#include <pubkey.h>
Inheritance diagram for TF_DecryptorImpl< SCHEME_OPTIONS >:
Definition at line 451 of file pubkey.h.
Public Types | |
typedef SCHEME_OPTIONS::PrivateKey | KeyClass |
typedef SCHEME_OPTIONS | SchemeOptions |
Public Member Functions | |
const KeyClass & | GetKey () const |
KeyClass & | AccessKey () |
PublicKey & | AccessPublicKey () |
const PublicKey & | GetPublicKey () const |
PrivateKey & | AccessPrivateKey () |
const PrivateKey & | GetPrivateKey () const |
const KeyClass & | GetTrapdoorFunction () const |
PK_MessageAccumulator * | NewSignatureAccumulator (RandomNumberGenerator &rng) const |
PK_MessageAccumulator * | NewVerificationAccumulator () const |
std::string | AlgorithmName () const |
returns name of this algorithm, not universally implemented yet | |
DecodingResult | Decrypt (RandomNumberGenerator &rng, const byte *ciphertext, size_t ciphertextLength, byte *plaintext, const NameValuePairs ¶meters=g_nullNameValuePairs) const |
decrypt a byte string, and return the length of plaintext | |
bool | ParameterSupported (const char *name) const |
this object supports the use of the parameter with the given name | |
size_t | FixedMaxPlaintextLength () const |
return maximum plaintext length given the fixed ciphertext length, if one exists, otherwise return 0 | |
size_t | FixedCiphertextLength () const |
return fixed ciphertext length, if one exists, otherwise return 0 | |
size_t | MaxPlaintextLength (size_t ciphertextLength) const |
maximum length of plaintext for a given ciphertext length | |
size_t | CiphertextLength (size_t plaintextLength) const |
calculate length of ciphertext given 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 | |
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 | |
void | BERDecode (BufferedTransformation &bt) |
for backwards compatibility, calls AccessMaterial().Load(bt) | |
void | DEREncode (BufferedTransformation &bt) const |
for backwards compatibility, calls GetMaterial().Save(bt) | |
virtual Clonable * | Clone () const |
this is not implemented by most classes yet | |
Static Public Member Functions | |
static std::string __cdecl | StaticAlgorithmName () |
Protected Types | |
typedef TrapdoorFunctionInverse | TrapdoorFunctionInterface |
typedef PK_EncryptionMessageEncodingMethod | MessageEncodingInterface |
Protected Member Functions | |
const TF_DecryptorBase::MessageEncodingInterface & | GetMessageEncodingInterface () const |
const TrapdoorFunctionBounds & | GetTrapdoorFunctionBounds () const |
const TF_DecryptorBase::TrapdoorFunctionInterface & | GetTrapdoorFunctionInterface () const |
HashIdentifier | GetHashIdentifier () const |
size_t | GetDigestSize () const |
size_t | PaddedBlockByteLength () const |
size_t | PaddedBlockBitLength () const |
DecodingResult TF_DecryptorBase::Decrypt | ( | RandomNumberGenerator & | rng, | |
const byte * | ciphertext, | |||
size_t | ciphertextLength, | |||
byte * | plaintext, | |||
const NameValuePairs & | parameters = g_nullNameValuePairs | |||
) | const [virtual, inherited] |
decrypt a byte string, and return the length of plaintext
Implements PK_Decryptor.
Definition at line 135 of file pubkey.cpp.
References Integer::ByteCount(), TrapdoorFunctionInverse::CalculateInverse(), Integer::Encode(), TF_CryptoSystemBase< PK_Decryptor, TF_Base< TrapdoorFunctionInverse, PK_EncryptionMessageEncodingMethod > >::FixedCiphertextLength(), TF_CryptoSystemBase< PK_Decryptor, TF_Base< TrapdoorFunctionInverse, PK_EncryptionMessageEncodingMethod > >::PaddedBlockBitLength(), TF_CryptoSystemBase< PK_Decryptor, TF_Base< TrapdoorFunctionInverse, PK_EncryptionMessageEncodingMethod > >::PaddedBlockByteLength(), SecBlock< T, A >::size(), PK_EncryptionMessageEncodingMethod::Unpad(), and Integer::Zero().
bool TF_CryptoSystemBase< PK_Decryptor , TF_Base< TrapdoorFunctionInverse, PK_EncryptionMessageEncodingMethod > >::ParameterSupported | ( | const char * | name | ) | const [inline, virtual, inherited] |
size_t TF_CryptoSystemBase< PK_Decryptor , TF_Base< TrapdoorFunctionInverse, PK_EncryptionMessageEncodingMethod > >::FixedCiphertextLength | ( | ) | const [inline, virtual, inherited] |
Implements PK_FixedLengthCryptoSystemImpl< PK_Decryptor >.
Definition at line 158 of file pubkey.h.
Referenced by TF_DecryptorBase::Decrypt().
size_t PK_FixedLengthCryptoSystemImpl< PK_Decryptor >::MaxPlaintextLength | ( | size_t | ciphertextLength | ) | const [inline, virtual, inherited] |
size_t PK_FixedLengthCryptoSystemImpl< PK_Decryptor >::CiphertextLength | ( | size_t | plaintextLength | ) | const [inline, virtual, inherited] |
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 644 of file cryptlib.cpp.