org.spongycastle.pqc.crypto.rainbow.util

Class RainbowUtil

java.lang.Object

org.spongycastle.pqc.crypto.rainbow.util.RainbowUtil

public class RainbowUtil
extends java.lang.Object

This class is needed for the conversions while encoding and decoding, as well as for comparison between arrays of some dimensions

Constructor Summary

Constructors

Constructor and Description
RainbowUtil()

Method Summary

Methods

Modifier and Type	Method and Description
static short[]	convertArray(byte[] in) This function converts an one-dimensional array of bytes into a one-dimensional array of type short
static short[][]	convertArray(byte[][] in) This function converts a matrix of bytes into a matrix of type short
static short[][][]	convertArray(byte[][][] in) This function converts a 3-dimensional array of bytes into a 3-dimensional array of type short
static byte[]	convertArray(short[] in) This function converts an array of type short into an array of type byte
static byte[][]	convertArray(short[][] in) This function converts a matrix of type short into a matrix of type byte
static byte[][][]	convertArray(short[][][] in) This function converts a 3-dimensional array of type short into a 3-dimensional array of type byte
static int[]	convertArraytoInt(byte[] in) This function converts an one-dimensional array of bytes into a one-dimensional array of int
static byte[]	convertIntArray(int[] in) This function converts an array of type int into an array of type byte
static boolean	equals(short[][][] left, short[][][] right) Compare two three-dimensional short arrays.
static boolean	equals(short[][] left, short[][] right) Compare two two-dimensional short arrays.
static boolean	equals(short[] left, short[] right) Compare two short arrays.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

RainbowUtil

public RainbowUtil()

Method Detail

convertArraytoInt

public static int[] convertArraytoInt(byte[] in)

This function converts an one-dimensional array of bytes into a one-dimensional array of int

Parameters:

in - the array to be converted

Returns:

out the one-dimensional int-array that corresponds the input

convertArray

public static short[] convertArray(byte[] in)

This function converts an one-dimensional array of bytes into a one-dimensional array of type short

Parameters:

in - the array to be converted

Returns:

out one-dimensional short-array that corresponds the input

convertArray

public static short[][] convertArray(byte[][] in)

This function converts a matrix of bytes into a matrix of type short

Parameters:

in - the matrix to be converted

Returns:

out short-matrix that corresponds the input

convertArray

public static short[][][] convertArray(byte[][][] in)

This function converts a 3-dimensional array of bytes into a 3-dimensional array of type short

Parameters:

in - the array to be converted

Returns:

out short-array that corresponds the input

convertIntArray

public static byte[] convertIntArray(int[] in)

This function converts an array of type int into an array of type byte

Parameters:

in - the array to be converted

Returns:

out the byte-array that corresponds the input

convertArray

public static byte[] convertArray(short[] in)

This function converts an array of type short into an array of type byte

Parameters:

in - the array to be converted

Returns:

out the byte-array that corresponds the input

convertArray

public static byte[][] convertArray(short[][] in)

This function converts a matrix of type short into a matrix of type byte

Parameters:

in - the matrix to be converted

Returns:

out the byte-matrix that corresponds the input

convertArray

public static byte[][][] convertArray(short[][][] in)

This function converts a 3-dimensional array of type short into a 3-dimensional array of type byte

Parameters:

in - the array to be converted

Returns:

out the byte-array that corresponds the input

equals

public static boolean equals(short[] left,
             short[] right)

Compare two short arrays. No null checks are performed.

Parameters:

left - the first short array

right - the second short array

Returns:

the result of the comparison

equals

public static boolean equals(short[][] left,
             short[][] right)

Compare two two-dimensional short arrays. No null checks are performed.

Parameters:

left - the first short array

right - the second short array

Returns:

the result of the comparison

equals

public static boolean equals(short[][][] left,
             short[][][] right)

Compare two three-dimensional short arrays. No null checks are performed.

Parameters:

left - the first short array

right - the second short array

Returns:

the result of the comparison