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#include <pubkey.h>
Inheritance diagram for DL_SignerBase< T >:
Public Member Functions | |
| void | RawSign (const Integer &k, const Integer &e, Integer &r, Integer &s) const |
| void | InputRecoverableMessage (PK_MessageAccumulator &messageAccumulator, const byte *recoverableMessage, size_t recoverableMessageLength) const |
| size_t | SignAndRestart (RandomNumberGenerator &rng, PK_MessageAccumulator &messageAccumulator, byte *signature, bool restart) const |
| size_t | SignatureLength () const |
| virtual size_t | SignatureLength () const =0 |
| signature length if it only depends on the key, otherwise 0 | |
| size_t | MaxRecoverableLength () const |
| virtual size_t | MaxRecoverableLength () const =0 |
| length of longest message that can be recovered, or 0 if this signature scheme does not support message recovery | |
| size_t | MaxRecoverableLengthFromSignatureLength (size_t signatureLength) const |
| virtual size_t | MaxRecoverableLengthFromSignatureLength (size_t signatureLength) const =0 |
| length of longest message that can be recovered from a signature of given length, or 0 if this signature scheme does not support message recovery | |
| bool | IsProbabilistic () const |
| virtual bool | IsProbabilistic () const =0 |
| requires a random number generator to sign | |
| bool | AllowNonrecoverablePart () const |
| virtual bool | AllowNonrecoverablePart () const =0 |
| whether or not a non-recoverable message part can be signed | |
| bool | RecoverablePartFirst () const |
| virtual bool | RecoverablePartFirst () const =0 |
| whether you must input the recoverable part before the non-recoverable part during signing | |
| virtual PK_MessageAccumulator * | NewSignatureAccumulator (RandomNumberGenerator &rng) const =0 |
| create a new HashTransformation to accumulate the message to be signed | |
| virtual void | InputRecoverableMessage (PK_MessageAccumulator &messageAccumulator, const byte *recoverableMessage, size_t recoverableMessageLength) const =0 |
| virtual size_t | Sign (RandomNumberGenerator &rng, PK_MessageAccumulator *messageAccumulator, byte *signature) const |
| sign and delete messageAccumulator (even in case of exception thrown) | |
| virtual size_t | SignAndRestart (RandomNumberGenerator &rng, PK_MessageAccumulator &messageAccumulator, byte *signature, bool restart=true) const =0 |
| sign and restart messageAccumulator | |
| virtual size_t | SignMessage (RandomNumberGenerator &rng, const byte *message, size_t messageLen, byte *signature) const |
| sign a message | |
| virtual size_t | SignMessageWithRecovery (RandomNumberGenerator &rng, const byte *recoverableMessage, size_t recoverableMessageLength, const byte *nonrecoverableMessage, size_t nonrecoverableMessageLength, byte *signature) const |
| sign a recoverable message | |
| virtual size_t | MaxSignatureLength (size_t recoverablePartLength=0) const |
| maximum signature length produced for a given length of recoverable message part | |
| virtual bool | SignatureUpfront () const |
| if this function returns true, during verification you must input the signature before the message, otherwise you can input it at anytime */ | |
| 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 PrivateKey & | AccessPrivateKey ()=0 |
| virtual const PrivateKey & | GetPrivateKey () 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 | |
Protected Types | |
| typedef DL_PrivateKey< T > | KeyInterface |
| typedef DL_PrivateKey< T >::Element | Element |
Protected Member Functions | |
| void | RestartMessageAccumulator (RandomNumberGenerator &rng, PK_MessageAccumulatorBase &ma) const |
| size_t | MessageRepresentativeLength () const |
| size_t | MessageRepresentativeBitLength () const |
|
virtual const DL_ElgamalLikeSignatureAlgorithm < typename DL_PrivateKey< T > ::Element > & | GetSignatureAlgorithm () const =0 |
|
virtual const PK_SignatureMessageEncodingMethod & | GetMessageEncodingInterface () const =0 |
| virtual HashIdentifier | GetHashIdentifier () const =0 |
| virtual size_t | GetDigestSize () const =0 |
|
const DL_GroupParameters < Element > & | GetAbstractGroupParameters () const |
| DL_GroupParameters< Element > & | AccessAbstractGroupParameters () |
| virtual KeyInterface & | AccessKeyInterface ()=0 |
| virtual const KeyInterface & | GetKeyInterface () const =0 |
Detailed Description
template<class T>
class DL_SignerBase< T >
_
Definition at line 994 of file pubkey.h.
Member Function Documentation
| virtual bool PK_SignatureScheme::IsProbabilistic | ( | ) | const [pure virtual, inherited] |
requires a random number generator to sign
if this returns false, NullRNG() can be passed to functions that take RandomNumberGenerator &
| size_t PK_Signer::Sign | ( | RandomNumberGenerator & | rng, | |
| PK_MessageAccumulator * | messageAccumulator, | |||
| byte * | signature | |||
| ) | const [virtual, inherited] |
sign and delete messageAccumulator (even in case of exception thrown)
- Precondition:
- size of signature == MaxSignatureLength()
- Returns:
- actual signature length
Definition at line 756 of file cryptlib.cpp.
References PK_Signer::SignAndRestart().
| virtual size_t PK_Signer::SignAndRestart | ( | RandomNumberGenerator & | rng, | |
| PK_MessageAccumulator & | messageAccumulator, | |||
| byte * | signature, | |||
| bool | restart = true | |||
| ) | const [pure virtual, inherited] |
sign and restart messageAccumulator
- Precondition:
- size of signature == MaxSignatureLength()
- Returns:
- actual signature length
Referenced by PK_Signer::Sign(), PK_Signer::SignMessage(), and PK_Signer::SignMessageWithRecovery().
| size_t PK_Signer::SignMessage | ( | RandomNumberGenerator & | rng, | |
| const byte * | message, | |||
| size_t | messageLen, | |||
| byte * | signature | |||
| ) | const [virtual, inherited] |
sign a message
- Precondition:
- size of signature == MaxSignatureLength()
- Returns:
- actual signature length
Definition at line 762 of file cryptlib.cpp.
References PK_Signer::NewSignatureAccumulator(), and PK_Signer::SignAndRestart().
| size_t PK_Signer::SignMessageWithRecovery | ( | RandomNumberGenerator & | rng, | |
| const byte * | recoverableMessage, | |||
| size_t | recoverableMessageLength, | |||
| const byte * | nonrecoverableMessage, | |||
| size_t | nonrecoverableMessageLength, | |||
| byte * | signature | |||
| ) | const [virtual, inherited] |
sign a recoverable message
- Precondition:
- size of signature == MaxSignatureLength(recoverableMessageLength)
- Returns:
- actual signature length
Definition at line 769 of file cryptlib.cpp.
References PK_Signer::NewSignatureAccumulator(), and PK_Signer::SignAndRestart().
The documentation for this class was generated from the following file:
Generated on Mon Aug 9 2010 15:57:17 for Crypto++ by
1.7.1