Inheritance diagram for TF_VerifierImpl< SCHEME_OPTIONS >:

Public Types
typedef SCHEME_OPTIONS::PublicKey	KeyClass

typedef SCHEME_OPTIONS	SchemeOptions

Public Member Functions
const KeyClass &	GetKey () const

KeyClass &	AccessKey ()

PublicKey &	AccessPublicKey ()

const PublicKey &	GetPublicKey () const

PrivateKey &	AccessPrivateKey ()

const PrivateKey &	GetPrivateKey () const

const KeyClass &	GetTrapdoorFunction () const

PK_MessageAccumulator *	NewSignatureAccumulator (RandomNumberGenerator &rng) const

PK_MessageAccumulator *	NewVerificationAccumulator () const

std::string	AlgorithmName () const

void	InputSignature (PK_MessageAccumulator &messageAccumulator, const byte *signature, size_t signatureLength) const
	input signature into a message accumulator

bool	VerifyAndRestart (PK_MessageAccumulator &messageAccumulator) const
	check whether messageAccumulator contains a valid signature and message, and restart messageAccumulator

DecodingResult	RecoverAndRestart (byte *recoveredMessage, PK_MessageAccumulator &recoveryAccumulator) const
	recover a message from its signature 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 bool	Verify (PK_MessageAccumulator *messageAccumulator) const
	check whether messageAccumulator contains a valid signature and message, and delete messageAccumulator (even in case of exception thrown)

virtual bool	VerifyMessage (const byte message, size_t messageLen, const byte signature, size_t signatureLength) const
	check whether input signature is a valid signature for input message

virtual DecodingResult	Recover (byte recoveredMessage, PK_MessageAccumulator messageAccumulator) const
	recover a message from its signature More...

virtual DecodingResult	RecoverMessage (byte recoveredMessage, const byte nonrecoverableMessage, size_t nonrecoverableMessageLength, const byte *signature, size_t signatureLength) const
	recover a message from its signature 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

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

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

virtual Clonable *	Clone () const
	Copies this object. More...

Static Public Member Functions
static std::string	StaticAlgorithmName ()

Detailed Description

template<class SCHEME_OPTIONS>
class TF_VerifierImpl< SCHEME_OPTIONS >

_

Definition at line 670 of file pubkey.h.

Member Function Documentation

DecodingResult TF_VerifierBase::RecoverAndRestart	(	byte *	recoveredMessage,
		PK_MessageAccumulator &	messageAccumulator
	)		const

virtualinherited

recover a message from its signature

Precondition: size of recoveredMessage == MaxRecoverableLengthFromSignatureLength(signatureLength)

Implements PK_Verifier.

Definition at line 125 of file pubkey.cpp.

References HashTransformation::DigestSize().

DecodingResult PK_Verifier::Recover	(	byte *	recoveredMessage,
		PK_MessageAccumulator *	messageAccumulator
	)		const

virtualinherited

recover a message from its signature

Precondition: size of recoveredMessage == MaxRecoverableLengthFromSignatureLength(signatureLength)

Definition at line 905 of file cryptlib.cpp.

DecodingResult PK_Verifier::RecoverMessage	(	byte *	recoveredMessage,
		const byte *	nonrecoverableMessage,
		size_t	nonrecoverableMessageLength,
		const byte *	signature,
		size_t	signatureLength
	)		const