DL_PublicKey_EC< EC > Class Template Reference

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

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.

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

• eccrypto.h