DL_Algorithm_GDSA< T > Class Template Reference

GDSA algorithm. More...

#include <gfpcrypt.h>

Inheritance diagram for DL_Algorithm_GDSA< T >:

Public Member Functions
void	Sign (const DL_GroupParameters< T > &params, const Integer &x, const Integer &k, const Integer &e, Integer &r, Integer &s) const
	Sign a message using a private key. More...
bool	Verify (const DL_GroupParameters< T > &params, const DL_PublicKey< T > &publicKey, const Integer &e, const Integer &r, const Integer &s) const
	Verify a message using a public key. More...
Public Member Functions inherited from DL_ElgamalLikeSignatureAlgorithm< T >
virtual void	Sign (const DL_GroupParameters< T > &params, const Integer &privateKey, const Integer &k, const Integer &e, Integer &r, Integer &s) const =0
	Sign a message using a private key. More...
virtual bool	Verify (const DL_GroupParameters< T > &params, const DL_PublicKey< T > &publicKey, const Integer &e, const Integer &r, const Integer &s) const =0
	Verify a message using a public key. More...
virtual Integer	RecoverPresignature (const DL_GroupParameters< T > &params, const DL_PublicKey< T > &publicKey, const Integer &r, const Integer &s) const
	Recover a Presignature. More...
virtual size_t	RLen (const DL_GroupParameters< T > &params) const
	Retrieve R length. More...
virtual size_t	SLen (const DL_GroupParameters< T > &params) const
	Retrieve S length. More...
virtual bool	IsDeterministic () const
	Signature scheme flag. More...

Static Public Member Functions
static const char *	StaticAlgorithmName ()

Detailed Description

template<class T>
class DL_Algorithm_GDSA< T >

GDSA algorithm.

Template Parameters

T	FieldElement type or class

FieldElement T can be Integer, ECP or EC2N.

Definition at line 308 of file gfpcrypt.h.

Constructor & Destructor Documentation

~DL_Algorithm_GDSA()

template<class T >

virtual DL_Algorithm_GDSA< T >::~DL_Algorithm_GDSA ( )

inlinevirtual

Definition at line 313 of file gfpcrypt.h.

Member Function Documentation

StaticAlgorithmName()

template<class T >

static const char * DL_Algorithm_GDSA< T >::StaticAlgorithmName ( )

inlinestatic

Definition at line 311 of file gfpcrypt.h.

Sign()

template<class T >

void DL_Algorithm_GDSA< T >::Sign ( const DL_GroupParameters< T > &  params, const Integer &  privateKey, const Integer &  k, const Integer &  e, Integer &  r, Integer &  s  ) const

inlinevirtual

Sign a message using a private key.

Parameters

params	GroupParameters
privateKey	private key
k	signing exponent
e	encoded message
r	r part of signature
s	s part of signature

Implements DL_ElgamalLikeSignatureAlgorithm< T >.

Definition at line 315 of file gfpcrypt.h.

Verify()

template<class T >

bool DL_Algorithm_GDSA< T >::Verify ( const DL_GroupParameters< T > &  params, const DL_PublicKey< T > &  publicKey, const Integer &  e, const Integer &  r, const Integer &  s  ) const

inlinevirtual

Verify a message using a public key.

Parameters

params	GroupParameters
publicKey	public key
e	encoded message
r	r part of signature
s	s part of signature

Implements DL_ElgamalLikeSignatureAlgorithm< T >.

Definition at line 324 of file gfpcrypt.h.

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

• gfpcrypt.h