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#include <pubkey.h>
Public Types | |
typedef T | Element |
Public Member Functions | |
DecodingResult | Decrypt (RandomNumberGenerator &rng, const byte *ciphertext, size_t ciphertextLength, byte *plaintext, const NameValuePairs ¶meters=g_nullNameValuePairs) const |
size_t | MaxPlaintextLength (size_t ciphertextLength) const |
virtual size_t | MaxPlaintextLength (size_t ciphertextLength) const =0 |
maximum length of plaintext for a given ciphertext length | |
size_t | CiphertextLength (size_t plaintextLength) const |
virtual size_t | CiphertextLength (size_t plaintextLength) const =0 |
calculate length of ciphertext given length of plaintext | |
bool | ParameterSupported (const char *name) const |
virtual bool | ParameterSupported (const char *name) const =0 |
this object supports the use of the parameter with the given name | |
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 | |
virtual BufferedTransformation * | CreateDecryptionFilter (RandomNumberGenerator &rng, BufferedTransformation *attachment=NULL, const NameValuePairs ¶meters=g_nullNameValuePairs) const |
create a new decryption filter | |
DecodingResult | FixedLengthDecrypt (RandomNumberGenerator &rng, const byte *ciphertext, byte *plaintext, const NameValuePairs ¶meters=g_nullNameValuePairs) const |
decrypt a fixed size ciphertext | |
virtual size_t | FixedCiphertextLength () const |
return fixed ciphertext length, if one exists, otherwise return 0 | |
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 | |
Protected Types | |
typedef DL_PrivateKey< T > | KeyInterface |
Protected Member Functions | |
virtual const DL_KeyAgreementAlgorithm < Element > & | GetKeyAgreementAlgorithm () const =0 |
virtual const DL_KeyDerivationAlgorithm < Element > & | GetKeyDerivationAlgorithm () const =0 |
virtual const DL_SymmetricEncryptionAlgorithm & | GetSymmetricEncryptionAlgorithm () const =0 |
const DL_GroupParameters < Element > & | GetAbstractGroupParameters () const |
DL_GroupParameters< Element > & | AccessAbstractGroupParameters () |
virtual KeyInterface & | AccessKeyInterface ()=0 |
virtual const KeyInterface & | GetKeyInterface () const =0 |
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Definition at line 1179 of file pubkey.h.
virtual size_t PK_CryptoSystem::MaxPlaintextLength | ( | size_t | ciphertextLength | ) | const [pure virtual, inherited] |
maximum length of plaintext for a given ciphertext length
virtual size_t PK_CryptoSystem::CiphertextLength | ( | size_t | plaintextLength | ) | const [pure virtual, inherited] |
calculate length of ciphertext given length of plaintext
virtual bool PK_CryptoSystem::ParameterSupported | ( | const char * | name | ) | const [pure virtual, inherited] |
this object supports the use of the parameter with the given name
some possible parameter names: EncodingParameters, KeyDerivationParameters
virtual DecodingResult PK_Decryptor::Decrypt | ( | RandomNumberGenerator & | rng, | |
const byte * | ciphertext, | |||
size_t | ciphertextLength, | |||
byte * | plaintext, | |||
const NameValuePairs & | parameters = g_nullNameValuePairs | |||
) | const [pure virtual, inherited] |
decrypt a byte string, and return the length of plaintext
BufferedTransformation * PK_Decryptor::CreateDecryptionFilter | ( | RandomNumberGenerator & | rng, | |
BufferedTransformation * | attachment = NULL , |
|||
const NameValuePairs & | parameters = g_nullNameValuePairs | |||
) | const [virtual, inherited] |
create a new decryption filter
Definition at line 751 of file cryptlib.cpp.
virtual size_t PK_CryptoSystem::FixedCiphertextLength | ( | ) | const [inline, virtual, inherited] |
return fixed ciphertext length, if one exists, otherwise return 0
Definition at line 1212 of file cryptlib.h.
Referenced by PK_Decryptor::FixedLengthDecrypt().