#include <cryptlib.h>
Inheritance diagram for PK_Decryptor:

Definition at line 1169 of file cryptlib.h.
Public Member Functions | |
| virtual DecodingResult | Decrypt (RandomNumberGenerator &rng, const byte *ciphertext, unsigned int 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 unsigned int | MaxPlaintextLength (unsigned int ciphertextLength) const =0 |
| maximum length of plaintext for a given ciphertext length | |
| virtual unsigned int | CiphertextLength (unsigned int plaintextLength) const =0 |
| calculate length of ciphertext given length of plaintext | |
| virtual bool | ParameterSupported (const char *name) const =0 |
| this object supports the use of the parameter with the given name | |
| virtual unsigned int | FixedCiphertextLength () const |
| return fixed ciphertext length, if one exists, otherwise return 0 | |
| virtual unsigned int | 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 | |
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decrypt a byte string, and return the length of plaintext
Implemented in TF_DecryptorBase, DL_DecryptorBase< T >, and DL_DecryptorBase< SCHEME_OPTIONS::Element >. Referenced by PK_DefaultDecryptionFilter::Put2(). |
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create a new decryption filter
Definition at line 610 of file cryptlib.cpp. |
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maximum length of plaintext for a given ciphertext length
Implemented in PK_FixedLengthCryptoSystemImpl< PK_Encryptor >, PK_FixedLengthCryptoSystemImpl< PK_Decryptor >, DL_CryptoSystemBase< PK_Decryptor, DL_PrivateKey< SCHEME_OPTIONS::Element > >, DL_CryptoSystemBase< PK_Decryptor, DL_PrivateKey< T > >, DL_CryptoSystemBase< PK_Encryptor, DL_PublicKey< SCHEME_OPTIONS::Element > >, and DL_CryptoSystemBase< PK_Encryptor, DL_PublicKey< T > >. Referenced by PK_DefaultDecryptionFilter::Put2(). |
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calculate length of ciphertext given length of plaintext
Implemented in PK_FixedLengthCryptoSystemImpl< PK_Encryptor >, PK_FixedLengthCryptoSystemImpl< PK_Decryptor >, DL_CryptoSystemBase< PK_Decryptor, DL_PrivateKey< SCHEME_OPTIONS::Element > >, DL_CryptoSystemBase< PK_Decryptor, DL_PrivateKey< T > >, DL_CryptoSystemBase< PK_Encryptor, DL_PublicKey< SCHEME_OPTIONS::Element > >, and DL_CryptoSystemBase< PK_Encryptor, DL_PublicKey< T > >. Referenced by PK_DefaultEncryptionFilter::Put2(). |
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this object supports the use of the parameter with the given name some possible parameter names: EncodingParameters, KeyDerivationParameters Implemented in TF_CryptoSystemBase< PK_Decryptor, TF_Base< TrapdoorFunctionInverse, PK_EncryptionMessageEncodingMethod > >, TF_CryptoSystemBase< PK_Encryptor, TF_Base< RandomizedTrapdoorFunction, PK_EncryptionMessageEncodingMethod > >, DL_CryptoSystemBase< PK_Decryptor, DL_PrivateKey< SCHEME_OPTIONS::Element > >, DL_CryptoSystemBase< PK_Decryptor, DL_PrivateKey< T > >, DL_CryptoSystemBase< PK_Encryptor, DL_PublicKey< SCHEME_OPTIONS::Element > >, and DL_CryptoSystemBase< PK_Encryptor, DL_PublicKey< T > >. |
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return fixed ciphertext length, if one exists, otherwise return 0
Reimplemented in TF_CryptoSystemBase< PK_Decryptor, TF_Base< TrapdoorFunctionInverse, PK_EncryptionMessageEncodingMethod > >, and TF_CryptoSystemBase< PK_Encryptor, TF_Base< RandomizedTrapdoorFunction, PK_EncryptionMessageEncodingMethod > >. Definition at line 1129 of file cryptlib.h. Referenced by FixedLengthDecrypt(). |
1.4.4