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ECParameters Class Template Reference

Elliptic Curve Parameters. More...

#include <eccrypto.h>

Inheritance diagram for ECParameters:

List of all members.

Public Types
typedef EC::Point	Point
Public Methods
	ECParameters ()
	ECParameters (const OID &oid)
	ECParameters (const EC &ec,const Point &G,const Integer &n)
	ECParameters (const EC &ec,const Point &G,const Integer &n,const Integer &k)
	ECParameters (BufferedTransformation &bt)
void	LoadRecommendedParameters (const OID &oid)
void	BERDecode (BufferedTransformation &bt)
void	DEREncode (BufferedTransformation &bt)const
bool	ValidateParameters (RandomNumberGenerator &rng)const
void	Precompute (unsigned int precomputationStorage=16)
void	LoadPrecomputation (BufferedTransformation &storedPrecomputation)
	retrieve previously saved precomputation. More...
void	SavePrecomputation (BufferedTransformation &storedPrecomputation)const
	save precomputation for later use. More...
void	SetPointCompression (bool compress)
bool	GetPointCompression ()const
void	SetEncodeAsOID (bool encodeAsOID)
bool	GetEncodeAsOID ()const
const EC&	GetCurve ()const
const Point&	GetBasePoint ()const
const Integer&	GetBasePointOrder ()const
const bool	CofactorPresent ()const
const Integer&	GetCofactor ()const
Static Public Methods
OID	GetNextRecommendedParametersOID (const OID &oid)
Protected Methods
unsigned int	EncodedPointSize ()const
void	EncodePoint (byte *encodedPoint,const Point &P)const
unsigned int	FieldElementLength ()const
unsigned int	ExponentLength ()const
unsigned int	ExponentBitLength ()const
Protected Attributes
OID	m_oid
value_ptr<EC>	m_ec
Point	m_G
EcPrecomputation<EC>	m_Gpc
Integer	m_n
bool	m_cofactorPresent
bool	m_compress
bool	m_encodeAsOID
Integer	m_k

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Detailed Description

template<class EC> class ECParameters

Elliptic Curve Parameters.

This class corresponds to the ASN.1 sequence of the same name in ANSI X9.62 (also SEC 1).

Definition at line 51 of file eccrypto.h.

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Member Typedef Documentation

template<class EC> typedef EC::Point ECParameters<EC>::Point

Definition at line 54 of file eccrypto.h.

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Constructor & Destructor Documentation

template<class EC> ECParameters<EC>::ECParameters<EC> ( ) [inline]

Definition at line 56 of file eccrypto.h.

template<class EC> ECParameters<EC>::ECParameters<EC> ( const OID & oid ) [inline]

Definition at line 57 of file eccrypto.h.

template<class EC> ECParameters<EC>::ECParameters<EC> ( const EC & ec, const Point & G, const Integer & n ) [inline]

Definition at line 59 of file eccrypto.h.

template<class EC> ECParameters<EC>::ECParameters<EC> ( const EC & ec, const Point & G, const Integer & n, const Integer & k ) [inline]

Definition at line 61 of file eccrypto.h.

template<class EC> ECParameters<EC>::ECParameters<EC> ( BufferedTransformation & bt ) [inline]

Definition at line 63 of file eccrypto.h.

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Member Function Documentation

template<class EC> void ECParameters< EC >::BERDecode ( BufferedTransformation & bt )

Definition at line 370 of file eccrypto.cpp.

template<class EC> const bool ECParameters<EC>::CofactorPresent ( ) const [inline]

Definition at line 88 of file eccrypto.h.

template<class EC> void ECParameters< EC >::DEREncode ( BufferedTransformation & bt ) const

Definition at line 393 of file eccrypto.cpp.

template<class EC> void ECParameters<EC>::EncodePoint ( byte * encodedPoint, const Point & P ) const [inline, protected]

Definition at line 93 of file eccrypto.h.

template<class EC> unsigned int ECParameters<EC>::EncodedPointSize ( ) const [inline, protected]

Definition at line 92 of file eccrypto.h.

template<class EC> unsigned int ECParameters<EC>::ExponentBitLength ( ) const [inline, protected]

Definition at line 96 of file eccrypto.h.

template<class EC> unsigned int ECParameters<EC>::ExponentLength ( ) const [inline, protected]

Definition at line 95 of file eccrypto.h.

template<class EC> unsigned int ECParameters<EC>::FieldElementLength ( ) const [inline, protected]

Definition at line 94 of file eccrypto.h.

template<class EC> const Point & ECParameters<EC>::GetBasePoint ( ) const [inline]

Definition at line 86 of file eccrypto.h.

template<class EC> const Integer & ECParameters<EC>::GetBasePointOrder ( ) const [inline]

Definition at line 87 of file eccrypto.h.

template<class EC> const Integer & ECParameters<EC>::GetCofactor ( ) const [inline]

Definition at line 89 of file eccrypto.h.

template<class EC> const EC & ECParameters<EC>::GetCurve ( ) const [inline]

Definition at line 85 of file eccrypto.h.

template<class EC> bool ECParameters<EC>::GetEncodeAsOID ( ) const [inline]

Definition at line 83 of file eccrypto.h.

template<class EC> OID ECParameters< EC >::GetNextRecommendedParametersOID ( const OID & oid ) [static]

Definition at line 336 of file eccrypto.cpp.

template<class EC> bool ECParameters<EC>::GetPointCompression ( ) const [inline]

Definition at line 80 of file eccrypto.h.

template<class EC> void ECParameters< EC >::LoadPrecomputation ( BufferedTransformation & bt ) [virtual]

retrieve previously saved precomputation. Reimplemented from PK_Precomputation. Reimplemented in ECPublicKey. Definition at line 426 of file eccrypto.cpp.

template<class EC> void ECParameters< EC >::LoadRecommendedParameters ( const OID & oid )

Definition at line 347 of file eccrypto.cpp.

template<class EC> void ECParameters< EC >::Precompute ( unsigned int precomputationStorage = 16 ) [virtual]

The exact semantics of Precompute() is varies, but typically it means calculate a table of n objects that can be used later to speed up computation. Reimplemented from PK_Precomputation. Reimplemented in ECPublicKey. Definition at line 420 of file eccrypto.cpp.

template<class EC> void ECParameters< EC >::SavePrecomputation ( BufferedTransformation & bt ) const [virtual]

save precomputation for later use. Reimplemented from PK_Precomputation. Reimplemented in ECPublicKey. Definition at line 432 of file eccrypto.cpp.

template<class EC> void ECParameters<EC>::SetEncodeAsOID ( bool encodeAsOID ) [inline]

Definition at line 82 of file eccrypto.h.

template<class EC> void ECParameters<EC>::SetPointCompression ( bool compress ) [inline]

Definition at line 79 of file eccrypto.h.

template<class EC> bool ECParameters< EC >::ValidateParameters ( RandomNumberGenerator & rng ) const

Definition at line 410 of file eccrypto.cpp.

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Member Data Documentation

template<class EC> Point ECParameters<EC>::m_G [protected]

Definition at line 100 of file eccrypto.h.

template<class EC> EcPrecomputation< EC > ECParameters<EC>::m_Gpc [protected]

Definition at line 101 of file eccrypto.h.

template<class EC> bool ECParameters<EC>::m_cofactorPresent [protected]

Definition at line 103 of file eccrypto.h.

template<class EC> bool ECParameters<EC>::m_compress [protected]

Definition at line 103 of file eccrypto.h.

template<class EC> value_ptr< EC > ECParameters<EC>::m_ec [protected]

Definition at line 99 of file eccrypto.h.

template<class EC> bool ECParameters<EC>::m_encodeAsOID [protected]

Definition at line 103 of file eccrypto.h.

template<class EC> Integer ECParameters<EC>::m_k [protected]

Definition at line 104 of file eccrypto.h.

template<class EC> Integer ECParameters<EC>::m_n [protected]

Definition at line 102 of file eccrypto.h.

template<class EC> OID ECParameters<EC>::m_oid [protected]

Definition at line 98 of file eccrypto.h.

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

• eccrypto.h
• eccrypto.cpp

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