Elliptic Curve Discrete Log (DL) public key. More...

#include <eccrypto.h>

Inheritance diagram for DL_PublicKey_EC< EC >:

Public Types
typedef EC::Point	Element

Public Types inherited from DL_PublicKeyImpl< DL_GroupParameters_EC< EC > >
typedef GP::Element	Element

Public Types inherited from DL_PublicKey< GP::Element >
typedef GP::Element	Element

Public Types inherited from DL_KeyImpl< PK, GP, O >
typedef GP	GroupParameters

Public Member Functions
void	Initialize (const DL_GroupParameters_EC< EC > &params, const Element &Q)
	Initialize an EC Public Key using {GP,Q}.

void	Initialize (const EC &ec, const Element &G, const Integer &n, const Element &Q)
	Initialize an EC Public Key using {EC,G,n,Q}.

void	BERDecodePublicKey (BufferedTransformation &bt, bool parametersPresent, size_t size)

void	DEREncodePublicKey (BufferedTransformation &bt) const

Public Member Functions inherited from DL_PublicKeyImpl< DL_GroupParameters_EC< EC > >
bool	Validate (RandomNumberGenerator &rng, unsigned int level) const
	Check this object for errors.

bool	GetVoidValue (const char name, const std::type_info &valueType, void pValue) const
	Get a named value.

void	AssignFrom (const NameValuePairs &source)
	Assign values to this object.

bool	SupportsPrecomputation () const
	Determines whether the object supports precomputation.

void	Precompute (unsigned int precomputationStorage=16)
	Perform precomputation.

void	LoadPrecomputation (BufferedTransformation &storedPrecomputation)
	Retrieve previously saved precomputation.

void	SavePrecomputation (BufferedTransformation &storedPrecomputation) const
	Save precomputation for later use.

const DL_GroupParameters< Element > &	GetAbstractGroupParameters () const
	Retrieves abstract group parameters.

DL_GroupParameters< Element > &	AccessAbstractGroupParameters ()
	Retrieves abstract group parameters.

const DL_FixedBasePrecomputation< Element > &	GetPublicPrecomputation () const
	Accesses the public precomputation.

DL_FixedBasePrecomputation< Element > &	AccessPublicPrecomputation ()
	Accesses the public precomputation.

bool	operator== (const DL_PublicKeyImpl< DL_GroupParameters_EC< EC > > &rhs) const

Public Member Functions inherited from DL_PublicKey< GP::Element >
bool	GetVoidValue (const char name, const std::type_info &valueType, void pValue) const
	Get a named value.

void	AssignFrom (const NameValuePairs &source)
	Initialize or reinitialize this key.

virtual const Element &	GetPublicElement () const
	Retrieves the public element.

virtual void	SetPublicElement (const Element &y)
	Sets the public element.

virtual Element	ExponentiatePublicElement (const Integer &exponent) const
	Exponentiates this element.

virtual Element	CascadeExponentiateBaseAndPublicElement (const Integer &baseExp, const Integer &publicExp) const
	Exponentiates an element.

Public Member Functions inherited from DL_KeyImpl< PK, GP, O >
O	GetAlgorithmID () const

bool	BERDecodeAlgorithmParameters (BufferedTransformation &bt)

bool	DEREncodeAlgorithmParameters (BufferedTransformation &bt) const

const GP &	GetGroupParameters () const

GP &	AccessGroupParameters ()

Detailed Description

template<class EC>
class DL_PublicKey_EC< EC >

Elliptic Curve Discrete Log (DL) public key.

Template Parameters

EC	elliptic curve field

Definition at line 178 of file eccrypto.h.

Member Typedef Documentation

◆ Element

template<class EC >

typedef EC::Point DL_PublicKey_EC< EC >::Element

Definition at line 181 of file eccrypto.h.

Constructor & Destructor Documentation

◆ ~DL_PublicKey_EC()

template<class EC >

virtual DL_PublicKey_EC< EC >::~DL_PublicKey_EC ( )

inlinevirtual

Definition at line 183 of file eccrypto.h.

Member Function Documentation

◆ BERDecodePublicKey()

template<class EC >

void DL_PublicKey_EC< EC >::BERDecodePublicKey	(	BufferedTransformation &	bt,
		bool	parametersPresent,
		size_t	size
	)

Definition at line 699 of file eccrypto.cpp.

◆ DEREncodePublicKey()

template<class EC >

void DL_PublicKey_EC< EC >::DEREncodePublicKey ( BufferedTransformation & bt ) const

Definition at line 710 of file eccrypto.cpp.

◆ Initialize() [1/2]

template<class EC >

void DL_PublicKey_EC< EC >::Initialize	(	const DL_GroupParameters_EC< EC > &	params,
		const Element &	Q
	)

inline

Initialize an EC Public Key using {GP,Q}.

Parameters

params	group parameters
Q	the public point

This Initialize() function overload initializes a public key from existing parameters.

Definition at line 189 of file eccrypto.h.

◆ Initialize() [2/2]

template<class EC >

void DL_PublicKey_EC< EC >::Initialize	(	const EC &	ec,
		const Element &	G,
		const Integer &	n,
		const Element &	Q
	)

inline

Initialize an EC Public Key using {EC,G,n,Q}.

Parameters

ec	the elliptic curve
G	the base point
n	the order of the base point
Q	the public point

This Initialize() function overload initializes a public key from existing parameters.

Definition at line 198 of file eccrypto.h.

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

G:/work/subversion/scol-technologies/trunk/scol/plugins/security/cryptopp/eccrypto.h
G:/work/subversion/scol-technologies/trunk/scol/plugins/security/cryptopp/eccrypto.cpp

Public Types

Public Member Functions

Detailed Description

Member Typedef Documentation

◆ Element

Constructor & Destructor Documentation

◆ ~DL_PublicKey_EC()

Member Function Documentation

◆ BERDecodePublicKey()

◆ DEREncodePublicKey()

◆ Initialize() [1/2]

◆ Initialize() [2/2]