) | buf[1]; - else - value = (buf[1] << 8) | buf[0]; - - return len; -} - -size_t BufferedTransformation::PeekWord32(word32 &value, ByteOrder order) const -{ - byte buf[4] = {0, 0, 0, 0}; - size_t len = Peek(buf, 4); - - if (order) - value = (buf[0] << 24) | (buf[1] << 16) | (buf[2] << 8) | buf [3]; - else - value = (buf[3] << 24) | (buf[2] << 16) | (buf[1] << 8) | buf [0]; - - return len; -} - -size_t BufferedTransformation::GetWord16(word16 &value, ByteOrder order) -{ - return (size_t)Skip(PeekWord16(value, order)); -} - -size_t BufferedTransformation::GetWord32(word32 &value, ByteOrder order) -{ - return (size_t)Skip(PeekWord32(value, order)); -} - -void BufferedTransformation::Attach(BufferedTransformation *newOut) -{ - if (AttachedTransformation() && AttachedTransformation()->Attachable()) - AttachedTransformation()->Attach(newOut); - else - Detach(newOut); -} - -void GeneratableCryptoMaterial::GenerateRandomWithKeySize(RandomNumberGenerator &rng, unsigned int keySize) -{ - GenerateRandom(rng, MakeParameters("KeySize", (int)keySize)); -} - -class PK_DefaultEncryptionFilter : public Unflushable<Filter> -{ -public: - PK_DefaultEncryptionFilter(RandomNumberGenerator &rng, const PK_Encryptor &encryptor, BufferedTransformation *attachment, const NameValuePairs ¶meters) - : m_rng(rng), m_encryptor(encryptor), m_parameters(parameters) - { - Detach(attachment); - } - - size_t Put2(const byte *inString, size_t length, int messageEnd, bool blocking) - { - FILTER_BEGIN; - m_plaintextQueue.Put(inString, length); - - if (messageEnd) - { - { - size_t plaintextLength; - if (!SafeConvert(m_plaintextQueue.CurrentSize(), plaintextLength)) - throw InvalidArgument("PK_DefaultEncryptionFilter: plaintext too long"); - size_t ciphertextLength = m_encryptor.CiphertextLength(plaintextLength); - - SecByteBlock plaintext(plaintextLength); - m_plaintextQueue.Get(plaintext, plaintextLength); - m_ciphertext.resize(ciphertextLength); - m_encryptor.Encrypt(m_rng, plaintext, plaintextLength, m_ciphertext, m_parameters); - } - - FILTER_OUTPUT(1, m_ciphertext, m_ciphertext.size(), messageEnd); - } - FILTER_END_NO_MESSAGE_END; - } - - RandomNumberGenerator &m_rng; - const PK_Encryptor &m_encryptor; - const NameValuePairs &m_parameters; - ByteQueue m_plaintextQueue; - SecByteBlock m_ciphertext; -}; - -BufferedTransformation * PK_Encryptor::CreateEncryptionFilter(RandomNumberGenerator &rng, BufferedTransformation *attachment, const NameValuePairs ¶meters) const -{ - return new PK_DefaultEncryptionFilter(rng, *this, attachment, parameters); -} - -class PK_DefaultDecryptionFilter : public Unflushable<Filter> -{ -public: - PK_DefaultDecryptionFilter(RandomNumberGenerator &rng, const PK_Decryptor &decryptor, BufferedTransformation *attachment, const NameValuePairs ¶meters) - : m_rng(rng), m_decryptor(decryptor), m_parameters(parameters) - { - Detach(attachment); - } - - size_t Put2(const byte *inString, size_t length, int messageEnd, bool blocking) - { - FILTER_BEGIN; - m_ciphertextQueue.Put(inString, length); - - if (messageEnd) - { - { - size_t ciphertextLength; - if (!SafeConvert(m_ciphertextQueue.CurrentSize(), ciphertextLength)) - throw InvalidArgument("PK_DefaultDecryptionFilter: ciphertext too long"); - size_t maxPlaintextLength = m_decryptor.MaxPlaintextLength(ciphertextLength); - - SecByteBlock ciphertext(ciphertextLength); - m_ciphertextQueue.Get(ciphertext, ciphertextLength); - m_plaintext.resize(maxPlaintextLength); - m_result = m_decryptor.Decrypt(m_rng, ciphertext, ciphertextLength, m_plaintext, m_parameters); - if (!m_result.isValidCoding) - throw InvalidCiphertext(m_decryptor.AlgorithmName() + ": invalid ciphertext"); - } - - FILTER_OUTPUT(1, m_plaintext, m_result.messageLength, messageEnd); - } - FILTER_END_NO_MESSAGE_END; - } - - RandomNumberGenerator &m_rng; - const PK_Decryptor &m_decryptor; - const NameValuePairs &m_parameters; - ByteQueue m_ciphertextQueue; - SecByteBlock m_plaintext; - DecodingResult m_result; -}; - -BufferedTransformation * PK_Decryptor::CreateDecryptionFilter(RandomNumberGenerator &rng, BufferedTransformation *attachment, const NameValuePairs ¶meters) const -{ - return new PK_DefaultDecryptionFilter(rng, *this, attachment, parameters); -} - -size_t PK_Signer::Sign(RandomNumberGenerator &rng, PK_MessageAccumulator *messageAccumulator, byte *signature) const -{ - std::auto_ptr<PK_MessageAccumulator> m(messageAccumulator); - return SignAndRestart(rng, *m, signature, false); -} - -size_t PK_Signer::SignMessage(RandomNumberGenerator &rng, const byte *message, size_t messageLen, byte *signature) const -{ - std::auto_ptr<PK_MessageAccumulator> m(NewSignatureAccumulator(rng)); - m->Update(message, messageLen); - return SignAndRestart(rng, *m, signature, false); -} - -size_t PK_Signer::SignMessageWithRecovery(RandomNumberGenerator &rng, const byte *recoverableMessage, size_t recoverableMessageLength, - const byte *nonrecoverableMessage, size_t nonrecoverableMessageLength, byte *signature) const -{ - std::auto_ptr<PK_MessageAccumulator> m(NewSignatureAccumulator(rng)); - InputRecoverableMessage(*m, recoverableMessage, recoverableMessageLength); - m->Update(nonrecoverableMessage, nonrecoverableMessageLength); - return SignAndRestart(rng, *m, signature, false); -} - -bool PK_Verifier::Verify(PK_MessageAccumulator *messageAccumulator) const -{ - std::auto_ptr<PK_MessageAccumulator> m(messageAccumulator); - return VerifyAndRestart(*m); -} - -bool PK_Verifier::VerifyMessage(const byte *message, size_t messageLen, const byte *signature, size_t signatureLength) const -{ - std::auto_ptr<PK_MessageAccumulator> m(NewVerificationAccumulator()); - InputSignature(*m, signature, signatureLength); - m->Update(message, messageLen); - return VerifyAndRestart(*m); -} - -DecodingResult PK_Verifier::Recover(byte *recoveredMessage, PK_MessageAccumulator *messageAccumulator) const -{ - std::auto_ptr<PK_MessageAccumulator> m(messageAccumulator); - return RecoverAndRestart(recoveredMessage, *m); -} - -DecodingResult PK_Verifier::RecoverMessage(byte *recoveredMessage, - const byte *nonrecoverableMessage, size_t nonrecoverableMessageLength, - const byte *signature, size_t signatureLength) const -{ - std::auto_ptr<PK_MessageAccumulator> m(NewVerificationAccumulator()); - InputSignature(*m, signature, signatureLength); - m->Update(nonrecoverableMessage, nonrecoverableMessageLength); - return RecoverAndRestart(recoveredMessage, *m); -} - -void SimpleKeyAgreementDomain::GenerateKeyPair(RandomNumberGenerator &rng, byte *privateKey, byte *publicKey) const -{ - GeneratePrivateKey(rng, privateKey); - GeneratePublicKey(rng, privateKey, publicKey); -} - -void AuthenticatedKeyAgreementDomain::GenerateStaticKeyPair(RandomNumberGenerator &rng, byte *privateKey, byte *publicKey) const -{ - GenerateStaticPrivateKey(rng, privateKey); - GenerateStaticPublicKey(rng, privateKey, publicKey); -} - -void AuthenticatedKeyAgreementDomain::GenerateEphemeralKeyPair(RandomNumberGenerator &rng, byte *privateKey, byte *publicKey) const -{ - GenerateEphemeralPrivateKey(rng, privateKey); - GenerateEphemeralPublicKey(rng, privateKey, publicKey); -} - -NAMESPACE_END - -#endif |