cz.d1x.dxcrypto.common

Interface CombineAlgorithm

All Known Implementing Classes:

ConcatCombineAlgorithm

public interface CombineAlgorithm

Algorithm that is able to combine two inputs into one and vice versa split one input back to two. These functions are reversible, so splitting combined text must result in original text again. In formula: split(combine([input1, input])) == [input1, input2].

These algorithms are used for combining an input text and salt before it is processed by hashing algorithm. Also it is used for combining initialization vector and cipher text during encryption so IV is part of final output or splitting back during decryption.

Author:

Zdenek Obst, zdenek.obst-at-gmail.com

See Also:

ConcatCombineAlgorithm

Method Summary

Modifier and Type	Method and Description
byte[]	combine(byte[] input1, byte[] input2) Combines together two byte arrays.
byte[][]	split(byte[] combined) Splits input (that was combined earlier) back to original.

Method Detail

combine

byte[] combine(byte[] input1,
               byte[] input2)

Combines together two byte arrays.

Parameters:

input1 - first input to be combined

input2 - second input to be combined

Returns:

combined inputs into one

split

byte[][] split(byte[] combined)

Splits input (that was combined earlier) back to original.

Parameters:

combined - previously combined input

Returns:

two dimensional array of two original inputs (byte[2][])