remove unused stuff

This commit is contained in:
Glenn Maynard
2005-01-13 22:14:14 +00:00
parent 2bbc72dd1f
commit fcda95a607
12 changed files with 11 additions and 785 deletions
+6 -260
View File
@@ -226,8 +226,9 @@ FilterWithBufferedInput::FilterWithBufferedInput(unsigned int firstSize, unsigne
: Filter(attachment), m_firstSize(firstSize), m_blockSize(blockSize), m_lastSize(lastSize)
, m_firstInputDone(false)
{
if (m_firstSize < 0 || m_blockSize < 1 || m_lastSize < 0)
throw InvalidArgument("FilterWithBufferedInput: invalid buffer size");
ASSERT( m_firstSize >= 0 );
ASSERT( m_blockSize >= 1 );
ASSERT( m_lastSize >= 0 );
m_queue.ResetQueue(1, m_firstSize);
}
@@ -235,8 +236,9 @@ FilterWithBufferedInput::FilterWithBufferedInput(unsigned int firstSize, unsigne
void FilterWithBufferedInput::IsolatedInitialize(const NameValuePairs &parameters)
{
InitializeDerivedAndReturnNewSizes(parameters, m_firstSize, m_blockSize, m_lastSize);
if (m_firstSize < 0 || m_blockSize < 1 || m_lastSize < 0)
throw InvalidArgument("FilterWithBufferedInput: invalid buffer size");
ASSERT( m_firstSize >= 0 );
ASSERT( m_blockSize >= 1 );
ASSERT( m_lastSize >= 0 );
m_queue.ResetQueue(1, m_firstSize);
m_firstInputDone = false;
}
@@ -389,38 +391,6 @@ void Redirector::ChannelInitialize(const std::string &channel, const NameValuePa
// *************************************************************
ProxyFilter::ProxyFilter(BufferedTransformation *filter, unsigned int firstSize, unsigned int lastSize, BufferedTransformation *attachment)
: FilterWithBufferedInput(firstSize, 1, lastSize, attachment), m_filter(filter)
{
if (m_filter.get())
m_filter->Attach(new OutputProxy(*this, false));
}
bool ProxyFilter::IsolatedFlush(bool hardFlush, bool blocking)
{
return m_filter.get() ? m_filter->Flush(hardFlush, -1, blocking) : false;
}
void ProxyFilter::SetFilter(Filter *filter)
{
m_filter.reset(filter);
if (filter)
{
OutputProxy *proxy;
std::auto_ptr<OutputProxy> temp(proxy = new OutputProxy(*this, false));
m_filter->TransferAllTo(*proxy);
m_filter->Attach(temp.release());
}
}
void ProxyFilter::NextPutMultiple(const byte *s, unsigned int len)
{
if (m_filter.get())
m_filter->Put(s, len);
}
// *************************************************************
unsigned int ArraySink::Put2(const byte *begin, unsigned int length, int messageEnd, bool blocking)
{
memcpy(m_buf+m_total, begin, STDMIN(length, SaturatingSubtract(m_size, m_total)));
@@ -453,171 +423,6 @@ unsigned int ArrayXorSink::Put2(const byte *begin, unsigned int length, int mess
// *************************************************************
unsigned int StreamTransformationFilter::LastBlockSize(StreamTransformation &c, BlockPaddingScheme padding)
{
if (c.MinLastBlockSize() > 0)
return c.MinLastBlockSize();
else if (c.MandatoryBlockSize() > 1 && !c.IsForwardTransformation() && padding != NO_PADDING && padding != ZEROS_PADDING)
return c.MandatoryBlockSize();
else
return 0;
}
StreamTransformationFilter::StreamTransformationFilter(StreamTransformation &c, BufferedTransformation *attachment, BlockPaddingScheme padding)
: FilterWithBufferedInput(0, c.MandatoryBlockSize(), LastBlockSize(c, padding), attachment)
, m_cipher(c)
{
assert(c.MinLastBlockSize() == 0 || c.MinLastBlockSize() > c.MandatoryBlockSize());
bool isBlockCipher = (c.MandatoryBlockSize() > 1 && c.MinLastBlockSize() == 0);
if (padding == DEFAULT_PADDING)
{
if (isBlockCipher)
m_padding = PKCS_PADDING;
else
m_padding = NO_PADDING;
}
else
m_padding = padding;
if (!isBlockCipher && (m_padding == PKCS_PADDING || m_padding == ONE_AND_ZEROS_PADDING))
throw InvalidArgument("StreamTransformationFilter: PKCS_PADDING and ONE_AND_ZEROS_PADDING cannot be used with " + c.AlgorithmName());
}
void StreamTransformationFilter::FirstPut(const byte *inString)
{
m_optimalBufferSize = m_cipher.OptimalBlockSize();
m_optimalBufferSize = STDMAX(m_optimalBufferSize, RoundDownToMultipleOf(4096U, m_optimalBufferSize));
}
void StreamTransformationFilter::NextPutMultiple(const byte *inString, unsigned int length)
{
if (!length)
return;
unsigned int s = m_cipher.MandatoryBlockSize();
do
{
unsigned int len = m_optimalBufferSize;
byte *space = HelpCreatePutSpace(*AttachedTransformation(), NULL_CHANNEL, s, length, len);
if (len < length)
{
if (len == m_optimalBufferSize)
len -= m_cipher.GetOptimalBlockSizeUsed();
len = RoundDownToMultipleOf(len, s);
}
else
len = length;
m_cipher.ProcessString(space, inString, len);
AttachedTransformation()->PutModifiable(space, len);
inString += len;
length -= len;
}
while (length > 0);
}
void StreamTransformationFilter::NextPutModifiable(byte *inString, unsigned int length)
{
m_cipher.ProcessString(inString, length);
AttachedTransformation()->PutModifiable(inString, length);
}
void StreamTransformationFilter::LastPut(const byte *inString, unsigned int length)
{
byte *space = NULL;
switch (m_padding)
{
case NO_PADDING:
case ZEROS_PADDING:
if (length > 0)
{
unsigned int minLastBlockSize = m_cipher.MinLastBlockSize();
bool isForwardTransformation = m_cipher.IsForwardTransformation();
if (isForwardTransformation && m_padding == ZEROS_PADDING && (minLastBlockSize == 0 || length < minLastBlockSize))
{
// do padding
unsigned int blockSize = STDMAX(minLastBlockSize, m_cipher.MandatoryBlockSize());
space = HelpCreatePutSpace(*AttachedTransformation(), NULL_CHANNEL, blockSize);
memcpy(space, inString, length);
memset(space + length, 0, blockSize - length);
m_cipher.ProcessLastBlock(space, space, blockSize);
AttachedTransformation()->Put(space, blockSize);
}
else
{
if (minLastBlockSize == 0)
{
if (isForwardTransformation)
throw InvalidDataFormat("StreamTransformationFilter: plaintext length is not a multiple of block size and NO_PADDING is specified");
else
throw InvalidCiphertext("StreamTransformationFilter: ciphertext length is not a multiple of block size");
}
space = HelpCreatePutSpace(*AttachedTransformation(), NULL_CHANNEL, length, m_optimalBufferSize);
m_cipher.ProcessLastBlock(space, inString, length);
AttachedTransformation()->Put(space, length);
}
}
break;
case PKCS_PADDING:
case ONE_AND_ZEROS_PADDING:
unsigned int s;
s = m_cipher.MandatoryBlockSize();
assert(s > 1);
space = HelpCreatePutSpace(*AttachedTransformation(), NULL_CHANNEL, s, m_optimalBufferSize);
if (m_cipher.IsForwardTransformation())
{
assert(length < s);
memcpy(space, inString, length);
if (m_padding == PKCS_PADDING)
{
assert(s < 256);
byte pad = s-length;
memset(space+length, pad, s-length);
}
else
{
space[length] = 1;
memset(space+length+1, 0, s-length-1);
}
m_cipher.ProcessData(space, space, s);
AttachedTransformation()->Put(space, s);
}
else
{
if (length != s)
throw InvalidCiphertext("StreamTransformationFilter: ciphertext length is not a multiple of block size");
m_cipher.ProcessData(space, inString, s);
if (m_padding == PKCS_PADDING)
{
byte pad = space[s-1];
if (pad < 1 || pad > s || std::find_if(space+s-pad, space+s, std::bind2nd(std::not_equal_to<byte>(), pad)) != space+s)
throw InvalidCiphertext("StreamTransformationFilter: invalid PKCS #7 block padding found");
length = s-pad;
}
else
{
while (length > 1 && space[length-1] == '\0')
--length;
if (space[--length] != '\1')
throw InvalidCiphertext("StreamTransformationFilter: invalid ones-and-zeros padding found");
}
AttachedTransformation()->Put(space, length);
}
break;
default:
assert(false);
}
}
// *************************************************************
void HashFilter::IsolatedInitialize(const NameValuePairs &parameters)
{
m_putMessage = parameters.GetValueWithDefault(Name::PutMessage(), false);
@@ -644,65 +449,6 @@ unsigned int HashFilter::Put2(const byte *inString, unsigned int length, int mes
// *************************************************************
HashVerificationFilter::HashVerificationFilter(HashTransformation &hm, BufferedTransformation *attachment, word32 flags)
: FilterWithBufferedInput(attachment)
, m_hashModule(hm)
{
IsolatedInitialize(MakeParameters(Name::HashVerificationFilterFlags(), flags));
}
void HashVerificationFilter::InitializeDerivedAndReturnNewSizes(const NameValuePairs &parameters, unsigned int &firstSize, unsigned int &blockSize, unsigned int &lastSize)
{
m_flags = parameters.GetValueWithDefault(Name::HashVerificationFilterFlags(), (word32)DEFAULT_FLAGS);
m_hashModule.Restart();
unsigned int size = m_hashModule.DigestSize();
m_verified = false;
firstSize = m_flags & HASH_AT_BEGIN ? size : 0;
blockSize = 1;
lastSize = m_flags & HASH_AT_BEGIN ? 0 : size;
}
void HashVerificationFilter::FirstPut(const byte *inString)
{
if (m_flags & HASH_AT_BEGIN)
{
m_expectedHash.New(m_hashModule.DigestSize());
memcpy(m_expectedHash, inString, m_expectedHash.size());
if (m_flags & PUT_HASH)
AttachedTransformation()->Put(inString, m_expectedHash.size());
}
}
void HashVerificationFilter::NextPutMultiple(const byte *inString, unsigned int length)
{
m_hashModule.Update(inString, length);
if (m_flags & PUT_MESSAGE)
AttachedTransformation()->Put(inString, length);
}
void HashVerificationFilter::LastPut(const byte *inString, unsigned int length)
{
if (m_flags & HASH_AT_BEGIN)
{
assert(length == 0);
m_verified = m_hashModule.Verify(m_expectedHash);
}
else
{
m_verified = (length==m_hashModule.DigestSize() && m_hashModule.Verify(inString));
if (m_flags & PUT_HASH)
AttachedTransformation()->Put(inString, length);
}
if (m_flags & PUT_RESULT)
AttachedTransformation()->Put(m_verified);
if ((m_flags & THROW_EXCEPTION) && !m_verified)
throw HashVerificationFailed();
}
// *************************************************************
void SignerFilter::IsolatedInitialize(const NameValuePairs &parameters)
{
m_putMessage = parameters.GetValueWithDefault(Name::PutMessage(), false);
-105
View File
@@ -233,33 +233,6 @@ protected:
ByteQueue m_inQueue;
};
//! Filter Wrapper for StreamTransformation
class StreamTransformationFilter : public FilterWithBufferedInput, private FilterPutSpaceHelper
{
public:
enum BlockPaddingScheme {NO_PADDING, ZEROS_PADDING, PKCS_PADDING, ONE_AND_ZEROS_PADDING, DEFAULT_PADDING};
/*! DEFAULT_PADDING means PKCS_PADDING if c.MandatoryBlockSize() > 1 && c.MinLastBlockSize() == 0 (e.g. ECB or CBC mode),
otherwise NO_PADDING (OFB, CFB, CTR, CBC-CTS modes) */
StreamTransformationFilter(StreamTransformation &c, BufferedTransformation *attachment = NULL, BlockPaddingScheme padding = DEFAULT_PADDING);
void FirstPut(const byte *inString);
void NextPutMultiple(const byte *inString, unsigned int length);
void NextPutModifiable(byte *inString, unsigned int length);
void LastPut(const byte *inString, unsigned int length);
// byte * CreatePutSpace(unsigned int &size);
protected:
static unsigned int LastBlockSize(StreamTransformation &c, BlockPaddingScheme padding);
StreamTransformation &m_cipher;
BlockPaddingScheme m_padding;
unsigned int m_optimalBufferSize;
};
#ifdef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY
typedef StreamTransformationFilter StreamCipherFilter;
#endif
//! Filter Wrapper for HashTransformation
class HashFilter : public Bufferless<Filter>, private FilterPutSpaceHelper
{
@@ -278,40 +251,6 @@ private:
byte *m_space;
};
//! Filter Wrapper for HashTransformation
class HashVerificationFilter : public FilterWithBufferedInput
{
public:
class HashVerificationFailed : public Exception
{
public:
HashVerificationFailed()
: Exception(DATA_INTEGRITY_CHECK_FAILED, "HashVerifier: message hash not valid") {}
};
enum Flags {HASH_AT_BEGIN=1, PUT_MESSAGE=2, PUT_HASH=4, PUT_RESULT=8, THROW_EXCEPTION=16, DEFAULT_FLAGS = HASH_AT_BEGIN | PUT_RESULT};
HashVerificationFilter(HashTransformation &hm, BufferedTransformation *attachment = NULL, word32 flags = DEFAULT_FLAGS);
bool GetLastResult() const {return m_verified;}
protected:
void InitializeDerivedAndReturnNewSizes(const NameValuePairs &parameters, unsigned int &firstSize, unsigned int &blockSize, unsigned int &lastSize);
void FirstPut(const byte *inString);
void NextPutMultiple(const byte *inString, unsigned int length);
void LastPut(const byte *inString, unsigned int length);
private:
static inline unsigned int FirstSize(word32 flags, HashTransformation &hm) {return flags & HASH_AT_BEGIN ? hm.DigestSize() : 0;}
static inline unsigned int LastSize(word32 flags, HashTransformation &hm) {return flags & HASH_AT_BEGIN ? 0 : hm.DigestSize();}
HashTransformation &m_hashModule;
word32 m_flags;
SecByteBlock m_expectedHash;
bool m_verified;
};
typedef HashVerificationFilter HashVerifier; // for backwards compatibility
//! Filter Wrapper for PK_Signer
class SignerFilter : public Unflushable<Filter>
{
@@ -434,50 +373,6 @@ private:
bool m_passSignal;
};
//! Base class for Filter classes that are proxies for a chain of other filters.
class ProxyFilter : public FilterWithBufferedInput
{
public:
ProxyFilter(BufferedTransformation *filter, unsigned int firstSize, unsigned int lastSize, BufferedTransformation *attachment);
bool IsolatedFlush(bool hardFlush, bool blocking);
void SetFilter(Filter *filter);
void NextPutMultiple(const byte *s, unsigned int len);
protected:
member_ptr<BufferedTransformation> m_filter;
};
//! simple proxy filter that doesn't modify the underlying filter's input or output
class SimpleProxyFilter : public ProxyFilter
{
public:
SimpleProxyFilter(BufferedTransformation *filter, BufferedTransformation *attachment)
: ProxyFilter(filter, 0, 0, attachment) {}
void FirstPut(const byte *) {}
void LastPut(const byte *, unsigned int) {m_filter->MessageEnd();}
};
//! proxy for the filter created by PK_Encryptor::CreateEncryptionFilter
/*! This class is here just to provide symmetry with VerifierFilter. */
class PK_EncryptorFilter : public SimpleProxyFilter
{
public:
PK_EncryptorFilter(RandomNumberGenerator &rng, const PK_Encryptor &encryptor, BufferedTransformation *attachment = NULL)
: SimpleProxyFilter(encryptor.CreateEncryptionFilter(rng), attachment) {}
};
//! proxy for the filter created by PK_Decryptor::CreateDecryptionFilter
/*! This class is here just to provide symmetry with SignerFilter. */
class PK_DecryptorFilter : public SimpleProxyFilter
{
public:
PK_DecryptorFilter(RandomNumberGenerator &rng, const PK_Decryptor &decryptor, BufferedTransformation *attachment = NULL)
: SimpleProxyFilter(decryptor.CreateDecryptionFilter(rng), attachment) {}
};
//! Append input to a string object
template <class T>
class StringSinkTemplate : public Bufferless<Sink>
-54
View File
@@ -102,58 +102,4 @@ void BlockOrientedCipherModeBase::ProcessData(byte *outString, const byte *inStr
}
}
void CBC_Encryption::ProcessBlocks(byte *outString, const byte *inString, unsigned int numberOfBlocks)
{
unsigned int blockSize = BlockSize();
while (numberOfBlocks--)
{
xorbuf(m_register, inString, blockSize);
m_cipher->ProcessBlock(m_register);
memcpy(outString, m_register, blockSize);
inString += blockSize;
outString += blockSize;
}
}
void CBC_CTS_Encryption::ProcessLastBlock(byte *outString, const byte *inString, unsigned int length)
{
if (length <= BlockSize())
{
if (!m_stolenIV)
throw InvalidArgument("CBC_Encryption: message is too short for ciphertext stealing");
// steal from IV
memcpy(outString, m_register, length);
outString = m_stolenIV;
}
else
{
// steal from next to last block
xorbuf(m_register, inString, BlockSize());
m_cipher->ProcessBlock(m_register);
inString += BlockSize();
length -= BlockSize();
memcpy(outString+BlockSize(), m_register, length);
}
// output last full ciphertext block
xorbuf(m_register, inString, length);
m_cipher->ProcessBlock(m_register);
memcpy(outString, m_register, BlockSize());
}
void CBC_Decryption::ProcessBlocks(byte *outString, const byte *inString, unsigned int numberOfBlocks)
{
unsigned int blockSize = BlockSize();
while (numberOfBlocks--)
{
memcpy(m_temp, inString, blockSize);
m_cipher->ProcessBlock(m_temp, outString);
xorbuf(outString, m_register, blockSize);
m_register.swap(m_temp);
inString += blockSize;
outString += blockSize;
}
}
NAMESPACE_END
-8
View File
@@ -211,14 +211,6 @@ struct CFB_Mode : public CipherModeDocumentation
typedef CipherModeFinalTemplate_CipherHolder<CPP_TYPENAME CIPHER::Encryption, ConcretePolicyHolder<Empty, CFB_DecryptionTemplate<AbstractPolicyHolder<CFB_CipherAbstractPolicy, CFB_ModePolicy> > > > Decryption;
};
//! CBC mode
template <class CIPHER>
struct CBC_Mode : public CipherModeDocumentation
{
typedef CipherModeFinalTemplate_CipherHolder<CPP_TYPENAME CIPHER::Encryption, CBC_Encryption> Encryption;
typedef CipherModeFinalTemplate_CipherHolder<CPP_TYPENAME CIPHER::Decryption, CBC_Decryption> Decryption;
};
NAMESPACE_END
#endif
-72
View File
@@ -90,78 +90,6 @@ public:
void Reseed(bool blocking = false, unsigned int seedSize = 32);
};
//! RNG from ANSI X9.17 Appendix C, seeded using an OS provided RNG
template <class BLOCK_CIPHER>
class AutoSeededX917RNG : public RandomNumberGenerator
{
public:
//! blocking will be ignored if the prefered RNG isn't available
explicit AutoSeededX917RNG(bool blocking = false)
{Reseed(blocking);}
void Reseed(bool blocking = false);
// exposed for testing
void Reseed(const byte *key, unsigned int keylength, const byte *seed, unsigned long timeVector);
byte GenerateByte();
private:
member_ptr<RandomNumberGenerator> m_rng;
SecByteBlock m_lastBlock;
bool m_isDifferent;
unsigned int m_counter;
};
template <class BLOCK_CIPHER>
void AutoSeededX917RNG<BLOCK_CIPHER>::Reseed(const byte *key, unsigned int keylength, const byte *seed, unsigned long timeVector)
{
m_rng.reset(new X917RNG(new typename BLOCK_CIPHER::Encryption(key, keylength), seed, timeVector));
// for FIPS 140-2
m_lastBlock.resize(16);
m_rng->GenerateBlock(m_lastBlock, m_lastBlock.size());
m_counter = 0;
m_isDifferent = false;
}
template <class BLOCK_CIPHER>
void AutoSeededX917RNG<BLOCK_CIPHER>::Reseed(bool blocking)
{
SecByteBlock seed(BLOCK_CIPHER::BLOCKSIZE + BLOCK_CIPHER::DEFAULT_KEYLENGTH);
const byte *key;
do
{
OS_GenerateRandomBlock(blocking, seed, seed.size());
key = seed + BLOCK_CIPHER::BLOCKSIZE;
} // check that seed and key don't have same value
while (memcmp(key, seed, STDMIN((unsigned int)BLOCK_CIPHER::BLOCKSIZE, (unsigned int)BLOCK_CIPHER::DEFAULT_KEYLENGTH)) == 0);
Reseed(key, BLOCK_CIPHER::DEFAULT_KEYLENGTH, seed, 0);
}
template <class BLOCK_CIPHER>
byte AutoSeededX917RNG<BLOCK_CIPHER>::GenerateByte()
{
byte b = m_rng->GenerateByte();
// for FIPS 140-2
m_isDifferent = m_isDifferent || b != m_lastBlock[m_counter];
m_lastBlock[m_counter] = b;
++m_counter;
if (m_counter == m_lastBlock.size())
{
if (!m_isDifferent)
// This originally threw a SelfTestFailure, which is
// only available from fips140.h, which I figure
// probably was excluded for a good reason. Here's
// my workaround.
throw Exception(Exception::OTHER_ERROR, "AutoSeededX917RNG: Continuous random number generator test failed.");
m_counter = 0;
m_isDifferent = false;
}
return b;
}
NAMESPACE_END
#endif
-21
View File
@@ -9,27 +9,6 @@ NAMESPACE_BEGIN(CryptoPP)
template<> const byte PKCS_DigestDecoration<SHA>::decoration[] = {0x30,0x21,0x30,0x09,0x06,0x05,0x2B,0x0E,0x03,0x02,0x1A,0x05,0x00,0x04,0x14};
template<> const unsigned int PKCS_DigestDecoration<SHA>::length = sizeof(PKCS_DigestDecoration<SHA>::decoration);
template<> const byte PKCS_DigestDecoration<MD2>::decoration[] = {0x30,0x20,0x30,0x0c,0x06,0x08,0x2a,0x86,0x48,0x86,0xf7,0x0d,0x02,0x02,0x05,0x00,0x04,0x10};
template<> const unsigned int PKCS_DigestDecoration<MD2>::length = sizeof(PKCS_DigestDecoration<MD2>::decoration);
template<> const byte PKCS_DigestDecoration<MD5>::decoration[] = {0x30,0x20,0x30,0x0c,0x06,0x08,0x2a,0x86,0x48,0x86,0xf7,0x0d,0x02,0x05,0x05,0x00,0x04,0x10};
template<> const unsigned int PKCS_DigestDecoration<MD5>::length = sizeof(PKCS_DigestDecoration<MD5>::decoration);
template<> const byte PKCS_DigestDecoration<RIPEMD160>::decoration[] = {0x30,0x21,0x30,0x09,0x06,0x05,0x2b,0x24,0x03,0x02,0x01,0x05,0x00,0x04,0x14};
template<> const unsigned int PKCS_DigestDecoration<RIPEMD160>::length = sizeof(PKCS_DigestDecoration<RIPEMD160>::decoration);
template<> const byte PKCS_DigestDecoration<Tiger>::decoration[] = {0x30,0x29,0x30,0x0D,0x06,0x09,0x2B,0x06,0x01,0x04,0x01,0xDA,0x47,0x0C,0x02,0x05,0x00,0x04,0x18};
template<> const unsigned int PKCS_DigestDecoration<Tiger>::length = sizeof(PKCS_DigestDecoration<Tiger>::decoration);
template<> const byte PKCS_DigestDecoration<SHA256>::decoration[] = {0x30,0x31,0x30,0x0d,0x06,0x09,0x60,0x86,0x48,0x01,0x65,0x03,0x04,0x02,0x01,0x05,0x00,0x04,0x20};
template<> const unsigned int PKCS_DigestDecoration<SHA256>::length = sizeof(PKCS_DigestDecoration<SHA256>::decoration);
template<> const byte PKCS_DigestDecoration<SHA384>::decoration[] = {0x30,0x41,0x30,0x0d,0x06,0x09,0x60,0x86,0x48,0x01,0x65,0x03,0x04,0x02,0x02,0x05,0x00,0x04,0x30};
template<> const unsigned int PKCS_DigestDecoration<SHA384>::length = sizeof(PKCS_DigestDecoration<SHA384>::decoration);
template<> const byte PKCS_DigestDecoration<SHA512>::decoration[] = {0x30,0x51,0x30,0x0d,0x06,0x09,0x60,0x86,0x48,0x01,0x65,0x03,0x04,0x02,0x03,0x05,0x00,0x04,0x40};
template<> const unsigned int PKCS_DigestDecoration<SHA512>::length = sizeof(PKCS_DigestDecoration<SHA512>::decoration);
unsigned int PKCS_EncryptionPaddingScheme::MaxUnpaddedLength(unsigned int paddedLength) const
{
return SaturatingSubtract(paddedLength/8, 10U);
-7
View File
@@ -57,13 +57,6 @@ struct PKCS1v15 : public SignatureStandard, public EncryptionStandard
// PKCS_DecoratedHashModule can be instantiated with the following
// classes as specified in PKCS#1 v2.0 and P1363a
class SHA;
class MD2;
class MD5;
class RIPEMD160;
class Tiger;
class SHA256;
class SHA384;
class SHA512;
NAMESPACE_END
+1 -2
View File
@@ -61,8 +61,7 @@ unsigned int RandomPool::Put2(const byte *inString, unsigned int length, int mes
unsigned int RandomPool::TransferTo2(BufferedTransformation &target, unsigned long &transferBytes, const std::string &channel, bool blocking)
{
if (!blocking)
throw NotImplemented("RandomPool: nonblocking transfer is not implemented by this object");
ASSERT( blocking );
unsigned int t;
unsigned long size = transferBytes;
+4 -6
View File
@@ -84,13 +84,12 @@ void InvertibleRSAFunction::GenerateRandom(RandomNumberGenerator &rng, const Nam
int modulusSize = 2048;
alg.GetIntValue("ModulusSize", modulusSize) || alg.GetIntValue("KeySize", modulusSize);
if (modulusSize < 16)
throw InvalidArgument("InvertibleRSAFunction: specified modulus size is too small");
ASSERT( modulusSize >= 16 );
m_e = alg.GetValueWithDefault("PublicExponent", Integer(17));
if (m_e < 3 || m_e.IsEven())
throw InvalidArgument("InvertibleRSAFunction: invalid public exponent");
ASSERT( m_e >= 3 );
ASSERT( !m_e.IsEven() );
RSAPrimeSelector selector(m_e);
const NameValuePairs &primeParam = MakeParametersForTwoPrimesOfEqualSize(modulusSize)
@@ -188,8 +187,7 @@ Integer InvertibleRSAFunction::CalculateInverse(RandomNumberGenerator &rng, cons
// but in ModRoot, u=p inverse mod q, so we reverse the order of p and q
Integer y = ModularRoot(re, m_dq, m_dp, m_q, m_p, m_u);
y = modn.Divide(y, r); // unblind
if (modn.Exponentiate(y, m_e) != x) // check
throw Exception(Exception::OTHER_ERROR, "InvertibleRSAFunction: computational error during private key operation");
ASSERT( modn.Exponentiate(y, m_e) == x ); // check
return y;
}
-9
View File
@@ -122,9 +122,6 @@ struct RSASS : public TF_SS<STANDARD, H, RSA>
};
// The two RSA encryption schemes defined in PKCS #1 v2.0
typedef RSAES<PKCS1v15>::Decryptor RSAES_PKCS1v15_Decryptor;
typedef RSAES<PKCS1v15>::Encryptor RSAES_PKCS1v15_Encryptor;
typedef RSAES<OAEP<SHA> >::Decryptor RSAES_OAEP_SHA_Decryptor;
typedef RSAES<OAEP<SHA> >::Encryptor RSAES_OAEP_SHA_Encryptor;
@@ -132,12 +129,6 @@ typedef RSAES<OAEP<SHA> >::Encryptor RSAES_OAEP_SHA_Encryptor;
typedef RSASS<PKCS1v15, SHA>::Signer RSASSA_PKCS1v15_SHA_Signer;
typedef RSASS<PKCS1v15, SHA>::Verifier RSASSA_PKCS1v15_SHA_Verifier;
typedef RSASS<PKCS1v15, MD2>::Signer RSASSA_PKCS1v15_MD2_Signer;
typedef RSASS<PKCS1v15, MD2>::Verifier RSASSA_PKCS1v15_MD2_Verifier;
typedef RSASS<PKCS1v15, MD5>::Signer RSASSA_PKCS1v15_MD5_Signer;
typedef RSASS<PKCS1v15, MD5>::Verifier RSASSA_PKCS1v15_MD5_Verifier;
NAMESPACE_END
#endif
-194
View File
@@ -80,198 +80,4 @@ void SHA::Transform(word32 *state, const word32 *data)
// *************************************************************
void SHA256::Init()
{
m_digest[0] = 0x6a09e667;
m_digest[1] = 0xbb67ae85;
m_digest[2] = 0x3c6ef372;
m_digest[3] = 0xa54ff53a;
m_digest[4] = 0x510e527f;
m_digest[5] = 0x9b05688c;
m_digest[6] = 0x1f83d9ab;
m_digest[7] = 0x5be0cd19;
}
#define blk2(i) (W[i&15]+=s1(W[(i-2)&15])+W[(i-7)&15]+s0(W[(i-15)&15]))
#define Ch(x,y,z) (z^(x&(y^z)))
#define Maj(x,y,z) ((x&y)|(z&(x|y)))
#define a(i) T[(0-i)&7]
#define b(i) T[(1-i)&7]
#define c(i) T[(2-i)&7]
#define d(i) T[(3-i)&7]
#define e(i) T[(4-i)&7]
#define f(i) T[(5-i)&7]
#define g(i) T[(6-i)&7]
#define h(i) T[(7-i)&7]
#define R(i) h(i)+=S1(e(i))+Ch(e(i),f(i),g(i))+K[i+j]+(j?blk2(i):blk0(i));\
d(i)+=h(i);h(i)+=S0(a(i))+Maj(a(i),b(i),c(i))
// for SHA256
#define S0(x) (rotrFixed(x,2)^rotrFixed(x,13)^rotrFixed(x,22))
#define S1(x) (rotrFixed(x,6)^rotrFixed(x,11)^rotrFixed(x,25))
#define s0(x) (rotrFixed(x,7)^rotrFixed(x,18)^(x>>3))
#define s1(x) (rotrFixed(x,17)^rotrFixed(x,19)^(x>>10))
void SHA256::Transform(word32 *state, const word32 *data)
{
word32 W[16];
word32 T[8];
/* Copy context->state[] to working vars */
memcpy(T, state, sizeof(T));
/* 64 operations, partially loop unrolled */
for (unsigned int j=0; j<64; j+=16)
{
R( 0); R( 1); R( 2); R( 3);
R( 4); R( 5); R( 6); R( 7);
R( 8); R( 9); R(10); R(11);
R(12); R(13); R(14); R(15);
}
/* Add the working vars back into context.state[] */
state[0] += a(0);
state[1] += b(0);
state[2] += c(0);
state[3] += d(0);
state[4] += e(0);
state[5] += f(0);
state[6] += g(0);
state[7] += h(0);
/* Wipe variables */
memset(W, 0, sizeof(W));
memset(T, 0, sizeof(T));
}
const word32 SHA256::K[64] = {
0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5,
0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5,
0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3,
0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174,
0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc,
0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da,
0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7,
0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967,
0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13,
0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85,
0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3,
0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070,
0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5,
0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3,
0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208,
0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2
};
#undef S0
#undef S1
#undef s0
#undef s1
// *************************************************************
#ifdef WORD64_AVAILABLE
void SHA512::Init()
{
m_digest[0] = W64LIT(0x6a09e667f3bcc908);
m_digest[1] = W64LIT(0xbb67ae8584caa73b);
m_digest[2] = W64LIT(0x3c6ef372fe94f82b);
m_digest[3] = W64LIT(0xa54ff53a5f1d36f1);
m_digest[4] = W64LIT(0x510e527fade682d1);
m_digest[5] = W64LIT(0x9b05688c2b3e6c1f);
m_digest[6] = W64LIT(0x1f83d9abfb41bd6b);
m_digest[7] = W64LIT(0x5be0cd19137e2179);
}
// for SHA512
#define S0(x) (rotrFixed(x,28)^rotrFixed(x,34)^rotrFixed(x,39))
#define S1(x) (rotrFixed(x,14)^rotrFixed(x,18)^rotrFixed(x,41))
#define s0(x) (rotrFixed(x,1)^rotrFixed(x,8)^(x>>7))
#define s1(x) (rotrFixed(x,19)^rotrFixed(x,61)^(x>>6))
void SHA512::Transform(word64 *state, const word64 *data)
{
word64 W[16];
word64 T[8];
/* Copy context->state[] to working vars */
memcpy(T, state, sizeof(T));
/* 80 operations, partially loop unrolled */
for (unsigned int j=0; j<80; j+=16)
{
R( 0); R( 1); R( 2); R( 3);
R( 4); R( 5); R( 6); R( 7);
R( 8); R( 9); R(10); R(11);
R(12); R(13); R(14); R(15);
}
/* Add the working vars back into context.state[] */
state[0] += a(0);
state[1] += b(0);
state[2] += c(0);
state[3] += d(0);
state[4] += e(0);
state[5] += f(0);
state[6] += g(0);
state[7] += h(0);
/* Wipe variables */
memset(W, 0, sizeof(W));
memset(T, 0, sizeof(T));
}
const word64 SHA512::K[80] = {
W64LIT(0x428a2f98d728ae22), W64LIT(0x7137449123ef65cd),
W64LIT(0xb5c0fbcfec4d3b2f), W64LIT(0xe9b5dba58189dbbc),
W64LIT(0x3956c25bf348b538), W64LIT(0x59f111f1b605d019),
W64LIT(0x923f82a4af194f9b), W64LIT(0xab1c5ed5da6d8118),
W64LIT(0xd807aa98a3030242), W64LIT(0x12835b0145706fbe),
W64LIT(0x243185be4ee4b28c), W64LIT(0x550c7dc3d5ffb4e2),
W64LIT(0x72be5d74f27b896f), W64LIT(0x80deb1fe3b1696b1),
W64LIT(0x9bdc06a725c71235), W64LIT(0xc19bf174cf692694),
W64LIT(0xe49b69c19ef14ad2), W64LIT(0xefbe4786384f25e3),
W64LIT(0x0fc19dc68b8cd5b5), W64LIT(0x240ca1cc77ac9c65),
W64LIT(0x2de92c6f592b0275), W64LIT(0x4a7484aa6ea6e483),
W64LIT(0x5cb0a9dcbd41fbd4), W64LIT(0x76f988da831153b5),
W64LIT(0x983e5152ee66dfab), W64LIT(0xa831c66d2db43210),
W64LIT(0xb00327c898fb213f), W64LIT(0xbf597fc7beef0ee4),
W64LIT(0xc6e00bf33da88fc2), W64LIT(0xd5a79147930aa725),
W64LIT(0x06ca6351e003826f), W64LIT(0x142929670a0e6e70),
W64LIT(0x27b70a8546d22ffc), W64LIT(0x2e1b21385c26c926),
W64LIT(0x4d2c6dfc5ac42aed), W64LIT(0x53380d139d95b3df),
W64LIT(0x650a73548baf63de), W64LIT(0x766a0abb3c77b2a8),
W64LIT(0x81c2c92e47edaee6), W64LIT(0x92722c851482353b),
W64LIT(0xa2bfe8a14cf10364), W64LIT(0xa81a664bbc423001),
W64LIT(0xc24b8b70d0f89791), W64LIT(0xc76c51a30654be30),
W64LIT(0xd192e819d6ef5218), W64LIT(0xd69906245565a910),
W64LIT(0xf40e35855771202a), W64LIT(0x106aa07032bbd1b8),
W64LIT(0x19a4c116b8d2d0c8), W64LIT(0x1e376c085141ab53),
W64LIT(0x2748774cdf8eeb99), W64LIT(0x34b0bcb5e19b48a8),
W64LIT(0x391c0cb3c5c95a63), W64LIT(0x4ed8aa4ae3418acb),
W64LIT(0x5b9cca4f7763e373), W64LIT(0x682e6ff3d6b2b8a3),
W64LIT(0x748f82ee5defb2fc), W64LIT(0x78a5636f43172f60),
W64LIT(0x84c87814a1f0ab72), W64LIT(0x8cc702081a6439ec),
W64LIT(0x90befffa23631e28), W64LIT(0xa4506cebde82bde9),
W64LIT(0xbef9a3f7b2c67915), W64LIT(0xc67178f2e372532b),
W64LIT(0xca273eceea26619c), W64LIT(0xd186b8c721c0c207),
W64LIT(0xeada7dd6cde0eb1e), W64LIT(0xf57d4f7fee6ed178),
W64LIT(0x06f067aa72176fba), W64LIT(0x0a637dc5a2c898a6),
W64LIT(0x113f9804bef90dae), W64LIT(0x1b710b35131c471b),
W64LIT(0x28db77f523047d84), W64LIT(0x32caab7b40c72493),
W64LIT(0x3c9ebe0a15c9bebc), W64LIT(0x431d67c49c100d4c),
W64LIT(0x4cc5d4becb3e42b6), W64LIT(0x597f299cfc657e2a),
W64LIT(0x5fcb6fab3ad6faec), W64LIT(0x6c44198c4a475817)
};
void SHA384::Init()
{
m_digest[0] = W64LIT(0xcbbb9d5dc1059ed8);
m_digest[1] = W64LIT(0x629a292a367cd507);
m_digest[2] = W64LIT(0x9159015a3070dd17);
m_digest[3] = W64LIT(0x152fecd8f70e5939);
m_digest[4] = W64LIT(0x67332667ffc00b31);
m_digest[5] = W64LIT(0x8eb44a8768581511);
m_digest[6] = W64LIT(0xdb0c2e0d64f98fa7);
m_digest[7] = W64LIT(0x47b5481dbefa4fa4);
}
#endif
NAMESPACE_END
-47
View File
@@ -20,53 +20,6 @@ protected:
typedef SHA SHA1;
//! implements the SHA-256 standard
class SHA256 : public IteratedHashWithStaticTransform<word32, BigEndian, 64, SHA256>
{
public:
enum {DIGESTSIZE = 32};
SHA256() : IteratedHashWithStaticTransform<word32, BigEndian, 64, SHA256>(DIGESTSIZE) {Init();}
static void Transform(word32 *digest, const word32 *data);
static const char *StaticAlgorithmName() {return "SHA-256";}
protected:
void Init();
static const word32 K[64];
};
#ifdef WORD64_AVAILABLE
//! implements the SHA-512 standard
class SHA512 : public IteratedHashWithStaticTransform<word64, BigEndian, 128, SHA512>
{
public:
enum {DIGESTSIZE = 64};
SHA512() : IteratedHashWithStaticTransform<word64, BigEndian, 128, SHA512>(DIGESTSIZE) {Init();}
static void Transform(word64 *digest, const word64 *data);
static const char *StaticAlgorithmName() {return "SHA-512";}
protected:
void Init();
static const word64 K[80];
};
//! implements the SHA-384 standard
class SHA384 : public IteratedHashWithStaticTransform<word64, BigEndian, 128, SHA512>
{
public:
enum {DIGESTSIZE = 48};
SHA384() : IteratedHashWithStaticTransform<word64, BigEndian, 128, SHA512>(64) {Init();}
unsigned int DigestSize() const {return DIGESTSIZE;};
static const char *StaticAlgorithmName() {return "SHA-384";}
protected:
void Init();
};
#endif
NAMESPACE_END
#endif