#include <pubkey.h>
Inheritance diagram for TF_VerifierImpl< SCHEME_OPTIONS >:
Definition at line 489 of file pubkey.h.
Public Types | |
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typedef PublicKeyCopier< SCHEME_OPTIONS::Keys >::KeyClass | KeyClass |
| typedef SCHEME_OPTIONS | SchemeOptions |
Public Member Functions | |
| const KeyClass & | GetKey () const |
| KeyClass & | AccessKey () |
| void | CopyKeyInto (typename SCHEME_OPTIONS::PrivateKey &key) const |
| void | CopyKeyInto (typename SCHEME_OPTIONS::PublicKey &key) const |
| virtual void | CopyKeyInto (typename SCHEME_OPTIONS::Keys::PublicKey &key) const=0 |
| PublicKey & | AccessPublicKey () |
| const PublicKey & | GetPublicKey () const |
| PrivateKey & | AccessPrivateKey () |
| const PrivateKey & | GetPrivateKey () const |
| const KeyClass & | GetTrapdoorFunction () const |
| PK_MessageAccumulator * | NewSignatureAccumulator (RandomNumberGenerator &rng) const |
| PK_MessageAccumulator * | NewVerificationAccumulator () const |
| create a new HashTransformation to accumulate the message to be verified | |
| std::string | AlgorithmName () const |
| returns name of this algorithm, not universally implemented yet | |
| void | InputSignature (PK_MessageAccumulator &messageAccumulator, const byte *signature, unsigned int signatureLength) const |
| input signature into a message accumulator | |
| bool | VerifyAndRestart (PK_MessageAccumulator &messageAccumulator) const |
| check whether messageAccumulator contains a valid signature and message, and restart messageAccumulator | |
| DecodingResult | RecoverAndRestart (byte *recoveredMessage, PK_MessageAccumulator &recoveryAccumulator) const |
| recover a message from its signature | |
| unsigned int | SignatureLength () const |
| signature length if it only depends on the key, otherwise 0 | |
| unsigned int | MaxRecoverableLength () const |
| length of longest message that can be recovered, or 0 if this signature scheme does not support message recovery | |
| unsigned int | MaxRecoverableLengthFromSignatureLength (unsigned int signatureLength) const |
| 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 |
| requires a random number generator to sign | |
| bool | AllowNonrecoverablePart () const |
| whether or not a non-recoverable message part can be signed | |
| bool | RecoverablePartFirst () const |
| whether you must input the recoverable part before the non-recoverable part during signing | |
| virtual bool | Verify (PK_MessageAccumulator *messageAccumulator) const |
| check whether messageAccumulator contains a valid signature and message, and delete messageAccumulator (even in case of exception thrown) | |
| virtual bool | VerifyMessage (const byte *message, unsigned int messageLen, const byte *signature, unsigned int signatureLength) const |
| check whether input signature is a valid signature for input message | |
| virtual DecodingResult | Recover (byte *recoveredMessage, PK_MessageAccumulator *messageAccumulator) const |
| recover a message from its signature | |
| virtual DecodingResult | RecoverMessage (byte *recoveredMessage, const byte *nonrecoverableMessage, unsigned int nonrecoverableMessageLength, const byte *signature, unsigned int signatureLength) const |
| recover a message from its signature | |
| virtual unsigned int | MaxSignatureLength (unsigned int 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 | |
| void | BERDecode (BufferedTransformation &bt) |
| for backwards compatibility, calls AccessMaterial().Load(bt) | |
| void | DEREncode (BufferedTransformation &bt) const |
| for backwards compatibility, calls GetMaterial().Save(bt) | |
| virtual Clonable * | Clone () const |
| this is not implemented by most classes yet | |
Static Public Member Functions | |
| std::string | StaticAlgorithmName () |
Protected Types | |
| typedef TrapdoorFunction | TrapdoorFunctionInterface |
| typedef PK_SignatureMessageEncodingMethod | MessageEncodingInterface |
Protected Member Functions | |
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const TwoBases< TF_VerifierBase, PublicKeyCopier< SCHEME_OPTIONS::Keys > >::MessageEncodingInterface & | GetMessageEncodingInterface () const |
| const TrapdoorFunctionBounds & | GetTrapdoorFunctionBounds () const |
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const TwoBases< TF_VerifierBase, PublicKeyCopier< SCHEME_OPTIONS::Keys > >::TrapdoorFunctionInterface & | GetTrapdoorFunctionInterface () const |
| HashIdentifier | GetHashIdentifier () const |
| unsigned int | GetDigestSize () const |
| unsigned int | MessageRepresentativeLength () const |
| unsigned int | MessageRepresentativeBitLength () const |
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recover a message from its signature
Implements PK_Verifier. Definition at line 97 of file pubkey.cpp. |
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Implements PK_SignatureScheme. |
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recover a message from its signature
References PK_Verifier::RecoverAndRestart(). |
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recover a message from its signature
References PK_Verifier::InputSignature(), PK_Verifier::NewVerificationAccumulator(), and PK_Verifier::RecoverAndRestart(). |
1.3.7-20040704