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

#include <eccrypto.h>

Inheritance diagram for DL_PublicKey_EC< EC >:

Collaboration diagram for DL_PublicKey_EC< EC >:

Public Types
typedef EC::Point	Element

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

Public Types inherited from DL_PublicKey< DL_GroupParameters_EC< EC >::Element >
typedef DL_GroupParameters_EC< EC >::Element	Element

Public Types inherited from DL_KeyImpl< X509PublicKey, DL_GroupParameters_EC< EC > >
typedef DL_GroupParameters_EC< EC >	GroupParameters

Public Member Functions
virtual	~DL_PublicKey_EC ()

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

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

void	BERDecodePublicKey (BufferedTransformation &bt, bool parametersPresent, size_t size)
	decode subjectPublicKey part of subjectPublicKeyInfo, without the BIT STRING header More...

void	DEREncodePublicKey (BufferedTransformation &bt) const
	encode subjectPublicKey part of subjectPublicKeyInfo, without the BIT STRING header More...

Public Member Functions inherited from DL_PublicKeyImpl< DL_GroupParameters_EC< EC > >
virtual	~DL_PublicKeyImpl ()

bool	Validate (RandomNumberGenerator &rng, unsigned int level) const
	Check this object for errors. More...

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

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

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

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

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

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

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

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

const DL_FixedBasePrecomputation< Element > &	GetPublicPrecomputation () const

DL_FixedBasePrecomputation< Element > &	AccessPublicPrecomputation ()

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

Public Member Functions inherited from DL_PublicKey< DL_GroupParameters_EC< EC >::Element >
virtual	~DL_PublicKey ()

bool	GetVoidValue (const char name, const std::type_info &valueType, void pValue) const

void	AssignFrom (const NameValuePairs &source)

virtual const Element &	GetPublicElement () const

virtual void	SetPublicElement (const Element &y)

virtual Element	ExponentiatePublicElement (const Integer &exponent) const

virtual Element	CascadeExponentiateBaseAndPublicElement (const Integer &baseExp, const Integer &publicExp) const

Public Member Functions inherited from DL_Key< DL_GroupParameters_EC< EC >::Element >
virtual	~DL_Key ()

Public Member Functions inherited from DL_KeyImpl< X509PublicKey, DL_GroupParameters_EC< EC > >
virtual	~DL_KeyImpl ()

OID	GetAlgorithmID () const

bool	BERDecodeAlgorithmParameters (BufferedTransformation &bt)

bool	DEREncodeAlgorithmParameters (BufferedTransformation &bt) const

const DL_GroupParameters_EC< EC > &	GetGroupParameters () const

DL_GroupParameters_EC< EC > &	AccessGroupParameters ()

Public Member Functions inherited from X509PublicKey
virtual	~X509PublicKey ()

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

void	DEREncode (BufferedTransformation &bt) const
	Encode this object into a BufferedTransformation. More...

Public Member Functions inherited from ASN1CryptoMaterial< PublicKey >
void	Save (BufferedTransformation &bt) const
	DER encode ASN.1 object. More...

void	Load (BufferedTransformation &bt)
	BER decode ASN.1 object. More...

Public Member Functions inherited from ASN1Object
virtual	~ASN1Object ()

virtual void	BEREncode (BufferedTransformation &bt) const
	Encode this object into a BufferedTransformation. More...

Public Member Functions inherited from CryptoMaterial
virtual	~CryptoMaterial ()

virtual void	ThrowIfInvalid (RandomNumberGenerator &rng, unsigned int level) const
	Check this object for errors. More...

void	DoQuickSanityCheck () const
	Perform a quick sanity check. More...

Public Member Functions inherited from NameValuePairs
virtual	~NameValuePairs ()

template<class T >
bool	GetThisObject (T &object) const
	Get a copy of this object or subobject. More...

template<class T >
bool	GetThisPointer (T *&ptr) const
	Get a pointer to this object. More...

template<class T >
bool	GetValue (const char *name, T &value) const
	Get a named value. More...

template<class T >
T	GetValueWithDefault (const char *name, T defaultValue) const
	Get a named value. More...

CRYPTOPP_DLL std::string	GetValueNames () const
	Get a list of value names that can be retrieved. More...

CRYPTOPP_DLL bool	GetIntValue (const char *name, int &value) const
	Get a named value with type int. More...

CRYPTOPP_DLL int	GetIntValueWithDefault (const char *name, int defaultValue) const
	Get a named value with type int, with default. More...

template<class T >
void	GetRequiredParameter (const char className, const char name, T &value) const
	Retrieves a required name/value pair. More...

CRYPTOPP_DLL void	GetRequiredIntParameter (const char className, const char name, int &value) const
	Retrieves a required name/value pair. More...

Additional Inherited Members
Static Public Member Functions inherited from NameValuePairs
static CRYPTOPP_DLL void CRYPTOPP_API	ThrowIfTypeMismatch (const char *name, const std::type_info &stored, const std::type_info &retrieving)
	Ensures an expected name and type is present. More...

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 176 of file eccrypto.h.

Member Typedef Documentation

template<class EC>

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

Definition at line 179 of file eccrypto.h.

Constructor & Destructor Documentation

template<class EC>

virtual DL_PublicKey_EC< EC >::~DL_PublicKey_EC ( )

inlinevirtual

Definition at line 181 of file eccrypto.h.

Member Function Documentation

template<class EC >

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

virtual

decode subjectPublicKey part of subjectPublicKeyInfo, without the BIT STRING header

Implements X509PublicKey.

Definition at line 650 of file eccrypto.cpp.

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template<class EC >

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

virtual

encode subjectPublicKey part of subjectPublicKeyInfo, without the BIT STRING header

Implements X509PublicKey.

Definition at line 661 of file eccrypto.cpp.

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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 187 of file eccrypto.h.

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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 196 of file eccrypto.h.

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

src/cryptopp/eccrypto.h
src/cryptopp/eccrypto.cpp

Public Types

Public Member Functions

Additional Inherited Members

Detailed Description

template<class EC> class DL_PublicKey_EC< EC >

Member Typedef Documentation

Constructor & Destructor Documentation

Member Function Documentation

template<class EC>
class DL_PublicKey_EC< EC >