Crypto++  5.6.3
Free C++ class library of cryptographic schemes
Public Types | Public Member Functions | Static Public Member Functions | List of all members
DL_SignerImpl< SCHEME_OPTIONS > Class Template Reference

_ More...

+ Inheritance diagram for DL_SignerImpl< SCHEME_OPTIONS >:

Public Types

typedef SCHEME_OPTIONS::PrivateKey::Element Element
 
typedef SCHEME_OPTIONS SchemeOptions
 

Public Member Functions

PK_MessageAccumulatorNewSignatureAccumulator (RandomNumberGenerator &rng) const
 create a new HashTransformation to accumulate the message to be signed
 
PrivateKeyAccessPrivateKey ()
 
PublicKeyAccessPublicKey ()
 
const SCHEME_OPTIONS::PrivateKey & GetKey () const
 
SCHEME_OPTIONS::PrivateKey & AccessKey ()
 
std::string AlgorithmName () const
 
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
 sign and restart messageAccumulator More...
 
size_t SignatureLength () const
 
size_t MaxRecoverableLength () const
 
size_t MaxRecoverableLengthFromSignatureLength (size_t signatureLength) const
 
bool IsProbabilistic () const
 
bool AllowNonrecoverablePart () const
 
bool RecoverablePartFirst () const
 
virtual size_t Sign (RandomNumberGenerator &rng, PK_MessageAccumulator *messageAccumulator, byte *signature) const
 sign and delete messageAccumulator (even in case of exception thrown) More...
 
virtual size_t SignMessage (RandomNumberGenerator &rng, const byte *message, size_t messageLen, byte *signature) const
 sign a message More...
 
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 More...
 
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 */
 
CryptoMaterialAccessMaterial ()
 returns a reference to the crypto material used by this object
 
const CryptoMaterialGetMaterial () const
 returns a const reference to the crypto material used by this object
 
virtual const PrivateKeyGetPrivateKey () 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 ClonableClone () const
 Copies this object. More...
 

Static Public Member Functions

static std::string StaticAlgorithmName ()
 

Detailed Description

template<class SCHEME_OPTIONS>
class DL_SignerImpl< SCHEME_OPTIONS >

_

Definition at line 1611 of file pubkey.h.

Member Function Documentation

size_t DL_SignerBase< SCHEME_OPTIONS::Element >::SignAndRestart ( RandomNumberGenerator rng,
PK_MessageAccumulator messageAccumulator,
byte *  signature,
bool  restart 
) const
inlinevirtualinherited

sign and restart messageAccumulator

Precondition
size of signature == MaxSignatureLength()
Returns
actual signature length

Implements PK_Signer.

Definition at line 1260 of file pubkey.h.

References RandomNumberGenerator::CanIncorporateEntropy(), RandomNumberGenerator::IncorporateEntropy(), and SecBlock< T, A >::size().

size_t PK_Signer::Sign ( RandomNumberGenerator rng,
PK_MessageAccumulator messageAccumulator,
byte *  signature 
) const
virtualinherited

sign and delete messageAccumulator (even in case of exception thrown)

Precondition
size of signature == MaxSignatureLength()
Returns
actual signature length

Definition at line 869 of file cryptlib.cpp.

size_t PK_Signer::SignMessage ( RandomNumberGenerator rng,
const byte *  message,
size_t  messageLen,
byte *  signature 
) const
virtualinherited

sign a message

Precondition
size of signature == MaxSignatureLength()
Returns
actual signature length

Definition at line 875 of file cryptlib.cpp.

References HashTransformation::Update().

Referenced by FixedRNG::GenerateBlock().

size_t PK_Signer::SignMessageWithRecovery ( RandomNumberGenerator rng,
const byte *  recoverableMessage,
size_t  recoverableMessageLength,
const byte *  nonrecoverableMessage,
size_t  nonrecoverableMessageLength,
byte *  signature 
) const
virtualinherited

sign a recoverable message

Precondition
size of signature == MaxSignatureLength(recoverableMessageLength)
Returns
actual signature length

Definition at line 882 of file cryptlib.cpp.

References HashTransformation::Update().

Referenced by FixedRNG::GenerateBlock().

virtual Clonable* Clonable::Clone ( ) const
inlinevirtualinherited

Copies this object.

Returns
a copy of this object
Exceptions
NotImplemented
Note
this is not implemented by most classes
See also
NotCopyable

Definition at line 464 of file cryptlib.h.


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