top.cenze.utils.crypt.sm.sm2

类 SM2Factory

java.lang.Object

top.cenze.utils.crypt.sm.sm2.SM2Factory

public class SM2Factory
extends Object

字段概要

字段

限定符和类型	字段和说明
private static BigInteger	a
private static BigInteger	b
org.bouncycastle.crypto.params.ECDomainParameters	ecc_bc_spec
org.bouncycastle.math.ec.ECCurve	ecc_curve
org.bouncycastle.math.ec.ECFieldElement	ecc_gx_fieldelement
org.bouncycastle.math.ec.ECFieldElement	ecc_gy_fieldelement
org.bouncycastle.crypto.generators.ECKeyPairGenerator	ecc_key_pair_generator
org.bouncycastle.math.ec.ECPoint	ecc_point_g
private static BigInteger	gx
private static BigInteger	gy
private static int	h
private static BigInteger	n
private static BigInteger	p

构造器概要

构造器

构造器和说明
SM2Factory()

方法概要

限定符和类型	方法和说明
static SM2Factory	getInstance() 初始化方法
byte[]	sm2GetZ(byte[] userId, org.bouncycastle.math.ec.ECPoint userKey) 根据私钥、曲线参数计算Z
void	sm2Sign(byte[] md, BigInteger userD, org.bouncycastle.math.ec.ECPoint userKey, SM2Result sm2Result) 签名相关值计算
void	sm2Verify(byte[] md, org.bouncycastle.math.ec.ECPoint userKey, BigInteger r, BigInteger s, SM2Result sm2Result) 验签

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

a

private static final BigInteger a

b

private static final BigInteger b

gx

private static final BigInteger gx

gy

private static final BigInteger gy

n

private static final BigInteger n

p

private static final BigInteger p

h

private static final int h

另请参阅:

常量字段值

ecc_gx_fieldelement

public final org.bouncycastle.math.ec.ECFieldElement ecc_gx_fieldelement

ecc_gy_fieldelement

public final org.bouncycastle.math.ec.ECFieldElement ecc_gy_fieldelement

ecc_curve

public final org.bouncycastle.math.ec.ECCurve ecc_curve

ecc_point_g

public final org.bouncycastle.math.ec.ECPoint ecc_point_g

ecc_bc_spec

public final org.bouncycastle.crypto.params.ECDomainParameters ecc_bc_spec

ecc_key_pair_generator

public final org.bouncycastle.crypto.generators.ECKeyPairGenerator ecc_key_pair_generator

构造器详细资料

SM2Factory

public SM2Factory()

方法详细资料

getInstance

public static SM2Factory getInstance()

初始化方法

返回:

sm2GetZ

public byte[] sm2GetZ(byte[] userId,
                      org.bouncycastle.math.ec.ECPoint userKey)

根据私钥、曲线参数计算Z

参数:

userId -

userKey -

返回:

sm2Sign

public void sm2Sign(byte[] md,
                    BigInteger userD,
                    org.bouncycastle.math.ec.ECPoint userKey,
                    SM2Result sm2Result)

签名相关值计算

参数:

md -

userD -

userKey -

sm2Result -

sm2Verify

public void sm2Verify(byte[] md,
                      org.bouncycastle.math.ec.ECPoint userKey,
                      BigInteger r,
                      BigInteger s,
                      SM2Result sm2Result)

验签

参数:

md - sm3摘要

userKey - 根据公钥decode一个ecpoint对象

r - 没有特殊含义

s - 没有特殊含义

sm2Result - 接收参数的对象