org.openeuler.util

类 SM2P256CurveUtil

java.lang.Object

org.openeuler.util.SM2P256CurveUtil

public class SM2P256CurveUtil
extends Object

The implementation of this class comes from https://github.com/bcgit/bc-java/blob/main/core/src/main/java/org/bouncycastle/math/ec/custom/gm/SM2P256V1Field.java

字段概要

字段

限定符和类型	字段和说明
private static long	M
(专用程序包) static int[]	P
private static int	P7s1
private static int[]	PExt
private static int	PExt15s1

构造器概要

构造器

构造器和说明
SM2P256CurveUtil()

方法概要

限定符和类型	方法和说明
static void	add(int[] x, int[] y, int[] z)
private static void	addPInvTo(int[] z)
static void	inv(int[] x, int[] z)
static int	isZero(int[] x)
static void	multiply(int[] x, int[] y, int[] z)
static void	multiplyAddToExt(int[] x, int[] y, int[] zz)
static void	negate(int[] x, int[] z)
static void	reduce(int[] xx, int[] z)
static void	reduce32(int x, int[] z)
static void	square(int[] x, int[] z)
private static void	subPInvFrom(int[] z)
static void	subtract(int[] x, int[] y, int[] z)
static void	twice(int[] x, int[] z)

从类继承的方法 java.lang.Object

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

字段详细资料

M

private static final long M

另请参阅:

常量字段值

P

static final int[] P

PExt

private static final int[] PExt

P7s1

private static final int P7s1

另请参阅:

常量字段值

PExt15s1

private static final int PExt15s1

另请参阅:

常量字段值

构造器详细资料

SM2P256CurveUtil

public SM2P256CurveUtil()

方法详细资料

add

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

inv

public static void inv(int[] x,
                       int[] z)

isZero

public static int isZero(int[] x)

multiply

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

multiplyAddToExt

public static void multiplyAddToExt(int[] x,
                                    int[] y,
                                    int[] zz)

negate

public static void negate(int[] x,
                          int[] z)

reduce

public static void reduce(int[] xx,
                          int[] z)

reduce32

public static void reduce32(int x,
                            int[] z)

square

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

subtract

public static void subtract(int[] x,
                            int[] y,
                            int[] z)

twice

public static void twice(int[] x,
                         int[] z)

addPInvTo

private static void addPInvTo(int[] z)

subPInvFrom

private static void subPInvFrom(int[] z)