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virtual PK_MessageAccumulator * | NewSignatureAccumulator (RandomNumberGenerator &rng) const =0 |
| create a new HashTransformation to accumulate the message to be signed
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virtual void | InputRecoverableMessage (PK_MessageAccumulator &messageAccumulator, const byte *recoverableMessage, size_t recoverableMessageLength) const =0 |
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virtual size_t | Sign (RandomNumberGenerator &rng, PK_MessageAccumulator *messageAccumulator, byte *signature) const |
| sign and delete messageAccumulator (even in case of exception thrown) More...
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virtual size_t | SignAndRestart (RandomNumberGenerator &rng, PK_MessageAccumulator &messageAccumulator, byte *signature, bool restart=true) const =0 |
| sign and restart messageAccumulator More...
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virtual size_t | SignMessage (RandomNumberGenerator &rng, const byte *message, size_t messageLen, byte *signature) const |
| sign a message More...
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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...
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virtual size_t | SignatureLength () const =0 |
| signature length if it only depends on the key, otherwise 0
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virtual size_t | MaxSignatureLength (size_t recoverablePartLength=0) const |
| maximum signature length produced for a given length of recoverable message part
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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
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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
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virtual bool | IsProbabilistic () const =0 |
| requires a random number generator to sign More...
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virtual bool | AllowNonrecoverablePart () const =0 |
| whether or not a non-recoverable message part can be signed
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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 */
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virtual bool | RecoverablePartFirst () const =0 |
| whether you must input the recoverable part before the non-recoverable part during signing
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CryptoMaterial & | AccessMaterial () |
| returns a reference to the crypto material used by this object
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const CryptoMaterial & | GetMaterial () const |
| returns a const reference to the crypto material used by this object
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virtual PrivateKey & | AccessPrivateKey ()=0 |
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virtual const PrivateKey & | GetPrivateKey () const |
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void | BERDecode (BufferedTransformation &bt) |
| for backwards compatibility, calls AccessMaterial().Load(bt)
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void | DEREncode (BufferedTransformation &bt) const |
| for backwards compatibility, calls GetMaterial().Save(bt)
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virtual std::string | AlgorithmName () const |
| returns name of this algorithm, not universally implemented yet
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virtual Clonable * | Clone () const |
| this is not implemented by most classes yet
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interface for public-key signers
Definition at line 1346 of file cryptlib.h.