Fabcoin Core  0.16.2
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DMAC< T > Class Template Reference

DMAC message authentication code. More...

#include <dmac.h>

Inheritance diagram for DMAC< T >:
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Collaboration diagram for DMAC< T >:
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Public Member Functions

 DMAC ()
 Construct a DMAC. More...
 
 DMAC (const byte *key, size_t length=DMAC_Base< T >::DEFAULT_KEYLENGTH)
 Construct a DMAC. More...
 
- Public Member Functions inherited from MessageAuthenticationCodeFinal< DMAC_Base< T > >
 MessageAuthenticationCodeFinal ()
 Construct a default MessageAuthenticationCodeFinal. More...
 
 MessageAuthenticationCodeFinal (const byte *key)
 Construct a BlockCipherFinal. More...
 
 MessageAuthenticationCodeFinal (const byte *key, size_t length)
 Construct a BlockCipherFinal. More...
 
- Public Member Functions inherited from ClonableImpl< MessageAuthenticationCodeFinal< DMAC_Base< T > >, MessageAuthenticationCodeImpl< DMAC_Base< T > > >
ClonableClone () const
 
- Public Member Functions inherited from AlgorithmImpl< SimpleKeyingInterfaceImpl< DMAC_Base< T >, DMAC_Base< T > >, DMAC_Base< T > >
std::string AlgorithmName () const
 
- Public Member Functions inherited from SimpleKeyingInterfaceImpl< DMAC_Base< T >, DMAC_Base< T > >
size_t MinKeyLength () const
 The minimum key length used by the algorithm. More...
 
size_t MaxKeyLength () const
 The maximum key length used by the algorithm. More...
 
size_t DefaultKeyLength () const
 The default key length used by the algorithm. More...
 
size_t GetValidKeyLength (size_t keylength) const
 Provides a valid key length for the algorithm. More...
 
SimpleKeyingInterface::IV_Requirement IVRequirement () const
 The default IV requirements for the algorithm. More...
 
unsigned int IVSize () const
 The default initialization vector length for the algorithm. More...
 
- Public Member Functions inherited from DMAC_Base< T >
 DMAC_Base ()
 
void UncheckedSetKey (const byte *key, unsigned int length, const NameValuePairs &params)
 Sets the key for this object without performing parameter validation. More...
 
void Update (const byte *input, size_t length)
 Updates a hash with additional input. More...
 
void TruncatedFinal (byte *mac, size_t size)
 Computes the hash of the current message. More...
 
unsigned int DigestSize () const
 Provides the digest size of the hash. More...
 
- Public Member Functions inherited from SameKeyLengthAs< T >
CRYPTOPP_STATIC_CONSTEXPR size_t CRYPTOPP_API StaticGetValidKeyLength (size_t keylength)
 The minimum key length used by the algorithm provided as a constant. More...
 
- Public Member Functions inherited from SimpleKeyingInterface
virtual ~SimpleKeyingInterface ()
 
virtual bool IsValidKeyLength (size_t keylength) const
 Returns whether keylength is a valid key length. More...
 
virtual void SetKey (const byte *key, size_t length, const NameValuePairs &params=g_nullNameValuePairs)
 Sets or reset the key of this object. More...
 
void SetKeyWithRounds (const byte *key, size_t length, int rounds)
 Sets or reset the key of this object. More...
 
void SetKeyWithIV (const byte *key, size_t length, const byte *iv, size_t ivLength)
 Sets or reset the key of this object. More...
 
void SetKeyWithIV (const byte *key, size_t length, const byte *iv)
 Sets or reset the key of this object. More...
 
bool IsResynchronizable () const
 Determines if the object can be resynchronized. More...
 
bool CanUseRandomIVs () const
 Determines if the object can use random IVs. More...
 
bool CanUsePredictableIVs () const
 Determines if the object can use random but possibly predictable IVs. More...
 
bool CanUseStructuredIVs () const
 Determines if the object can use structured IVs. More...
 
unsigned int DefaultIVLength () const
 Provides the default size of an IV. More...
 
virtual unsigned int MinIVLength () const
 Provides the minimum size of an IV. More...
 
virtual unsigned int MaxIVLength () const
 Provides the maximum size of an IV. More...
 
virtual void Resynchronize (const byte *iv, int ivLength=-1)
 Resynchronize with an IV. More...
 
virtual void GetNextIV (RandomNumberGenerator &rng, byte *iv)
 Retrieves a secure IV for the next message. More...
 
- Public Member Functions inherited from HashTransformation
virtual ~HashTransformation ()
 
HashTransformationRef ()
 Provides a reference to this object. More...
 
virtual byteCreateUpdateSpace (size_t &size)
 Request space which can be written into by the caller. More...
 
virtual void Final (byte *digest)
 Computes the hash of the current message. More...
 
virtual void Restart ()
 Restart the hash. More...
 
unsigned int TagSize () const
 Provides the tag size of the hash. More...
 
virtual unsigned int BlockSize () const
 Provides the block size of the compression function. More...
 
virtual unsigned int OptimalBlockSize () const
 Provides the input block size most efficient for this hash. More...
 
virtual unsigned int OptimalDataAlignment () const
 Provides input and output data alignment for optimal performance. More...
 
virtual void CalculateDigest (byte *digest, const byte *input, size_t length)
 Updates the hash with additional input and computes the hash of the current message. More...
 
virtual bool Verify (const byte *digest)
 Verifies the hash of the current message. More...
 
virtual bool VerifyDigest (const byte *digest, const byte *input, size_t length)
 Updates the hash with additional input and verifies the hash of the current message. More...
 
virtual void CalculateTruncatedDigest (byte *digest, size_t digestSize, const byte *input, size_t length)
 Updates the hash with additional input and computes the hash of the current message. More...
 
virtual bool TruncatedVerify (const byte *digest, size_t digestLength)
 Verifies the hash of the current message. More...
 
virtual bool VerifyTruncatedDigest (const byte *digest, size_t digestLength, const byte *input, size_t length)
 Updates the hash with additional input and verifies the hash of the current message. More...
 
- Public Member Functions inherited from Algorithm
virtual ~Algorithm ()
 
 Algorithm (bool checkSelfTestStatus=true)
 Interface for all crypto algorithms. More...
 
- Public Member Functions inherited from Clonable
virtual ~Clonable ()
 

Additional Inherited Members

- Public Types inherited from SimpleKeyingInterface
enum  IV_Requirement {
  UNIQUE_IV = 0, RANDOM_IV, UNPREDICTABLE_RANDOM_IV, INTERNALLY_GENERATED_IV,
  NOT_RESYNCHRONIZABLE
}
 Secure IVs requirements as enumerated values. More...
 
- Static Public Member Functions inherited from AlgorithmImpl< SimpleKeyingInterfaceImpl< DMAC_Base< T >, DMAC_Base< T > >, DMAC_Base< T > >
static std::string CRYPTOPP_API StaticAlgorithmName ()
 
- Static Public Member Functions inherited from DMAC_Base< T >
static std::string StaticAlgorithmName ()
 
- Protected Member Functions inherited from MessageAuthenticationCode
const AlgorithmGetAlgorithm () const
 Returns the base class Algorithm. More...
 
- Protected Member Functions inherited from SimpleKeyingInterface
void ThrowIfInvalidKeyLength (size_t length)
 Validates the key length. More...
 
void ThrowIfResynchronizable ()
 Validates the object. More...
 
void ThrowIfInvalidIV (const byte *iv)
 Validates the IV. More...
 
size_t ThrowIfInvalidIVLength (int length)
 Validates the IV length. More...
 
const byteGetIVAndThrowIfInvalid (const NameValuePairs &params, size_t &size)
 Retrieves and validates the IV. More...
 
void AssertValidKeyLength (size_t length) const
 Validates the key length. More...
 
- Protected Member Functions inherited from HashTransformation
void ThrowIfInvalidTruncatedSize (size_t size) const
 Validates a truncated digest size. More...
 

Detailed Description

template<class T>
class DMAC< T >

DMAC message authentication code.

Template Parameters
Tclass derived from BlockCipherDocumentation
See also
CBC MAC for Real-Time Data Sources (08.15.1997) by Erez Petrank and Charles Rackoff

Definition at line 48 of file dmac.h.

Constructor & Destructor Documentation

template<class T >
DMAC< T >::DMAC ( )
inline

Construct a DMAC.

Definition at line 52 of file dmac.h.

template<class T >
DMAC< T >::DMAC ( const byte key,
size_t  length = DMAC_Base<T>::DEFAULT_KEYLENGTH 
)
inline

Construct a DMAC.

Parameters
keya byte array used to key the cipher
lengththe size of the byte array, in bytes

Definition at line 57 of file dmac.h.

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The documentation for this class was generated from the following file: