ElGamalBase Class Reference

ElGamal key agreement and encryption schemes base class. More...

#include <elgamal.h>

Inheritance diagram for ElGamalBase:

Public Member Functions
void	Derive (const DL_GroupParameters< Integer > &groupParams, byte *derivedKey, size_t derivedLength, const Integer &agreedElement, const Integer &ephemeralPublicKey, const NameValuePairs &derivationParams) const
size_t	GetSymmetricKeyLength (size_t plainTextLength) const
size_t	GetSymmetricCiphertextLength (size_t plainTextLength) const
size_t	GetMaxSymmetricPlaintextLength (size_t cipherTextLength) const
void	SymmetricEncrypt (RandomNumberGenerator &rng, const byte *key, const byte *plainText, size_t plainTextLength, byte *cipherText, const NameValuePairs &parameters) const
DecodingResult	SymmetricDecrypt (const byte *key, const byte *cipherText, size_t cipherTextLength, byte *plainText, const NameValuePairs &parameters) const
virtual const DL_GroupParameters_GFP &	GetGroupParameters () const =0
Public Member Functions inherited from DL_KeyAgreementAlgorithm_DH< Integer, NoCofactorMultiplication >
Element	AgreeWithEphemeralPrivateKey (const DL_GroupParameters< Element > &params, const DL_FixedBasePrecomputation< Element > &publicPrecomputation, const Integer &privateExponent) const
Element	AgreeWithStaticPrivateKey (const DL_GroupParameters< Element > &params, const Element &publicElement, bool validateOtherPublicKey, const Integer &privateExponent) const
virtual Element	AgreeWithEphemeralPrivateKey (const DL_GroupParameters< Element > &params, const DL_FixedBasePrecomputation< Element > &publicPrecomputation, const Integer &privateExponent) const=0
virtual Element	AgreeWithStaticPrivateKey (const DL_GroupParameters< Element > &params, const Element &publicElement, bool validateOtherPublicKey, const Integer &privateExponent) const=0
Public Member Functions inherited from DL_KeyDerivationAlgorithm< Integer >
virtual bool	ParameterSupported (const char *name) const
virtual void	Derive (const DL_GroupParameters< Integer > &groupParams, byte *derivedKey, size_t derivedLength, const Integer &agreedElement, const Integer &ephemeralPublicKey, const NameValuePairs &derivationParams) const=0
Public Member Functions inherited from DL_SymmetricEncryptionAlgorithm
virtual bool	ParameterSupported (const char *name) const
virtual size_t	GetSymmetricKeyLength (size_t plaintextLength) const =0
virtual size_t	GetSymmetricCiphertextLength (size_t plaintextLength) const =0
virtual size_t	GetMaxSymmetricPlaintextLength (size_t ciphertextLength) const =0
virtual void	SymmetricEncrypt (RandomNumberGenerator &rng, const byte *key, const byte *plaintext, size_t plaintextLength, byte *ciphertext, const NameValuePairs &parameters) const =0
virtual DecodingResult	SymmetricDecrypt (const byte *key, const byte *ciphertext, size_t ciphertextLength, byte *plaintext, const NameValuePairs &parameters) const =0

Additional Inherited Members
Public Types inherited from DL_KeyAgreementAlgorithm_DH< Integer, NoCofactorMultiplication >
typedef Integer	Element
Public Types inherited from DL_KeyAgreementAlgorithm< Integer >
typedef Integer	Element
Static Public Member Functions inherited from DL_KeyAgreementAlgorithm_DH< Integer, NoCofactorMultiplication >
static const char *	StaticAlgorithmName ()

Detailed Description

ElGamal key agreement and encryption schemes base class.

Since

Crypto++ 1.0

Definition at line 23 of file elgamal.h.

Constructor & Destructor Documentation

~ElGamalBase()

virtual ElGamalBase::~ElGamalBase ( )

inlinevirtual

Definition at line 29 of file elgamal.h.

Member Function Documentation

Derive()

void ElGamalBase::Derive ( const DL_GroupParameters< Integer > &  groupParams, byte *  derivedKey, size_t  derivedLength, const Integer &  agreedElement, const Integer &  ephemeralPublicKey, const NameValuePairs &  derivationParams  ) const

inlinevirtual

Implements DL_KeyDerivationAlgorithm< Integer >.

Definition at line 31 of file elgamal.h.

GetSymmetricKeyLength()

size_t ElGamalBase::GetSymmetricKeyLength ( size_t  plainTextLength ) const

inlinevirtual

Implements DL_SymmetricEncryptionAlgorithm.

Definition at line 38 of file elgamal.h.

GetSymmetricCiphertextLength()

size_t ElGamalBase::GetSymmetricCiphertextLength ( size_t  plainTextLength ) const

inlinevirtual

Implements DL_SymmetricEncryptionAlgorithm.

Definition at line 44 of file elgamal.h.

GetMaxSymmetricPlaintextLength()

size_t ElGamalBase::GetMaxSymmetricPlaintextLength ( size_t  cipherTextLength ) const

inlinevirtual

Implements DL_SymmetricEncryptionAlgorithm.

Definition at line 53 of file elgamal.h.

SymmetricEncrypt()

void ElGamalBase::SymmetricEncrypt ( RandomNumberGenerator &  rng, const byte *  key, const byte *  plainText, size_t  plainTextLength, byte *  cipherText, const NameValuePairs &  parameters  ) const

inlinevirtual

Implements DL_SymmetricEncryptionAlgorithm.

Definition at line 64 of file elgamal.h.

SymmetricDecrypt()

DecodingResult ElGamalBase::SymmetricDecrypt ( const byte *  key, const byte *  cipherText, size_t  cipherTextLength, byte *  plainText, const NameValuePairs &  parameters  ) const

inlinevirtual

Implements DL_SymmetricEncryptionAlgorithm.

Definition at line 78 of file elgamal.h.

---

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

• elgamal.h