org.spongycastle.crypto.agreement

Class SM2KeyExchange

java.lang.Object

org.spongycastle.crypto.agreement.SM2KeyExchange

public class SM2KeyExchange
extends java.lang.Object

SM2 Key Exchange protocol - based on https://tools.ietf.org/html/draft-shen-sm2-ecdsa-02

Constructor Summary

Constructors

Constructor and Description
SM2KeyExchange()
SM2KeyExchange(Digest digest)

Method Summary

Modifier and Type	Method and Description
byte[]	calculateKey(int kLen, CipherParameters pubParam)
byte[][]	calculateKeyWithConfirmation(int kLen, byte[] confirmationTag, CipherParameters pubParam)
int	getFieldSize()
void	init(CipherParameters privParam)

Methods inherited from class java.lang.Object

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

Constructor Detail

SM2KeyExchange

public SM2KeyExchange()

SM2KeyExchange

public SM2KeyExchange(Digest digest)

Method Detail

init

public void init(CipherParameters privParam)

getFieldSize

public int getFieldSize()

calculateKey

public byte[] calculateKey(int kLen,
                           CipherParameters pubParam)

calculateKeyWithConfirmation

public byte[][] calculateKeyWithConfirmation(int kLen,
                                             byte[] confirmationTag,
                                             CipherParameters pubParam)