Bouncy Castle Cryptography Library 1.80 · org.bouncycastle.openpgp.operator.bc.BcUtil

Access	Constructor and Description
public	BcUtil()

Method Summary

Modifier and Type	Method and Description
public static PGPDataDecryptor	Returns: decryptor createDataDecryptor(boolean if true, the data is contained in a SEIPD v1 packet, if false it is contained in a SED packet. withIntegrityPacket, BlockCipher decryption engine engine, byte[] decryption key key) Create a new OpenPGP v4 data decryptor.
pack-priv static BufferedBlockCipher	createStreamCipher(boolean forEncryption, BlockCipher engine, boolean withIntegrityPacket, byte[] key)
public static BufferedBlockCipher	createSymmetricKeyWrapper(boolean forEncryption, BlockCipher engine, byte[] key, byte[] iv)
pack-priv static ECPoint	decodePoint(BigInteger encodedPoint, ECCurve curve)
pack-priv static byte[]	getSecret(RawAgreement agreement, AsymmetricKeyParameter privKey, AsymmetricKeyParameter ephPub)
pack-priv static X9ECParameters	getX9Parameters(ASN1ObjectIdentifier curveOID)
pack-priv static boolean	isX25519(ASN1ObjectIdentifier curveID)
pack-priv static byte[]	processBufferedBlockCipher(boolean forEncryption, BlockCipher engine, byte[] key, byte[] iv, byte[] msg, int msgOff, int msgLen)

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

BcUtil	back to summary
public BcUtil()

createDataDecryptor back to summary

createDataDecryptor	back to summary
public static PGPDataDecryptor createDataDecryptor(boolean withIntegrityPacket, BlockCipher engine, byte[] key) Create a new OpenPGP v4 data decryptor. This decryptor can handle Symmetrically Encrypted Data (SED) and v1 Symmetrically Encrypted Integrity-Protected Data (SEIPD) packets. For AEAD packets, see `BcAEADUtil#createOpenPgpV5DataDecryptor(AEADEncDataPacket, PGPSessionKey)` and `BcAEADUtil#createOpenPgpV6DataDecryptor(SymmetricEncIntegrityPacket, PGPSessionKey)`. Parameters withIntegrityPacket:boolean if true, the data is contained in a SEIPD v1 packet, if false it is contained in a SED packet. engine:BlockCipher decryption engine key:byte[] decryption key Returns:PGPDataDecryptor decryptor

public static PGPDataDecryptor createDataDecryptor(boolean withIntegrityPacket, BlockCipher engine, byte[] key)

Create a new OpenPGP v4 data decryptor. This decryptor can handle Symmetrically Encrypted Data (SED) and v1 Symmetrically Encrypted Integrity-Protected Data (SEIPD) packets. For AEAD packets, see BcAEADUtil#createOpenPgpV5DataDecryptor(AEADEncDataPacket, PGPSessionKey) and BcAEADUtil#createOpenPgpV6DataDecryptor(SymmetricEncIntegrityPacket, PGPSessionKey).

Parameters

withIntegrityPacket:boolean: if true, the data is contained in a SEIPD v1 packet, if false it is contained in a SED packet.
engine:BlockCipher: decryption engine
key:byte[]: decryption key

decryptor

createStreamCipher	back to summary
pack-priv static BufferedBlockCipher createStreamCipher(boolean forEncryption, BlockCipher engine, boolean withIntegrityPacket, byte[] key)

createSymmetricKeyWrapper	back to summary
public static BufferedBlockCipher createSymmetricKeyWrapper(boolean forEncryption, BlockCipher engine, byte[] key, byte[] iv)

decodePoint	back to summary
pack-priv static ECPoint decodePoint(BigInteger encodedPoint, ECCurve curve)

getSecret	back to summary
pack-priv static byte[] getSecret(RawAgreement agreement, AsymmetricKeyParameter privKey, AsymmetricKeyParameter ephPub)

getX9Parameters	back to summary
pack-priv static X9ECParameters getX9Parameters(ASN1ObjectIdentifier curveOID)

isX25519	back to summary
pack-priv static boolean isX25519(ASN1ObjectIdentifier curveID)

processBufferedBlockCipher	back to summary
pack-priv static byte[] processBufferedBlockCipher(boolean forEncryption, BlockCipher engine, byte[] key, byte[] iv, byte[] msg, int msgOff, int msgLen) throws InvalidCipherTextException