public class BcPBEDataDecryptorFactory extends PBEDataDecryptorFactory
PBEDataDecryptorFactory
for handling PBE decryption operations using the Bouncy Castle
lightweight API to implement cryptographic primitives.Constructor and Description |
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BcPBEDataDecryptorFactory(char[] pass,
BcPGPDigestCalculatorProvider calculatorProvider)
Base constructor.
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Modifier and Type | Method and Description |
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PGPDataDecryptor |
createDataDecryptor(boolean withIntegrityPacket,
int encAlgorithm,
byte[] key)
Constructs a data decryptor.
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byte[] |
recoverSessionData(int keyAlgorithm,
byte[] key,
byte[] secKeyData)
Decrypts session data from an encrypted data packet.
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makeKeyFromPassPhrase
public BcPBEDataDecryptorFactory(char[] pass, BcPGPDigestCalculatorProvider calculatorProvider)
pass
- the passphrase to use as the primary source of key material.calculatorProvider
- a digest calculator provider to provide calculators to support the key generation calculation required.public byte[] recoverSessionData(int keyAlgorithm, byte[] key, byte[] secKeyData) throws PGPException
PBEDataDecryptorFactory
recoverSessionData
in class PBEDataDecryptorFactory
keyAlgorithm
- the encryption algorithm
used to
encrypt the session data.key
- the key bytes for the encryption algorithm.secKeyData
- the encrypted session data to decrypt.PGPException
- if an error occurs decrypting the session data.public PGPDataDecryptor createDataDecryptor(boolean withIntegrityPacket, int encAlgorithm, byte[] key) throws PGPException
PGPDataDecryptorFactory
withIntegrityPacket
- true
if the packet to be decrypted has integrity
checking enabled.encAlgorithm
- the identifier of the encryption
algorithm
to decrypt with.key
- the bytes of the key for the cipher.PGPException
- if an error occurs initialising the decryption and integrity checking
functions.