org.bouncycastle.crypto.modes.kgcm

Class KGCMUtil_256

java.lang.Object

org.bouncycastle.crypto.modes.kgcm.KGCMUtil_256

public class KGCMUtil_256
extends java.lang.Object

Utilities for the GF(2^m) field with corresponding extension polynomial:

 GF (2^256) -> x^256 + x^10 + x^5 + x^2 + 1
 

The representation is little-endian arrays of 64-bit words

Field Summary

Fields

Modifier and Type	Field and Description
static int	SIZE

Constructor Summary

Constructors

Constructor and Description
KGCMUtil_256()

Method Summary

Modifier and Type	Method and Description
static void	add(long[] x, long[] y, long[] z)
static void	copy(long[] x, long[] z)
static boolean	equal(long[] x, long[] y)
static void	multiply(long[] x, long[] y, long[] z)
static void	multiplyX(long[] x, long[] z)
static void	multiplyX8(long[] x, long[] z)
static void	one(long[] z)
static void	square(long[] x, long[] z)
static void	x(long[] z)
static void	zero(long[] z)

Methods inherited from class java.lang.Object

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

Field Detail

SIZE

public static final int SIZE

See Also:

Constant Field Values

Constructor Detail

KGCMUtil_256

public KGCMUtil_256()

Method Detail

add

public static void add(long[] x,
                       long[] y,
                       long[] z)

copy

public static void copy(long[] x,
                        long[] z)

equal

public static boolean equal(long[] x,
                            long[] y)

multiply

public static void multiply(long[] x,
                            long[] y,
                            long[] z)

multiplyX

public static void multiplyX(long[] x,
                             long[] z)

multiplyX8

public static void multiplyX8(long[] x,
                              long[] z)

one

public static void one(long[] z)

square

public static void square(long[] x,
                          long[] z)

x

public static void x(long[] z)

zero

public static void zero(long[] z)