Package org.xipki.security.util

Class GMUtil

java.lang.Object

org.xipki.security.util.GMUtil

public class GMUtil
extends Object

Chinese GM/SM Util class.

Author:

Lijun Liao (xipki)

Method Summary

Modifier and Type	Method	Description
static byte[]	getDefaultIDA()
static byte[]	getSM2Z(byte[] userID, org.bouncycastle.asn1.ASN1ObjectIdentifier curveOid, BigInteger pubPointX, BigInteger pubPointY)
static byte[]	getSM2Z(org.bouncycastle.asn1.ASN1ObjectIdentifier curveOid, BigInteger pubPointX, BigInteger pubPointY)
static boolean	isSm2primev2Curve(EllipticCurve curve)
static boolean	isSm2primev2Curve(org.bouncycastle.math.ec.ECCurve curve)

Methods inherited from class java.lang.Object

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

Method Detail

getSM2Z

public static byte[] getSM2Z(org.bouncycastle.asn1.ASN1ObjectIdentifier curveOid,
                             BigInteger pubPointX,
                             BigInteger pubPointY)

getDefaultIDA

public static byte[] getDefaultIDA()

getSM2Z

public static byte[] getSM2Z(byte[] userID,
                             org.bouncycastle.asn1.ASN1ObjectIdentifier curveOid,
                             BigInteger pubPointX,
                             BigInteger pubPointY)

isSm2primev2Curve

public static boolean isSm2primev2Curve(EllipticCurve curve)

isSm2primev2Curve

public static boolean isSm2primev2Curve(org.bouncycastle.math.ec.ECCurve curve)