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MQV_Domain< GROUP_PARAMETERS, COFACTOR_OPTION > Class Template Reference

#include <mqv.h>

Inheritance diagram for MQV_Domain< GROUP_PARAMETERS, COFACTOR_OPTION >:

AuthenticatedKeyAgreementDomain KeyAgreementAlgorithm AsymmetricAlgorithm Algorithm Clonable List of all members.

Detailed Description

template<class GROUP_PARAMETERS, class COFACTOR_OPTION = typename GROUP_PARAMETERS::DefaultCofactorOption>
class MQV_Domain< GROUP_PARAMETERS, COFACTOR_OPTION >

_

Definition at line 13 of file mqv.h.

Public Types

typedef GROUP_PARAMETERS GroupParameters
typedef GroupParameters::Element Element
typedef MQV_Domain< GROUP_PARAMETERS,
COFACTOR_OPTION > 		Domain

Public Member Functions

 MQV_Domain (const GroupParameters &params)
 MQV_Domain (BufferedTransformation &bt)
template<class T1, class T2>  MQV_Domain (T1 v1, T2 v2)
template<class T1, class T2, class T3>  MQV_Domain (T1 v1, T2 v2, T3 v3)
template<class T1, class T2, class T3, class T4>  MQV_Domain (T1 v1, T2 v2, T3 v3, T4 v4)
const GroupParameters & GetGroupParameters () const
GroupParameters & AccessGroupParameters ()
CryptoParameters & AccessCryptoParameters ()
unsigned int AgreedValueLength () const
 return length of agreed value produced
unsigned int StaticPrivateKeyLength () const
 return length of static private keys in this domain
unsigned int StaticPublicKeyLength () const
 return length of static public keys in this domain
void GenerateStaticPrivateKey (RandomNumberGenerator &rng, byte *privateKey) const
 generate static private key
void GenerateStaticPublicKey (RandomNumberGenerator &rng, const byte *privateKey, byte *publicKey) const
 generate static public key
unsigned int EphemeralPrivateKeyLength () const
 return length of ephemeral private keys in this domain
unsigned int EphemeralPublicKeyLength () const
 return length of ephemeral public keys in this domain
void GenerateEphemeralPrivateKey (RandomNumberGenerator &rng, byte *privateKey) const
 generate ephemeral private key
void GenerateEphemeralPublicKey (RandomNumberGenerator &rng, const byte *privateKey, byte *publicKey) const
 generate ephemeral public key
bool Agree (byte *agreedValue, const byte *staticPrivateKey, const byte *ephemeralPrivateKey, const byte *staticOtherPublicKey, const byte *ephemeralOtherPublicKey, bool validateStaticOtherPublicKey=true) const
 derive agreed value from your private keys and couterparty's public keys, return false in case of failure
virtual void GenerateStaticKeyPair (RandomNumberGenerator &rng, byte *privateKey, byte *publicKey) const
 generate private/public key pair
virtual void GenerateEphemeralKeyPair (RandomNumberGenerator &rng, byte *privateKey, byte *publicKey) const
 generate private/public key pair
CryptoMaterial & AccessMaterial ()
 returns a reference to the crypto material used by this object
const CryptoMaterial & GetMaterial () const
 returns a const reference to the crypto material used by this object
virtual const CryptoParameters & GetCryptoParameters () const
void BERDecode (BufferedTransformation &bt)
 for backwards compatibility, calls AccessMaterial().Load(bt)
void DEREncode (BufferedTransformation &bt) const
 for backwards compatibility, calls GetMaterial().Save(bt)
virtual std::string AlgorithmName () const
 returns name of this algorithm, not universally implemented yet
virtual Clonable * Clone () const
 this is not implemented by most classes yet

Member Function Documentation

template<class GROUP_PARAMETERS, class COFACTOR_OPTION = typename GROUP_PARAMETERS::DefaultCofactorOption>
void MQV_Domain< GROUP_PARAMETERS, COFACTOR_OPTION >::GenerateStaticPrivateKey (  RandomNumberGenerator &  rng,
byte *  privateKey
)  const [inline, virtual]
 

generate static private key

Precondition:
size of privateKey == PrivateStaticKeyLength()

Implements AuthenticatedKeyAgreementDomain.

Definition at line 49 of file mqv.h.

template<class GROUP_PARAMETERS, class COFACTOR_OPTION = typename GROUP_PARAMETERS::DefaultCofactorOption>
void MQV_Domain< GROUP_PARAMETERS, COFACTOR_OPTION >::GenerateStaticPublicKey (  RandomNumberGenerator &  rng,
const byte *  privateKey,
byte *  publicKey
)  const [inline, virtual]
 

generate static public key

Precondition:
size of publicKey == PublicStaticKeyLength()

Implements AuthenticatedKeyAgreementDomain.

Definition at line 55 of file mqv.h.

References DL_GroupParameters< T >::EncodeElement(), and DL_GroupParameters< T >::ExponentiateBase().

template<class GROUP_PARAMETERS, class COFACTOR_OPTION = typename GROUP_PARAMETERS::DefaultCofactorOption>
void MQV_Domain< GROUP_PARAMETERS, COFACTOR_OPTION >::GenerateEphemeralPrivateKey (  RandomNumberGenerator &  rng,
byte *  privateKey
)  const [inline, virtual]
 

generate ephemeral private key

Precondition:
size of privateKey == PrivateEphemeralKeyLength()

Implements AuthenticatedKeyAgreementDomain.

Definition at line 66 of file mqv.h.

References DL_GroupParameters< T >::EncodeElement(), DL_GroupParameters< T >::ExponentiateBase(), and DL_GroupParameters< T >::GetMaxExponent().

template<class GROUP_PARAMETERS, class COFACTOR_OPTION = typename GROUP_PARAMETERS::DefaultCofactorOption>
void MQV_Domain< GROUP_PARAMETERS, COFACTOR_OPTION >::GenerateEphemeralPublicKey (  RandomNumberGenerator &  rng,
const byte *  privateKey,
byte *  publicKey
)  const [inline, virtual]
 

generate ephemeral public key

Precondition:
size of publicKey == PublicEphemeralKeyLength()

Implements AuthenticatedKeyAgreementDomain.

Definition at line 75 of file mqv.h.

template<class GROUP_PARAMETERS, class COFACTOR_OPTION = typename GROUP_PARAMETERS::DefaultCofactorOption>
bool MQV_Domain< GROUP_PARAMETERS, COFACTOR_OPTION >::Agree (  byte *  agreedValue,
const byte *  staticPrivateKey,
const byte *  ephemeralPrivateKey,
const byte *  staticOtherPublicKey,
const byte *  ephemeralOtherPublicKey,
bool  validateStaticOtherPublicKey = true
)  const [inline, virtual]
 

derive agreed value from your private keys and couterparty's public keys, return false in case of failure

Note:
The ephemeral public key will always be validated. If you have previously validated the static public key, use validateStaticOtherPublicKey=false to save time.
Precondition:
size of agreedValue == AgreedValueLength()

length of staticPrivateKey == StaticPrivateKeyLength()

length of ephemeralPrivateKey == EphemeralPrivateKeyLength()

length of staticOtherPublicKey == StaticPublicKeyLength()

length of ephemeralOtherPublicKey == EphemeralPublicKeyLength()

Implements AuthenticatedKeyAgreementDomain.

Definition at line 80 of file mqv.h.

References Integer::BitCount(), DL_GroupParameters< T >::ConvertElementToInteger(), DL_GroupParameters< T >::DecodeElement(), DL_GroupParameters< T >::EncodeElement(), DL_GroupParameters< T >::ExponentiateElement(), DL_GroupParameters< T >::GetCofactor(), DL_GroupParameters< T >::GetSubgroupOrder(), DL_GroupParameters< T >::IsIdentity(), Integer::Power2(), and DL_GroupParameters< T >::SimultaneousExponentiate().

void AuthenticatedKeyAgreementDomain::GenerateStaticKeyPair (  RandomNumberGenerator &  rng,
byte *  privateKey,
byte *  publicKey
)  const [virtual, inherited]
 

generate private/public key pair

Note:
equivalent to calling GenerateStaticPrivateKey() and then GenerateStaticPublicKey()

Reimplemented in DH2.

Definition at line 673 of file cryptlib.cpp.

References AuthenticatedKeyAgreementDomain::GenerateStaticPrivateKey(), and AuthenticatedKeyAgreementDomain::GenerateStaticPublicKey().

void AuthenticatedKeyAgreementDomain::GenerateEphemeralKeyPair (  RandomNumberGenerator &  rng,
byte *  privateKey,
byte *  publicKey
)  const [virtual, inherited]
 

generate private/public key pair

Note:
equivalent to calling GenerateEphemeralPrivateKey() and then GenerateEphemeralPublicKey()

Reimplemented in DH2.

Definition at line 679 of file cryptlib.cpp.

References AuthenticatedKeyAgreementDomain::GenerateEphemeralPrivateKey(), and AuthenticatedKeyAgreementDomain::GenerateEphemeralPublicKey().

The documentation for this class was generated from the following file:
Generated on Wed Jul 21 19:15:58 2004 for Crypto++ by doxygen 1.3.7-20040704