#include <pubkey.h>

Inheritance diagram for DL_VerifierBase< T >:

Collaboration diagram for DL_VerifierBase< T >:

Public Member Functions
virtual	~DL_VerifierBase ()

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

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

DecodingResult	RecoverAndRestart (byte *recoveredMessage, PK_MessageAccumulator &messageAccumulator) const
	Recover a message from its signature. More...

Public Member Functions inherited from DL_SignatureSchemeBase< PK_Verifier, DL_PublicKey< T > >
virtual	~DL_SignatureSchemeBase ()

size_t	SignatureLength () const
	Provides the signature length. More...

size_t	MaxRecoverableLength () const
	Provides the maximum recoverable length. More...

size_t	MaxRecoverableLengthFromSignatureLength (size_t signatureLength) const
	Provides the maximum recoverable length. More...

bool	IsProbabilistic () const
	Determines if the scheme is probabilistic. More...

bool	AllowNonrecoverablePart () const
	Determines if the scheme has non-recoverable part. More...

bool	RecoverablePartFirst () const
	Determines if the scheme allows recoverable part first. More...

Public Member Functions inherited from PK_Verifier
virtual	~PK_Verifier ()

virtual PK_MessageAccumulator *	NewVerificationAccumulator () const =0
	Create a new HashTransformation to accumulate the message to be verified. More...

virtual bool	Verify (PK_MessageAccumulator *messageAccumulator) const
	Check whether messageAccumulator contains a valid signature and message. More...

virtual bool	VerifyMessage (const byte message, size_t messageLen, const byte signature, size_t signatureLen) const
	Check whether input signature is a valid signature for input message. More...

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...

Public Member Functions inherited from PK_SignatureScheme
virtual	~PK_SignatureScheme ()

virtual size_t	MaxSignatureLength (size_t recoverablePartLength=0) const
	Provides the maximum signature length produced given the length of the recoverable message part. More...

virtual bool	SignatureUpfront () const
	Determines whether the signature must be input before the message. More...

Public Member Functions inherited from PublicKeyAlgorithm
virtual	~PublicKeyAlgorithm ()

CryptoMaterial &	AccessMaterial ()
	Retrieves a reference to a Public Key. More...

const CryptoMaterial &	GetMaterial () const
	Retrieves a reference to a Public Key. More...

virtual PublicKey &	AccessPublicKey ()=0
	Retrieves a reference to a Public Key. More...

virtual const PublicKey &	GetPublicKey () const
	Retrieves a reference to a Public Key. More...

Public Member Functions inherited from AsymmetricAlgorithm
virtual	~AsymmetricAlgorithm ()

void	BERDecode (BufferedTransformation &bt)
	Loads this object from a BufferedTransformation. More...

void	DEREncode (BufferedTransformation &bt) const
	Saves this object to a BufferedTransformation. More...

Public Member Functions inherited from Algorithm
virtual	~Algorithm ()

	Algorithm (bool checkSelfTestStatus=true)
	Interface for all crypto algorithms. More...

virtual std::string	AlgorithmName () const
	Provides the name of this algorithm. More...

Public Member Functions inherited from Clonable
virtual	~Clonable ()

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

Additional Inherited Members
Protected Types inherited from DL_Base< DL_PublicKey< T > >
typedef DL_PublicKey< T >	KeyInterface

typedef DL_PublicKey< T >::Element	Element

Protected Member Functions inherited from DL_SignatureSchemeBase< PK_Verifier, DL_PublicKey< T > >
size_t	MessageRepresentativeLength () const

size_t	MessageRepresentativeBitLength () const

virtual bool	IsDeterministic () const

virtual const DL_ElgamalLikeSignatureAlgorithm< typename DL_PublicKey< T >::Element > &	GetSignatureAlgorithm () const =0

virtual const PK_SignatureMessageEncodingMethod &	GetMessageEncodingInterface () const =0

virtual HashIdentifier	GetHashIdentifier () const =0

virtual size_t	GetDigestSize () const =0

Protected Member Functions inherited from DL_Base< DL_PublicKey< T > >
virtual	~DL_Base ()

const DL_GroupParameters< Element > &	GetAbstractGroupParameters () const

DL_GroupParameters< Element > &	AccessAbstractGroupParameters ()

virtual KeyInterface &	AccessKeyInterface ()=0

virtual const KeyInterface &	GetKeyInterface () const =0

Detailed Description

template<class T>
class DL_VerifierBase< T >

_

Definition at line 1519 of file pubkey.h.

Constructor & Destructor Documentation

template<class T>

virtual DL_VerifierBase< T >::~DL_VerifierBase ( )

inlinevirtual

Definition at line 1522 of file pubkey.h.

Member Function Documentation

template<class T>

void DL_VerifierBase< T >::InputSignature	(	PK_MessageAccumulator &	messageAccumulator,
		const byte *	signature,
		size_t	signatureLength
	)		const

inlinevirtual

Input signature into a message accumulator.

Parameters

messageAccumulator	a pointer to a PK_MessageAccumulator derived class
signature	the signature on the message
signatureLength	the size of the signature

Implements PK_Verifier.

Definition at line 1524 of file pubkey.h.

template<class T>

DecodingResult DL_VerifierBase< T >::RecoverAndRestart	(	byte *	recoveredMessage,
		PK_MessageAccumulator &	messageAccumulator
	)		const

inlinevirtual

Recover a message from its signature.

Parameters

recoveredMessage	a pointer to the recoverable message part to be verified
messageAccumulator	a pointer to a PK_MessageAccumulator derived class

Returns: the result of the verification operation

RecoverAndRestart() restarts the messageAccumulator

Precondition: COUNTOF(recoveredMessage) == MaxRecoverableLengthFromSignatureLength(signatureLength)

Implements PK_Verifier.

Definition at line 1558 of file pubkey.h.

template<class T>

bool DL_VerifierBase< T >::VerifyAndRestart ( PK_MessageAccumulator & messageAccumulator ) const

inlinevirtual

Check whether messageAccumulator contains a valid signature and message, and restart messageAccumulator.

Parameters

messageAccumulator a reference to a PK_MessageAccumulator derived class

Returns: true if the signature is valid, false otherwise

VerifyAndRestart() restarts the messageAccumulator

Implements PK_Verifier.

Definition at line 1538 of file pubkey.h.

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

src/cryptopp/pubkey.h

Public Member Functions

Additional Inherited Members

Detailed Description

template<class T> class DL_VerifierBase< T >

Constructor & Destructor Documentation

Member Function Documentation

template<class T>
class DL_VerifierBase< T >