Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
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// modes.h - originally written and placed in the public domain by Wei Dai
/// \file modes.h
/// \brief Classes for block cipher modes of operation
#ifndef CRYPTOPP_MODES_H
#define CRYPTOPP_MODES_H
#include "cryptlib.h"
#include "secblock.h"
#include "misc.h"
#include "strciphr.h"
#include "argnames.h"
#include "algparam.h"
// Issue 340
#if CRYPTOPP_GCC_DIAGNOSTIC_AVAILABLE
# pragma GCC diagnostic push
# pragma GCC diagnostic ignored "-Wconversion"
# pragma GCC diagnostic ignored "-Wsign-conversion"
#endif
#if CRYPTOPP_MSC_VERSION
# pragma warning(push)
# pragma warning(disable: 4231 4275)
# if (CRYPTOPP_MSC_VERSION >= 1400)
# pragma warning(disable: 6011 6386 28193)
# endif
#endif
NAMESPACE_BEGIN(CryptoPP)
/// \brief Block cipher mode of operation information
/// \details Each class derived from this one defines two types, Encryption and Decryption,
/// both of which implement the SymmetricCipher interface.
/// For each mode there are two classes, one of which is a template class,
/// and the other one has a name that ends in "_ExternalCipher".
/// The "external cipher" mode objects hold a reference to the underlying block cipher,
/// instead of holding an instance of it. The reference must be passed in to the constructor.
/// For the "cipher holder" classes, the CIPHER template parameter should be a class
/// derived from BlockCipherDocumentation, for example DES or AES.
/// \details See NIST SP 800-38A for definitions of these modes. See
/// AuthenticatedSymmetricCipherDocumentation for authenticated encryption modes.
struct CipherModeDocumentation : public SymmetricCipherDocumentation
{
};
/// \brief Block cipher mode of operation information
class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE CipherModeBase : public SymmetricCipher
{
public:
virtual ~CipherModeBase() {}
// Algorithm class
std::string AlgorithmProvider() const {
return m_cipher != NULLPTR ? m_cipher->AlgorithmProvider() : "C++";
}
/// \brief Returns smallest valid key length
/// \returns the minimum key length, in bytes
size_t MinKeyLength() const {return m_cipher->MinKeyLength();}
/// \brief Returns largest valid key length
/// \returns the maximum key length, in bytes
size_t MaxKeyLength() const {return m_cipher->MaxKeyLength();}
/// \brief Returns default key length
/// \returns the default key length, in bytes
size_t DefaultKeyLength() const {return m_cipher->DefaultKeyLength();}
/// \brief Returns a valid key length for the algorithm
/// \param keylength the size of the key, in bytes
/// \returns the valid key length, in bytes
/// \details keylength is provided in bytes, not bits. If keylength is less than MIN_KEYLENGTH,
/// then the function returns MIN_KEYLENGTH. If keylength is greater than MAX_KEYLENGTH,
/// then the function returns MAX_KEYLENGTH. if If keylength is a multiple of KEYLENGTH_MULTIPLE,
/// then keylength is returned. Otherwise, the function returns a \a lower multiple of
/// KEYLENGTH_MULTIPLE.
size_t GetValidKeyLength(size_t keylength) const {return m_cipher->GetValidKeyLength(keylength);}
/// \brief Returns whether keylength is a valid key length
/// \param keylength the requested keylength
/// \return true if keylength is valid, false otherwise
/// \details Internally the function calls GetValidKeyLength()
bool IsValidKeyLength(size_t keylength) const {return m_cipher->IsValidKeyLength(keylength);}
/// \brief Provides input and output data alignment for optimal performance.
/// \return the input data alignment that provides optimal performance
/// \sa GetAlignment() and OptimalBlockSize()
unsigned int OptimalDataAlignment() const {return m_cipher->OptimalDataAlignment();}
/// \brief Returns length of the IV accepted by this object
/// \return the size of an IV, in bytes
/// \throws NotImplemented() if the object does not support resynchronization
/// \details The default implementation throws NotImplemented
unsigned int IVSize() const {return BlockSize();}
/// \brief Minimal requirement for secure IVs
/// \return the secure IV requirement of the algorithm
virtual IV_Requirement IVRequirement() const =0;
/// \brief Set external block cipher
/// \param cipher An external block cipher
/// \details The cipher should be keyed.
void SetCipher(BlockCipher &cipher)
{
this->ThrowIfResynchronizable();
this->m_cipher = &cipher;
this->ResizeBuffers();
}
/// \brief Set external block cipher and IV
/// \param cipher An external block cipher
/// \param iv a byte array used to resynchronize the cipher
/// \param feedbackSize the feedback size, in bytes
/// \details The cipher should be keyed.
void SetCipherWithIV(BlockCipher &cipher, const byte *iv, int feedbackSize = 0)
{
this->ThrowIfInvalidIV(iv);
this->m_cipher = &cipher;
this->ResizeBuffers();
this->SetFeedbackSize(feedbackSize);
if (this->IsResynchronizable())
this->Resynchronize(iv);
}
protected:
CipherModeBase() : m_cipher(NULLPTR) {}
inline unsigned int BlockSize() const
{
CRYPTOPP_ASSERT(m_register.size() > 0);
return static_cast<unsigned int>(m_register.size());
}
virtual void SetFeedbackSize(unsigned int feedbackSize)
{
if (!(feedbackSize == 0 || feedbackSize == BlockSize()))
throw InvalidArgument("CipherModeBase: feedback size cannot be specified for this cipher mode");
}
virtual void ResizeBuffers();
BlockCipher *m_cipher;
SecByteBlock m_register;
};
/// \brief Block cipher mode of operation common operations
/// \tparam POLICY_INTERFACE common operations
template <class POLICY_INTERFACE>
class CRYPTOPP_NO_VTABLE ModePolicyCommonTemplate : public CipherModeBase, public POLICY_INTERFACE
{
unsigned int GetAlignment() const {return m_cipher->OptimalDataAlignment();}
void CipherSetKey(const NameValuePairs &params, const byte *key, size_t length);
};
template <class POLICY_INTERFACE>
void ModePolicyCommonTemplate<POLICY_INTERFACE>::CipherSetKey(const NameValuePairs &params, const byte *key, size_t length)
{
m_cipher->SetKey(key, length, params);
ResizeBuffers();
int feedbackSize = params.GetIntValueWithDefault(Name::FeedbackSize(), 0);
SetFeedbackSize(feedbackSize);
}
/// \brief CFB block cipher mode of operation
class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE CFB_ModePolicy : public ModePolicyCommonTemplate<CFB_CipherAbstractPolicy>
{
public:
CRYPTOPP_STATIC_CONSTEXPR const char* CRYPTOPP_API StaticAlgorithmName() {return "CFB";}
virtual ~CFB_ModePolicy() {}
CFB_ModePolicy() : m_feedbackSize(0) {}
IV_Requirement IVRequirement() const {return RANDOM_IV;}
protected:
unsigned int GetBytesPerIteration() const {return m_feedbackSize;}
bool CanIterate() const {return m_feedbackSize == BlockSize();}
void Iterate(byte *output, const byte *input, CipherDir dir, size_t iterationCount);
void TransformRegister();
void CipherResynchronize(const byte *iv, size_t length);
void SetFeedbackSize(unsigned int feedbackSize);
void ResizeBuffers();
byte * GetRegisterBegin();
SecByteBlock m_temp;
unsigned int m_feedbackSize;
};
/// \brief Initialize a block of memory
/// \param dest the destination block of memory
/// \param dsize the size of the destination block, in bytes
/// \param src the source block of memory
/// \param ssize the size of the source block, in bytes
/// \details CopyOrZero copies ssize bytes from source to destination if
/// src is not NULL. If src is NULL then dest is zero'd. Bounds are not
/// checked at runtime. Debug builds assert if ssize exceeds dsize.
inline void CopyOrZero(void *dest, size_t dsize, const void *src, size_t ssize)
{
CRYPTOPP_ASSERT(dest);
CRYPTOPP_ASSERT(dsize >= ssize);
if (src != NULLPTR)
memcpy_s(dest, dsize, src, ssize);
else
memset(dest, 0, dsize);
}
/// \brief OFB block cipher mode of operation
class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE OFB_ModePolicy : public ModePolicyCommonTemplate<AdditiveCipherAbstractPolicy>
{
public:
CRYPTOPP_STATIC_CONSTEXPR const char* CRYPTOPP_API StaticAlgorithmName() {return "OFB";}
bool CipherIsRandomAccess() const {return false;}
IV_Requirement IVRequirement() const {return UNIQUE_IV;}
protected:
unsigned int GetBytesPerIteration() const {return BlockSize();}
unsigned int GetIterationsToBuffer() const {return m_cipher->OptimalNumberOfParallelBlocks();}
void WriteKeystream(byte *keystreamBuffer, size_t iterationCount);
void CipherResynchronize(byte *keystreamBuffer, const byte *iv, size_t length);
};
/// \brief CTR block cipher mode of operation
class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE CTR_ModePolicy : public ModePolicyCommonTemplate<AdditiveCipherAbstractPolicy>
{
public:
CRYPTOPP_STATIC_CONSTEXPR const char* CRYPTOPP_API StaticAlgorithmName() {return "CTR";}
virtual ~CTR_ModePolicy() {}
bool CipherIsRandomAccess() const {return true;}
IV_Requirement IVRequirement() const {return RANDOM_IV;}
protected:
virtual void IncrementCounterBy256();
unsigned int GetAlignment() const {return m_cipher->OptimalDataAlignment();}
unsigned int GetBytesPerIteration() const {return BlockSize();}
unsigned int GetIterationsToBuffer() const {return m_cipher->OptimalNumberOfParallelBlocks();}
void WriteKeystream(byte *buffer, size_t iterationCount)
{OperateKeystream(WRITE_KEYSTREAM, buffer, NULLPTR, iterationCount);}
bool CanOperateKeystream() const {return true;}
void OperateKeystream(KeystreamOperation operation, byte *output, const byte *input, size_t iterationCount);
void CipherResynchronize(byte *keystreamBuffer, const byte *iv, size_t length);
void SeekToIteration(lword iterationCount);
// adv_simd.h increments the counter
mutable SecByteBlock m_counterArray;
};
/// \brief Block cipher mode of operation default implementation
class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE BlockOrientedCipherModeBase : public CipherModeBase
{
public:
virtual ~BlockOrientedCipherModeBase() {}
void UncheckedSetKey(const byte *key, unsigned int length, const NameValuePairs &params);
unsigned int MandatoryBlockSize() const {return BlockSize();}
bool IsRandomAccess() const {return false;}
bool IsSelfInverting() const {return false;}
bool IsForwardTransformation() const
{return m_cipher->IsForwardTransformation();}
void Resynchronize(const byte *iv, int length=-1)
{memcpy_s(m_register, m_register.size(), iv, ThrowIfInvalidIVLength(length));}
protected:
bool RequireAlignedInput() const {return true;}
virtual void ResizeBuffers();
SecByteBlock m_buffer;
};
/// \brief ECB block cipher mode of operation default implementation
class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE ECB_OneWay : public BlockOrientedCipherModeBase
{
public:
CRYPTOPP_STATIC_CONSTEXPR const char* CRYPTOPP_API StaticAlgorithmName() {return "ECB";}
void SetKey(const byte *key, size_t length, const NameValuePairs &params = g_nullNameValuePairs)
{m_cipher->SetKey(key, length, params); BlockOrientedCipherModeBase::ResizeBuffers();}
IV_Requirement IVRequirement() const {return NOT_RESYNCHRONIZABLE;}
unsigned int OptimalBlockSize() const {return static_cast<unsigned int>(BlockSize() * m_cipher->OptimalNumberOfParallelBlocks());}
void ProcessData(byte *outString, const byte *inString, size_t length);
};
/// \brief CBC block cipher mode of operation default implementation
class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE CBC_ModeBase : public BlockOrientedCipherModeBase
{
public:
CRYPTOPP_STATIC_CONSTEXPR const char* CRYPTOPP_API StaticAlgorithmName() {return "CBC";}
IV_Requirement IVRequirement() const {return UNPREDICTABLE_RANDOM_IV;}
bool RequireAlignedInput() const {return false;}
unsigned int MinLastBlockSize() const {return 0;}
};
/// \brief CBC block cipher mode of operation encryption operation
class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE CBC_Encryption : public CBC_ModeBase
{
public:
void ProcessData(byte *outString, const byte *inString, size_t length);
};
/// \brief CBC-CTS block cipher mode of operation encryption operation
/// \since Crypto++ 3.0
class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE CBC_CTS_Encryption : public CBC_Encryption
{
public:
CRYPTOPP_STATIC_CONSTEXPR const char* CRYPTOPP_API StaticAlgorithmName() {return "CBC/CTS";}
void SetStolenIV(byte *iv) {m_stolenIV = iv;}
unsigned int MinLastBlockSize() const {return BlockSize()+1;}
size_t ProcessLastBlock(byte *outString, size_t outLength, const byte *inString, size_t inLength);
protected:
void UncheckedSetKey(const byte *key, unsigned int length, const NameValuePairs &params)
{
CBC_Encryption::UncheckedSetKey(key, length, params);
m_stolenIV = params.GetValueWithDefault(Name::StolenIV(), static_cast<byte *>(NULLPTR));
}
byte *m_stolenIV;
};
/// \brief CBC block cipher mode of operation decryption operation
class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE CBC_Decryption : public CBC_ModeBase
{
public:
virtual ~CBC_Decryption() {}
void ProcessData(byte *outString, const byte *inString, size_t length);
protected:
virtual void ResizeBuffers();
SecByteBlock m_temp;
};
/// \brief CBC-CTS block cipher mode of operation decryption operation
/// \since Crypto++ 3.0
class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE CBC_CTS_Decryption : public CBC_Decryption
{
public:
unsigned int MinLastBlockSize() const {return BlockSize()+1;}
size_t ProcessLastBlock(byte *outString, size_t outLength, const byte *inString, size_t inLength);
};
/// \brief Block cipher mode of operation aggregate
template <class CIPHER, class BASE>
class CipherModeFinalTemplate_CipherHolder : protected ObjectHolder<CIPHER>, public AlgorithmImpl<BASE, CipherModeFinalTemplate_CipherHolder<CIPHER, BASE> >
{
public:
/// \brief Provides the name of this algorithm
/// \return the standard algorithm name
/// \details The standard algorithm name can be a name like \a AES or \a AES/GCM. Some algorithms
/// do not have standard names yet. For example, there is no standard algorithm name for
/// Shoup's ECIES.
static std::string CRYPTOPP_API StaticAlgorithmName()
{return CIPHER::StaticAlgorithmName() + "/" + BASE::StaticAlgorithmName();}
/// \brief Construct a CipherModeFinalTemplate
CipherModeFinalTemplate_CipherHolder()
{
this->m_cipher = &this->m_object;
this->ResizeBuffers();
}
/// \brief Construct a CipherModeFinalTemplate
/// \param key a byte array used to key the cipher
/// \param length size of the key in bytes
/// \details key must be at least DEFAULT_KEYLENGTH in length. Internally, the function calls
/// SimpleKeyingInterface::SetKey.
CipherModeFinalTemplate_CipherHolder(const byte *key, size_t length)
{
this->m_cipher = &this->m_object;
this->SetKey(key, length);
}
/// \brief Construct a CipherModeFinalTemplate
/// \param key a byte array used to key the cipher
/// \param length size of the key in bytes
/// \param iv a byte array used to resynchronize the cipher
/// \details key must be at least DEFAULT_KEYLENGTH in length. iv must be IVSize() or
/// BLOCKSIZE in length. Internally, the function calls SimpleKeyingInterface::SetKey.
CipherModeFinalTemplate_CipherHolder(const byte *key, size_t length, const byte *iv)
{
this->m_cipher = &this->m_object;
this->SetKey(key, length, MakeParameters(Name::IV(), ConstByteArrayParameter(iv, this->m_cipher->BlockSize())));
}
/// \brief Construct a CipherModeFinalTemplate
/// \param key a byte array used to key the cipher
/// \param length size of the key in bytes
/// \param iv a byte array used to resynchronize the cipher
/// \param feedbackSize the feedback size, in bytes
/// \details key must be at least DEFAULT_KEYLENGTH in length. iv must be IVSize() or
/// BLOCKSIZE in length. Internally, the function calls SimpleKeyingInterface::SetKey.
CipherModeFinalTemplate_CipherHolder(const byte *key, size_t length, const byte *iv, int feedbackSize)
{
this->m_cipher = &this->m_object;
this->SetKey(key, length, MakeParameters(Name::IV(), ConstByteArrayParameter(iv, this->m_cipher->BlockSize()))(Name::FeedbackSize(), feedbackSize));
}
// Algorithm class
std::string AlgorithmProvider() const {
return this->m_cipher->AlgorithmProvider();
}
};
/// \tparam BASE CipherModeFinalTemplate_CipherHolder base class
/// \details Base class for external mode cipher combinations
template <class BASE>
class CipherModeFinalTemplate_ExternalCipher : public BASE
{
public:
/// \brief Construct a default CipherModeFinalTemplate
/// \details The cipher is not keyed.
CipherModeFinalTemplate_ExternalCipher() {}
/// \brief Construct a CipherModeFinalTemplate
/// \param cipher An external block cipher
/// \details The cipher should be keyed.
CipherModeFinalTemplate_ExternalCipher(BlockCipher &cipher)
{this->SetCipher(cipher);}
/// \brief Construct a CipherModeFinalTemplate
/// \param cipher An external block cipher
/// \param iv a byte array used to resynchronize the cipher
/// \param feedbackSize the feedback size, in bytes
/// \details The cipher should be keyed.
CipherModeFinalTemplate_ExternalCipher(BlockCipher &cipher, const byte *iv, int feedbackSize = 0)
{this->SetCipherWithIV(cipher, iv, feedbackSize);}
/// \brief Provides the name of this algorithm
/// \return the standard algorithm name
/// \details The standard algorithm name can be a name like \a AES or \a AES/GCM. Some algorithms
/// do not have standard names yet. For example, there is no standard algorithm name for
/// Shoup's ECIES.
/// \note AlgorithmName is not universally implemented yet
std::string AlgorithmName() const
{return (this->m_cipher ? this->m_cipher->AlgorithmName() + "/" : std::string("")) + BASE::StaticAlgorithmName();}
// Algorithm class
std::string AlgorithmProvider() const
{return this->m_cipher->AlgorithmProvider();}
};
CRYPTOPP_DLL_TEMPLATE_CLASS CFB_CipherTemplate<AbstractPolicyHolder<CFB_CipherAbstractPolicy, CFB_ModePolicy> >;
CRYPTOPP_DLL_TEMPLATE_CLASS CFB_EncryptionTemplate<AbstractPolicyHolder<CFB_CipherAbstractPolicy, CFB_ModePolicy> >;
CRYPTOPP_DLL_TEMPLATE_CLASS CFB_DecryptionTemplate<AbstractPolicyHolder<CFB_CipherAbstractPolicy, CFB_ModePolicy> >;
/// \brief CFB block cipher mode of operation
/// \sa <A HREF="http://www.cryptopp.com/wiki/Modes_of_Operation">Modes of Operation</A>
/// on the Crypto++ wiki.
template <class CIPHER>
struct CFB_Mode : public CipherModeDocumentation
{
typedef CipherModeFinalTemplate_CipherHolder<typename CIPHER::Encryption, ConcretePolicyHolder<Empty, CFB_EncryptionTemplate<AbstractPolicyHolder<CFB_CipherAbstractPolicy, CFB_ModePolicy> > > > Encryption;
typedef CipherModeFinalTemplate_CipherHolder<typename CIPHER::Encryption, ConcretePolicyHolder<Empty, CFB_DecryptionTemplate<AbstractPolicyHolder<CFB_CipherAbstractPolicy, CFB_ModePolicy> > > > Decryption;
};
/// \brief CFB mode, external cipher.
/// \sa <A HREF="http://www.cryptopp.com/wiki/Modes_of_Operation">Modes of Operation</A>
/// on the Crypto++ wiki.
struct CFB_Mode_ExternalCipher : public CipherModeDocumentation
{
typedef CipherModeFinalTemplate_ExternalCipher<ConcretePolicyHolder<Empty, CFB_EncryptionTemplate<AbstractPolicyHolder<CFB_CipherAbstractPolicy, CFB_ModePolicy> > > > Encryption;
typedef CipherModeFinalTemplate_ExternalCipher<ConcretePolicyHolder<Empty, CFB_DecryptionTemplate<AbstractPolicyHolder<CFB_CipherAbstractPolicy, CFB_ModePolicy> > > > Decryption;
};
/// \brief CFB block cipher mode of operation providing FIPS validated cryptography.
/// \details Requires full block plaintext according to FIPS 800-38A
/// \sa <A HREF="http://www.cryptopp.com/wiki/Modes_of_Operation">Modes of Operation</A>
/// on the Crypto++ wiki.
template <class CIPHER>
struct CFB_FIPS_Mode : public CipherModeDocumentation
{
typedef CipherModeFinalTemplate_CipherHolder<typename CIPHER::Encryption, ConcretePolicyHolder<Empty, CFB_RequireFullDataBlocks<CFB_EncryptionTemplate<AbstractPolicyHolder<CFB_CipherAbstractPolicy, CFB_ModePolicy> > > > > Encryption;
typedef CipherModeFinalTemplate_CipherHolder<typename CIPHER::Encryption, ConcretePolicyHolder<Empty, CFB_RequireFullDataBlocks<CFB_DecryptionTemplate<AbstractPolicyHolder<CFB_CipherAbstractPolicy, CFB_ModePolicy> > > > > Decryption;
};
/// \brief CFB mode, external cipher, providing FIPS validated cryptography.
/// \details Requires full block plaintext according to FIPS 800-38A
/// \sa <A HREF="http://www.cryptopp.com/wiki/Modes_of_Operation">Modes of Operation</A>
/// on the Crypto++ wiki.
struct CFB_FIPS_Mode_ExternalCipher : public CipherModeDocumentation
{
typedef CipherModeFinalTemplate_ExternalCipher<ConcretePolicyHolder<Empty, CFB_RequireFullDataBlocks<CFB_EncryptionTemplate<AbstractPolicyHolder<CFB_CipherAbstractPolicy, CFB_ModePolicy> > > > > Encryption;
typedef CipherModeFinalTemplate_ExternalCipher<ConcretePolicyHolder<Empty, CFB_RequireFullDataBlocks<CFB_DecryptionTemplate<AbstractPolicyHolder<CFB_CipherAbstractPolicy, CFB_ModePolicy> > > > > Decryption;
};
CRYPTOPP_DLL_TEMPLATE_CLASS AdditiveCipherTemplate<AbstractPolicyHolder<AdditiveCipherAbstractPolicy, OFB_ModePolicy> >;
/// \brief OFB block cipher mode of operation
/// \sa <A HREF="http://www.cryptopp.com/wiki/Modes_of_Operation">Modes of Operation</A>
/// on the Crypto++ wiki.
template <class CIPHER>
struct OFB_Mode : public CipherModeDocumentation
{
typedef CipherModeFinalTemplate_CipherHolder<typename CIPHER::Encryption, ConcretePolicyHolder<Empty, AdditiveCipherTemplate<AbstractPolicyHolder<AdditiveCipherAbstractPolicy, OFB_ModePolicy> > > > Encryption;
typedef Encryption Decryption;
};
/// \brief OFB mode, external cipher.
/// \sa <A HREF="http://www.cryptopp.com/wiki/Modes_of_Operation">Modes of Operation</A>
/// on the Crypto++ wiki.
struct OFB_Mode_ExternalCipher : public CipherModeDocumentation
{
typedef CipherModeFinalTemplate_ExternalCipher<ConcretePolicyHolder<Empty, AdditiveCipherTemplate<AbstractPolicyHolder<AdditiveCipherAbstractPolicy, OFB_ModePolicy> > > > Encryption;
typedef Encryption Decryption;
};
CRYPTOPP_DLL_TEMPLATE_CLASS AdditiveCipherTemplate<AbstractPolicyHolder<AdditiveCipherAbstractPolicy, CTR_ModePolicy> >;
CRYPTOPP_DLL_TEMPLATE_CLASS CipherModeFinalTemplate_ExternalCipher<ConcretePolicyHolder<Empty, AdditiveCipherTemplate<AbstractPolicyHolder<AdditiveCipherAbstractPolicy, CTR_ModePolicy> > > >;
/// \brief CTR block cipher mode of operation
/// \sa <A HREF="http://www.cryptopp.com/wiki/Modes_of_Operation">Modes of Operation</A>
/// on the Crypto++ wiki.
template <class CIPHER>
struct CTR_Mode : public CipherModeDocumentation
{
typedef CipherModeFinalTemplate_CipherHolder<typename CIPHER::Encryption, ConcretePolicyHolder<Empty, AdditiveCipherTemplate<AbstractPolicyHolder<AdditiveCipherAbstractPolicy, CTR_ModePolicy> > > > Encryption;
typedef Encryption Decryption;
};
/// \brief CTR mode, external cipher.
/// \sa <A HREF="http://www.cryptopp.com/wiki/Modes_of_Operation">Modes of Operation</A>
/// on the Crypto++ wiki.
struct CTR_Mode_ExternalCipher : public CipherModeDocumentation
{
typedef CipherModeFinalTemplate_ExternalCipher<ConcretePolicyHolder<Empty, AdditiveCipherTemplate<AbstractPolicyHolder<AdditiveCipherAbstractPolicy, CTR_ModePolicy> > > > Encryption;
typedef Encryption Decryption;
};
/// \brief ECB block cipher mode of operation
/// \sa <A HREF="http://www.cryptopp.com/wiki/Modes_of_Operation">Modes of Operation</A>
/// on the Crypto++ wiki.
template <class CIPHER>
struct ECB_Mode : public CipherModeDocumentation
{
typedef CipherModeFinalTemplate_CipherHolder<typename CIPHER::Encryption, ECB_OneWay> Encryption;
typedef CipherModeFinalTemplate_CipherHolder<typename CIPHER::Decryption, ECB_OneWay> Decryption;
};
CRYPTOPP_DLL_TEMPLATE_CLASS CipherModeFinalTemplate_ExternalCipher<ECB_OneWay>;
/// \brief ECB mode, external cipher.
/// \sa <A HREF="http://www.cryptopp.com/wiki/Modes_of_Operation">Modes of Operation</A>
/// on the Crypto++ wiki.
struct ECB_Mode_ExternalCipher : public CipherModeDocumentation
{
typedef CipherModeFinalTemplate_ExternalCipher<ECB_OneWay> Encryption;
typedef Encryption Decryption;
};
/// \brief CBC block cipher mode of operation
/// \sa <A HREF="http://www.cryptopp.com/wiki/Modes_of_Operation">Modes of Operation</A>
/// on the Crypto++ wiki.
template <class CIPHER>
struct CBC_Mode : public CipherModeDocumentation
{
typedef CipherModeFinalTemplate_CipherHolder<typename CIPHER::Encryption, CBC_Encryption> Encryption;
typedef CipherModeFinalTemplate_CipherHolder<typename CIPHER::Decryption, CBC_Decryption> Decryption;
};
CRYPTOPP_DLL_TEMPLATE_CLASS CipherModeFinalTemplate_ExternalCipher<CBC_Encryption>;
CRYPTOPP_DLL_TEMPLATE_CLASS CipherModeFinalTemplate_ExternalCipher<CBC_Decryption>;
/// \brief CBC mode, external cipher
/// \sa <A HREF="http://www.cryptopp.com/wiki/Modes_of_Operation">Modes of Operation</A>
/// on the Crypto++ wiki.
struct CBC_Mode_ExternalCipher : public CipherModeDocumentation
{
typedef CipherModeFinalTemplate_ExternalCipher<CBC_Encryption> Encryption;
typedef CipherModeFinalTemplate_ExternalCipher<CBC_Decryption> Decryption;
};
/// \brief CBC-CTS block cipher mode of operation
/// \sa <A HREF="http://www.cryptopp.com/wiki/Modes_of_Operation">Modes of Operation</A>
/// on the Crypto++ wiki.
/// \since Crypto++ 3.0
template <class CIPHER>
struct CBC_CTS_Mode : public CipherModeDocumentation
{
typedef CipherModeFinalTemplate_CipherHolder<typename CIPHER::Encryption, CBC_CTS_Encryption> Encryption;
typedef CipherModeFinalTemplate_CipherHolder<typename CIPHER::Decryption, CBC_CTS_Decryption> Decryption;
};
CRYPTOPP_DLL_TEMPLATE_CLASS CipherModeFinalTemplate_ExternalCipher<CBC_CTS_Encryption>;
CRYPTOPP_DLL_TEMPLATE_CLASS CipherModeFinalTemplate_ExternalCipher<CBC_CTS_Decryption>;
/// \brief CBC mode with ciphertext stealing, external cipher
/// \sa <A HREF="http://www.cryptopp.com/wiki/Modes_of_Operation">Modes of Operation</A>
/// on the Crypto++ wiki.
/// \since Crypto++ 3.0
struct CBC_CTS_Mode_ExternalCipher : public CipherModeDocumentation
{
typedef CipherModeFinalTemplate_ExternalCipher<CBC_CTS_Encryption> Encryption;
typedef CipherModeFinalTemplate_ExternalCipher<CBC_CTS_Decryption> Decryption;
};
NAMESPACE_END
// Issue 340
#if CRYPTOPP_MSC_VERSION
# pragma warning(pop)
#endif
#if CRYPTOPP_GCC_DIAGNOSTIC_AVAILABLE
# pragma GCC diagnostic pop
#endif
#endif