Crypto++  8.8
Free C++ class library of cryptographic schemes
Public Member Functions | List of all members
ElGamalObjectImpl< BASE, SCHEME_OPTIONS, KEY > Class Template Reference

ElGamal key agreement and encryption schemes default implementation. More...

+ Inheritance diagram for ElGamalObjectImpl< BASE, SCHEME_OPTIONS, KEY >:

Public Member Functions

size_t FixedMaxPlaintextLength () const
 
size_t FixedCiphertextLength () const
 
const DL_GroupParameters_GFPGetGroupParameters () const
 
DecodingResult FixedLengthDecrypt (RandomNumberGenerator &rng, const byte *cipherText, byte *plainText) const
 
- Public Member Functions inherited from DL_ObjectImplBase< BASE, SCHEME_OPTIONS, KEY >
PrivateKeyAccessPrivateKey ()
 
PublicKeyAccessPublicKey ()
 
const KEY & GetKey () const
 
KEY & AccessKey ()
 
- Public Member Functions inherited from AlgorithmImpl< BASE, SCHEME_OPTIONS::AlgorithmInfo >
std::string AlgorithmName () const
 The algorithm name. More...
 
- Public Member Functions inherited from ElGamalBase
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
 
- 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
 
- Public Member Functions inherited from DL_KeyDerivationAlgorithm< Integer >
virtual bool ParameterSupported (const char *name) const
 
- Public Member Functions inherited from DL_SymmetricEncryptionAlgorithm
virtual bool ParameterSupported (const char *name) const
 

Additional Inherited Members

- Public Types inherited from DL_ObjectImplBase< BASE, SCHEME_OPTIONS, KEY >
typedef SCHEME_OPTIONS SchemeOptions
 
typedef KEY::Element Element
 
- Public Types inherited from DL_KeyAgreementAlgorithm_DH< Integer, NoCofactorMultiplication >
typedef Integer Element
 
- Public Types inherited from DL_KeyAgreementAlgorithm< T >
typedef T Element
 
- Static Public Member Functions inherited from AlgorithmImpl< BASE, SCHEME_OPTIONS::AlgorithmInfo >
static std::string StaticAlgorithmName ()
 The algorithm name. More...
 
- Static Public Member Functions inherited from DL_KeyAgreementAlgorithm_DH< Integer, NoCofactorMultiplication >
static const char * StaticAlgorithmName ()
 

Detailed Description

template<class BASE, class SCHEME_OPTIONS, class KEY>
class ElGamalObjectImpl< BASE, SCHEME_OPTIONS, KEY >

ElGamal key agreement and encryption schemes default implementation.

Template Parameters
BASEBase class implementation
SCHEME_OPTIONSScheme options
KEYElGamal key classes
Since
Crypto++ 1.0

Definition at line 107 of file elgamal.h.


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