Crypto++
5.6.3
Free C++ class library of cryptographic schemes
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Public Types | |
typedef SCHEME_OPTIONS::PublicKey::Element | Element |
typedef SCHEME_OPTIONS | SchemeOptions |
Public Member Functions | |
PK_MessageAccumulator * | NewVerificationAccumulator () const |
create a new HashTransformation to accumulate the message to be verified | |
PrivateKey & | AccessPrivateKey () |
PublicKey & | AccessPublicKey () |
const SCHEME_OPTIONS::PublicKey & | GetKey () const |
SCHEME_OPTIONS::PublicKey & | AccessKey () |
std::string | AlgorithmName () const |
void | InputSignature (PK_MessageAccumulator &messageAccumulator, const byte *signature, size_t 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 &messageAccumulator) const |
recover a message from its signature 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 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, size_t messageLen, const byte *signature, size_t 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 More... | |
virtual DecodingResult | RecoverMessage (byte *recoveredMessage, const byte *nonrecoverableMessage, size_t nonrecoverableMessageLength, const byte *signature, size_t signatureLength) const |
recover a message from its signature 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 */ | |
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 PublicKey & | GetPublicKey () 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 Clonable * | Clone () const |
Copies this object. More... | |
Static Public Member Functions | |
static std::string | StaticAlgorithmName () |
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inlinevirtualinherited |
recover a message from its signature
Implements PK_Verifier.
Definition at line 1367 of file pubkey.h.
References Integer::Encode(), SecBlock< T, A >::New(), NullRNG(), and SecBlock< T, A >::size().
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virtualinherited |
recover a message from its signature
Definition at line 905 of file cryptlib.cpp.
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virtualinherited |
recover a message from its signature
Definition at line 911 of file cryptlib.cpp.
References HashTransformation::Update().
Referenced by FixedRNG::GenerateBlock().
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inlinevirtualinherited |
Copies this object.
NotImplemented |
Definition at line 464 of file cryptlib.h.