Elliptic Curve German DSA key for ISO/IEC 15946. More...

Inheritance diagram for DL_PublicKey_ECGDSA< 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
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...

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

virtual void	SetPublicElement (const Element &y)

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

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

Public Member Functions inherited from DL_PublicKeyImpl< DL_GroupParameters_EC< EC > >
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
	Accesses the public precomputation. More...

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

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

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

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

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

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

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

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

Public Member Functions inherited from DL_KeyImpl< X509PublicKey, DL_GroupParameters_EC< EC > >
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
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 void	BEREncode (BufferedTransformation &bt) const
	Encode this object into a BufferedTransformation. More...

Public Member Functions inherited from 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
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...

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

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

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

bool	GetWord64Value (const char *name, word64 &value) const
	Get a named value with type word64. More...

word64	GetWord64ValueWithDefault (const char *name, word64 defaultValue) const
	Get a named value with type word64, with default. More...

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

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 void	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_ECGDSA< EC >

Elliptic Curve German DSA key for ISO/IEC 15946.

Template Parameters

EC	elliptic curve field

See also: ECGDSA

Since: Crypto++ 6.0

Definition at line 405 of file eccrypto.h.

Member Function Documentation

◆ Initialize() [1/2]

template<class EC>

void DL_PublicKey_ECGDSA< 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 509 of file eccrypto.h.

◆ Initialize() [2/2]

template<class EC>

void DL_PublicKey_ECGDSA< 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 518 of file eccrypto.h.

◆ AssignFrom()

template<class EC>

virtual void DL_PublicKey_ECGDSA< EC >::AssignFrom ( const NameValuePairs & source )

inlinevirtual

Assign values to this object.

This function can be used to create a public key from a private key.

Implements CryptoMaterial.

Definition at line 521 of file eccrypto.h.

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

Public Types

Public Member Functions

Additional Inherited Members

Detailed Description

template<class EC> class DL_PublicKey_ECGDSA< EC >

Member Function Documentation

◆ Initialize() [1/2]

◆ Initialize() [2/2]

◆ AssignFrom()

template<class EC>
class DL_PublicKey_ECGDSA< EC >