Crypto++
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interface for public-key encryptors More...
#include <cryptlib.h>
Classes | |
class | InvalidPlaintextLength |
exception thrown when trying to encrypt plaintext of invalid length More... | |
Public Member Functions | |
virtual void | Encrypt (RandomNumberGenerator &rng, const byte *plaintext, size_t plaintextLength, byte *ciphertext, const NameValuePairs ¶meters=g_nullNameValuePairs) const =0 |
encrypt a byte string More... | |
virtual BufferedTransformation * | CreateEncryptionFilter (RandomNumberGenerator &rng, BufferedTransformation *attachment=NULL, const NameValuePairs ¶meters=g_nullNameValuePairs) const |
create a new encryption filter More... | |
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 | |
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 PublicKey & | AccessPublicKey ()=0 |
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 std::string | AlgorithmName () const |
returns name of this algorithm, not universally implemented yet | |
virtual Clonable * | Clone () const |
this is not implemented by most classes yet | |
interface for public-key encryptors
Definition at line 1223 of file cryptlib.h.
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pure virtual |
encrypt a byte string
Implemented in DL_EncryptorBase< T >, DL_EncryptorBase< SCHEME_OPTIONS::Element >, and TF_EncryptorBase.
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virtual |
create a new encryption filter
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pure virtualinherited |
maximum length of plaintext for a given ciphertext length
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pure virtualinherited |
calculate length of ciphertext given length of plaintext
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pure virtualinherited |
this object supports the use of the parameter with the given name
some possible parameter names: EncodingParameters, KeyDerivationParameters
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inlinevirtualinherited |
return fixed ciphertext length, if one exists, otherwise return 0
Definition at line 1211 of file cryptlib.h.
Referenced by PK_Decryptor::FixedLengthDecrypt().