org.bouncycastle.crypto.params.FPEParameters Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of bcprov-ext-debug-jdk18on Show documentation

The Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms. This jar contains JCE provider and lightweight API for the Bouncy Castle Cryptography APIs for Java 1.8 and later with debug enabled.

The newest version!

package org.bouncycastle.crypto.params;

import org.bouncycastle.crypto.CipherParameters;
import org.bouncycastle.crypto.util.RadixConverter;
import org.bouncycastle.util.Arrays;

public final class FPEParameters
    implements CipherParameters
{
    private final KeyParameter key;
    private final RadixConverter radixConverter;
    private final byte[] tweak;
    private final boolean useInverse;

    public FPEParameters(KeyParameter key, int radix, byte[] tweak)
    {
        this(key, radix, tweak, false);
    }

    public FPEParameters(KeyParameter key, int radix, byte[] tweak, boolean useInverse)
    {
        this(key, new RadixConverter(radix), tweak, useInverse);
    }

    public FPEParameters(KeyParameter key, RadixConverter radixConverter, byte[] tweak, boolean useInverse)
    {
        this.key = key;
        this.radixConverter = radixConverter;
        this.tweak = Arrays.clone(tweak);
        this.useInverse = useInverse;
    }

    public KeyParameter getKey()
    {
        return key;
    }

    public int getRadix()
    {
        return radixConverter.getRadix();
    }

    public RadixConverter getRadixConverter()
    {
        return radixConverter;
    }

    public byte[] getTweak()
    {
        return Arrays.clone(tweak);
    }

    public boolean isUsingInverseFunction()
    {
        return useInverse;
    }
}