#include <pubkey.h>

Inheritance diagram for TF_SignerBase:

Public Member Functions
void	InputRecoverableMessage (PK_MessageAccumulator &messageAccumulator, const byte *recoverableMessage, size_t recoverableMessageLength) const

size_t	SignAndRestart (RandomNumberGenerator &rng, PK_MessageAccumulator &messageAccumulator, byte *signature, bool restart=true) const
	sign and restart messageAccumulator More...

size_t	SignatureLength () const

size_t	MaxRecoverableLength () const

size_t	MaxRecoverableLengthFromSignatureLength (size_t signatureLength) const

bool	IsProbabilistic () const

bool	AllowNonrecoverablePart () const

bool	RecoverablePartFirst () const

virtual PK_MessageAccumulator *	NewSignatureAccumulator (RandomNumberGenerator &rng) const =0
	create a new HashTransformation to accumulate the message to be signed

virtual size_t	Sign (RandomNumberGenerator &rng, PK_MessageAccumulator messageAccumulator, byte signature) const
	sign and delete messageAccumulator (even in case of exception thrown) More...

virtual size_t	SignMessage (RandomNumberGenerator &rng, const byte message, size_t messageLen, byte signature) const
	sign a message More...

virtual size_t	SignMessageWithRecovery (RandomNumberGenerator &rng, const byte recoverableMessage, size_t recoverableMessageLength, const byte nonrecoverableMessage, size_t nonrecoverableMessageLength, byte *signature) const
	sign a recoverable message More...

virtual size_t	MaxSignatureLength (size_t recoverablePartLength=0) const
	maximum signature length produced for a given length of recoverable message part

virtual bool	SignatureUpfront () const
	if this function returns true, during verification you must input the signature before the message, otherwise you can input it at anytime */

CryptoMaterial &	AccessMaterial ()
	returns a reference to the crypto material used by this object

const CryptoMaterial &	GetMaterial () const
	returns a const reference to the crypto material used by this object

virtual PrivateKey &	AccessPrivateKey ()=0

virtual const PrivateKey &	GetPrivateKey () const

void	BERDecode (BufferedTransformation &bt)
	for backwards compatibility, calls AccessMaterial().Load(bt)

void	DEREncode (BufferedTransformation &bt) const
	for backwards compatibility, calls GetMaterial().Save(bt)

virtual std::string	AlgorithmName () const
	returns name of this algorithm, not universally implemented yet

virtual Clonable *	Clone () const
	this is not implemented by most classes yet

Protected Types
typedef RandomizedTrapdoorFunctionInverse	TrapdoorFunctionInterface

typedef PK_SignatureMessageEncodingMethod	MessageEncodingInterface

Protected Member Functions
size_t	MessageRepresentativeLength () const

size_t	MessageRepresentativeBitLength () const

virtual HashIdentifier	GetHashIdentifier () const =0

virtual size_t	GetDigestSize () const =0

virtual const TrapdoorFunctionBounds &	GetTrapdoorFunctionBounds () const =0

virtual const TrapdoorFunctionInterface &	GetTrapdoorFunctionInterface () const =0

virtual const MessageEncodingInterface &	GetMessageEncodingInterface () const =0

Detailed Description

_

Definition at line 335 of file pubkey.h.

Member Function Documentation

size_t TF_SignerBase::SignAndRestart	(	RandomNumberGenerator &	rng,
		PK_MessageAccumulator &	messageAccumulator,
		byte *	signature,
		bool	restart = `true`
	)		const

virtual

sign and restart messageAccumulator

Precondition: size of signature == MaxSignatureLength()

Returns: actual signature length

Implements PK_Signer.

virtual size_t PK_Signer::Sign	(	RandomNumberGenerator &	rng,
		PK_MessageAccumulator *	messageAccumulator,
		byte *	signature
	)		const

virtualinherited

sign and delete messageAccumulator (even in case of exception thrown)

Precondition: size of signature == MaxSignatureLength()

Returns: actual signature length

virtual size_t PK_Signer::SignMessage	(	RandomNumberGenerator &	rng,
		const byte *	message,
		size_t	messageLen,
		byte *	signature
	)		const

virtualinherited

sign a message

Precondition: size of signature == MaxSignatureLength()

Returns: actual signature length

virtual size_t PK_Signer::SignMessageWithRecovery	(	RandomNumberGenerator &	rng,
		const byte *	recoverableMessage,
		size_t	recoverableMessageLength,
		const byte *	nonrecoverableMessage,
		size_t	nonrecoverableMessageLength,
		byte *	signature
	)		const

virtualinherited

sign a recoverable message

Precondition: size of signature == MaxSignatureLength(recoverableMessageLength)

Returns: actual signature length

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

pubkey.h

Public Member Functions

Protected Types

Protected Member Functions

Detailed Description

Member Function Documentation