#include <pubkey.h>

Inheritance diagram for DL_SignerImpl< SCHEME_OPTIONS >:

Public Types
typedef SCHEME_OPTIONS::PrivateKey::Element	Element

typedef SCHEME_OPTIONS	SchemeOptions

Public Member Functions
PK_MessageAccumulator *	NewSignatureAccumulator (RandomNumberGenerator &rng) const
	create a new HashTransformation to accumulate the message to be signed

PrivateKey &	AccessPrivateKey ()

PublicKey &	AccessPublicKey ()

const SCHEME_OPTIONS::PrivateKey &	GetKey () const

SCHEME_OPTIONS::PrivateKey &	AccessKey ()

std::string	AlgorithmName () const

void	RawSign (const Integer &k, const Integer &e, Integer &r, Integer &s) const

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

size_t	SignAndRestart (RandomNumberGenerator &rng, PK_MessageAccumulator &messageAccumulator, byte *signature, bool restart) 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 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 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 Clonable *	Clone () const
	this is not implemented by most classes yet

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

Protected Types
typedef DL_PrivateKey < SCHEME_OPTIONS::Element >	KeyInterface

Protected Member Functions
const DL_ElgamalLikeSignatureAlgorithm < Element > &	GetSignatureAlgorithm () const

const DL_KeyAgreementAlgorithm < Element > &	GetKeyAgreementAlgorithm () const

const DL_KeyDerivationAlgorithm < Element > &	GetKeyDerivationAlgorithm () const

const DL_SymmetricEncryptionAlgorithm &	GetSymmetricEncryptionAlgorithm () const

HashIdentifier	GetHashIdentifier () const

const PK_SignatureMessageEncodingMethod &	GetMessageEncodingInterface () const

DL_SignerBase < SCHEME_OPTIONS::Element > ::KeyInterface &	AccessKeyInterface ()

const DL_SignerBase < SCHEME_OPTIONS::Element > ::KeyInterface &	GetKeyInterface () const

size_t	GetDigestSize () const

void	RestartMessageAccumulator (RandomNumberGenerator &rng, PK_MessageAccumulatorBase &ma) const

size_t	MessageRepresentativeLength () const

size_t	MessageRepresentativeBitLength () const

const DL_GroupParameters < Element > &	GetAbstractGroupParameters () const

DL_GroupParameters< Element > &	AccessAbstractGroupParameters ()

Detailed Description

template<class SCHEME_OPTIONS>
class DL_SignerImpl< SCHEME_OPTIONS >

_

Definition at line 1338 of file pubkey.h.

Member Function Documentation

size_t DL_SignerBase< SCHEME_OPTIONS::Element >::SignAndRestart	(	RandomNumberGenerator &	rng,
		PK_MessageAccumulator &	messageAccumulator,
		byte *	signature,
		bool	restart
	)		const

inlinevirtualinherited

sign and restart messageAccumulator

Precondition: size of signature == MaxSignatureLength()

Returns: actual signature length

Implements PK_Signer.

Definition at line 1018 of file pubkey.h.

References RandomNumberGenerator::CanIncorporateEntropy(), and RandomNumberGenerator::IncorporateEntropy().

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 Types

Public Member Functions

Static Public Member Functions

Protected Types

Protected Member Functions

Detailed Description

template<class SCHEME_OPTIONS> class DL_SignerImpl< SCHEME_OPTIONS >

Member Function Documentation

template<class SCHEME_OPTIONS>
class DL_SignerImpl< SCHEME_OPTIONS >