Example usage for java.util BitSet xor

Introduction

In this page you can find the example usage for java.util BitSet xor.

Prototype

public void xor(BitSet set)

Source Link

Document

Performs a logical XOR of this bit set with the bit set argument.

Usage

From source file:uk.co.infinityapps.rehpic.round.RoundFunctionImpl.java

public byte[] decrypt(byte[] blockData, final byte[][] subKeys) {
    final byte[][] reversedSubKeys = reverseSubKeysForDecryption(subKeys);

    for (byte[] subKey : reversedSubKeys) {
        blockData = substitutionBox.subtitute(blockData, subKey);
        BitSet xorBlockBitSet = BitSet.valueOf(blockData);
        xorBlockBitSet.xor(BitSet.valueOf(subKey));
        blockData = permutator.shiftRight(BitUtils.bitSetToByteArray(xorBlockBitSet, blockData.length), subKey);
        blockData = mixingPermutator.unmix(blockData);
    }//from   w w  w  . j av  a  2 s. c o  m
    return blockData;
}