Crypto++
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interface for public-key encryptors and decryptors More...
#include <cryptlib.h>
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 1191 of file cryptlib.h.
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pure virtual |
maximum length of plaintext for a given ciphertext length
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pure virtual |
calculate length of ciphertext given length of plaintext
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pure virtual |
this object supports the use of the parameter with the given name
some possible parameter names: EncodingParameters, KeyDerivationParameters
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inlinevirtual |
return fixed ciphertext length, if one exists, otherwise return 0
Definition at line 1211 of file cryptlib.h.
Referenced by PK_Decryptor::FixedLengthDecrypt().