Crypto++
5.6.3
Free C++ class library of cryptographic schemes
|
Interface for public-key encryptors and decryptors. More...
Public Member Functions | |
virtual size_t | MaxPlaintextLength (size_t ciphertextLength) const =0 |
maximum length of plaintext for a given ciphertext length More... | |
virtual size_t | CiphertextLength (size_t plaintextLength) const =0 |
calculate length of ciphertext given length of plaintext More... | |
virtual bool | ParameterSupported (const char *name) const =0 |
this object supports the use of the parameter with the given name More... | |
virtual size_t | FixedCiphertextLength () const |
return fixed ciphertext length, if one exists, otherwise return 0 More... | |
virtual size_t | FixedMaxPlaintextLength () const |
return maximum plaintext length given the fixed ciphertext length, if one exists, otherwise return 0 | |
Interface for public-key encryptors and decryptors.
This class provides an interface common to encryptors and decryptors for querying their plaintext and ciphertext lengths.
Definition at line 2130 of file cryptlib.h.
|
pure virtual |
maximum length of plaintext for a given ciphertext length
Referenced by FixedRNG::GenerateBlock().
|
pure virtual |
calculate length of ciphertext given length of plaintext
Referenced by FixedRNG::GenerateBlock().
|
pure virtual |
this object supports the use of the parameter with the given name
some possible parameter names: EncodingParameters, KeyDerivationParameters
|
inlinevirtual |
return fixed ciphertext length, if one exists, otherwise return 0
Definition at line 2150 of file cryptlib.h.