Top Description Fields Constructors Methods
org.bouncycastle.crypto.fpe

public Class FPEFF1Engine

extends FPEEngine
Class Inheritance
Imports
org.bouncycastle.crypto.BlockCipher, .CipherParameters, org.bouncycastle.crypto.engines.AESEngine, org.bouncycastle.crypto.params.FPEParameters, org.bouncycastle.util.Properties
NIST SP 800-38G, FF1 format preserving encryption.

Field Summary

Inherited from org.bouncycastle.crypto.fpe.FPEEngine:
baseCipherforEncryptionfpeParameters

Constructor Summary

AccessConstructor and Description
public
FPEFF1Engine()

Base constructor - the engine will use AES.

public
FPEFF1Engine(BlockCipher
cipher to base the FPE algorithm on.
baseCipher)

Build the engine using the specified 128 bit block cipher.

Method Summary

Modifier and TypeMethod and Description
protected int
decryptBlock(byte[] inBuf, int inOff, int length, byte[] outBuf, int outOff)

Implements abstract org.bouncycastle.crypto.fpe.FPEEngine.decryptBlock.

protected int
encryptBlock(byte[] inBuf, int inOff, int length, byte[] outBuf, int outOff)

Implements abstract org.bouncycastle.crypto.fpe.FPEEngine.encryptBlock.

public String
getAlgorithmName()

Implements abstract org.bouncycastle.crypto.fpe.FPEEngine.getAlgorithmName.

Return the name of the algorithm the cipher implements.

public void
init(boolean
true if initialising for encryption, false otherwise.
forEncryption, CipherParameters
the key and other parameters to use to set the engine up.
parameters)

Implements abstract org.bouncycastle.crypto.fpe.FPEEngine.init.

Initialize the FPE engine for encryption/decryption.

Inherited from org.bouncycastle.crypto.fpe.FPEEngine:
processBlocktoByteArraytoShortArray

Constructor Detail

FPEFF1Engineback to summary
public FPEFF1Engine()

Base constructor - the engine will use AES.

FPEFF1Engineback to summary
public FPEFF1Engine(BlockCipher baseCipher)

Build the engine using the specified 128 bit block cipher.

Parameters
baseCipher:BlockCipher

cipher to base the FPE algorithm on.

Method Detail

decryptBlockback to summary
protected int decryptBlock(byte[] inBuf, int inOff, int length, byte[] outBuf, int outOff)

Implements abstract org.bouncycastle.crypto.fpe.FPEEngine.decryptBlock.

encryptBlockback to summary
protected int encryptBlock(byte[] inBuf, int inOff, int length, byte[] outBuf, int outOff)

Implements abstract org.bouncycastle.crypto.fpe.FPEEngine.encryptBlock.

getAlgorithmNameback to summary
public String getAlgorithmName()

Implements abstract org.bouncycastle.crypto.fpe.FPEEngine.getAlgorithmName.

Doc from org.bouncycastle.crypto.fpe.FPEEngine.getAlgorithmName.

Return the name of the algorithm the cipher implements.

Returns:String

the name of the algorithm the cipher implements.

initback to summary
public void init(boolean forEncryption, CipherParameters parameters)

Implements abstract org.bouncycastle.crypto.fpe.FPEEngine.init.

Doc from org.bouncycastle.crypto.fpe.FPEEngine.init.

Initialize the FPE engine for encryption/decryption.

Parameters
forEncryption:boolean

true if initialising for encryption, false otherwise.

parameters:CipherParameters

the key and other parameters to use to set the engine up.