Crypto++
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interface for public-key decryptors More...
#include <cryptlib.h>
Public Member Functions | |
virtual DecodingResult | Decrypt (RandomNumberGenerator &rng, const byte *ciphertext, size_t ciphertextLength, byte *plaintext, const NameValuePairs ¶meters=g_nullNameValuePairs) const =0 |
decrypt a byte string, and return the length of plaintext More... | |
virtual BufferedTransformation * | CreateDecryptionFilter (RandomNumberGenerator &rng, BufferedTransformation *attachment=NULL, const NameValuePairs ¶meters=g_nullNameValuePairs) const |
create a new decryption filter More... | |
DecodingResult | FixedLengthDecrypt (RandomNumberGenerator &rng, const byte *ciphertext, byte *plaintext, const NameValuePairs ¶meters=g_nullNameValuePairs) const |
decrypt a fixed size ciphertext | |
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 PrivateKey & | AccessPrivateKey ()=0 |
virtual const PrivateKey & | GetPrivateKey () 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 decryptors
Definition at line 1251 of file cryptlib.h.
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pure virtual |
decrypt a byte string, and return the length of plaintext
Implemented in DL_DecryptorBase< T >, DL_DecryptorBase< SCHEME_OPTIONS::Element >, and TF_DecryptorBase.
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virtual |
create a new decryption 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 FixedLengthDecrypt().