com.sun.squawk.security.ecc
Class ECCurveFp

java.lang.Object
  com.sun.squawk.security.ecc.ECCurveFp

public final class ECCurveFp
extends Object

Field Summary

protected int[]	a
protected boolean	aIsMinus3
protected int[]	b
protected FFA	ffa
protected PrimeField	field
protected ECPoint	generator
protected int	h
protected PrimeField	order
protected int[]	t1
protected int[]	t2
protected int[]	t3
protected int[]	t4

Method Summary

void	add(ECPoint a, ECPoint b)
void	copy(ECPoint dst, ECPoint src)
boolean	decodePoint(ECPoint point, byte[] data, int offset, int length)
int	encodePoint(ECPoint point, byte[] data, int offset)
int[]	getA()
int[]	getB()
PrimeField	getField()
ECPoint	getGenerator()
int	getH()
static ECCurveFp	getInstance()
int[]	getN()
PrimeField	getOrder()
boolean	isOnCurve(ECPoint o1)
void	makeAffine(ECPoint a)
void	multiply(ECPoint R, int[] k)
void	multiplySum(ECPoint R1, int[] k1, ECPoint R2, int[] k2)
void	negate(ECPoint a)
void	twice(ECPoint a)

Methods inherited from class java.lang.Object

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

Field Detail

aIsMinus3

protected final boolean aIsMinus3

t1

protected final int[] t1

t2

protected final int[] t2

t3

protected final int[] t3

t4

protected final int[] t4

field

protected final PrimeField field

a

protected final int[] a

b

protected final int[] b

h

protected final int h

generator

protected final ECPoint generator

order

protected final PrimeField order

ffa

protected final FFA ffa

Method Detail

getInstance

public static ECCurveFp getInstance()

add

public void add(ECPoint a,
                ECPoint b)

negate

public void negate(ECPoint a)

twice

public void twice(ECPoint a)

makeAffine

public void makeAffine(ECPoint a)

multiply

public void multiply(ECPoint R,
                     int[] k)

multiplySum

public void multiplySum(ECPoint R1,
                        int[] k1,
                        ECPoint R2,
                        int[] k2)

isOnCurve

public boolean isOnCurve(ECPoint o1)

getField

public PrimeField getField()

getA

public int[] getA()

getB

public int[] getB()

getOrder

public PrimeField getOrder()

getN

public int[] getN()

getH

public int getH()

getGenerator

public ECPoint getGenerator()

decodePoint

public boolean decodePoint(ECPoint point,
                           byte[] data,
                           int offset,
                           int length)

encodePoint

public int encodePoint(ECPoint point,
                       byte[] data,
                       int offset)

copy

public void copy(ECPoint dst,
                 ECPoint src)