EMSA2Pad Class Reference

EMSA2 padding method. More...

#include <emsa2.h>

Inheritance diagram for EMSA2Pad:

Public Member Functions
size_t	MinRepresentativeBitLength (size_t hashIdentifierLength, size_t digestLength) const
void	ComputeMessageRepresentative (RandomNumberGenerator &rng, const byte *recoverableMessage, size_t recoverableMessageLength, HashTransformation &hash, HashIdentifier hashIdentifier, bool messageEmpty, byte *representative, size_t representativeBitLength) const
Public Member Functions inherited from PK_DeterministicSignatureMessageEncodingMethod
bool	VerifyMessageRepresentative (HashTransformation &hash, HashIdentifier hashIdentifier, bool messageEmpty, byte *representative, size_t representativeBitLength) const
Public Member Functions inherited from PK_SignatureMessageEncodingMethod
virtual size_t	MinRepresentativeBitLength (size_t hashIdentifierLength, size_t digestLength) const
virtual size_t	MaxRecoverableLength (size_t representativeBitLength, size_t hashIdentifierLength, size_t digestLength) const
bool	IsProbabilistic () const
	Determines whether an encoding method requires a random number generator. More...
bool	AllowNonrecoverablePart () const
virtual bool	RecoverablePartFirst () const
virtual void	ProcessSemisignature (HashTransformation &hash, const byte *semisignature, size_t semisignatureLength) const
virtual void	ProcessRecoverableMessage (HashTransformation &hash, const byte *recoverableMessage, size_t recoverableMessageLength, const byte *presignature, size_t presignatureLength, SecByteBlock &semisignature) const
virtual void	ComputeMessageRepresentative (RandomNumberGenerator &rng, const byte *recoverableMessage, size_t recoverableMessageLength, HashTransformation &hash, HashIdentifier hashIdentifier, bool messageEmpty, byte *representative, size_t representativeBitLength) const =0
virtual bool	VerifyMessageRepresentative (HashTransformation &hash, HashIdentifier hashIdentifier, bool messageEmpty, byte *representative, size_t representativeBitLength) const =0
virtual DecodingResult	RecoverMessageFromRepresentative (HashTransformation &hash, HashIdentifier hashIdentifier, bool messageEmpty, byte *representative, size_t representativeBitLength, byte *recoveredMessage) const
virtual DecodingResult	RecoverMessageFromSemisignature (HashTransformation &hash, HashIdentifier hashIdentifier, const byte *presignature, size_t presignatureLength, const byte *semisignature, size_t semisignatureLength, byte *recoveredMessage) const

Static Public Member Functions
static const char *	StaticAlgorithmName ()

Detailed Description

EMSA2 padding method.

Since

Crypto++ 5.0

Definition at line 71 of file emsa2.h.

Member Function Documentation

StaticAlgorithmName()

static const char * EMSA2Pad::StaticAlgorithmName ( )

inlinestatic

Definition at line 74 of file emsa2.h.

MinRepresentativeBitLength()

size_t EMSA2Pad::MinRepresentativeBitLength ( size_t  hashIdentifierLength, size_t  digestLength  ) const

inlinevirtual

Reimplemented from PK_SignatureMessageEncodingMethod.

Definition at line 76 of file emsa2.h.

ComputeMessageRepresentative()

void EMSA2Pad::ComputeMessageRepresentative ( RandomNumberGenerator &  rng, const byte *  recoverableMessage, size_t  recoverableMessageLength, HashTransformation &  hash, HashIdentifier  hashIdentifier, bool  messageEmpty, byte *  representative, size_t  representativeBitLength  ) const

virtual

Implements PK_SignatureMessageEncodingMethod.

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

• emsa2.h