Package org.bouncycastle.crypto.engines

Class SM2Engine

java.lang.Object

org.bouncycastle.crypto.engines.SM2Engine

public class SM2Engine
extends Object

SM2 public key encryption engine - based on https://tools.ietf.org/html/draft-shen-sm2-ecdsa-02.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static enum	SM2Engine.Mode

Constructor Summary

Constructors

Constructor	Description
SM2Engine()
SM2Engine(Digest digest)
SM2Engine(Digest digest, SM2Engine.Mode mode)
SM2Engine(SM2Engine.Mode mode)

Method Summary

Modifier and Type	Method	Description
protected ECMultiplier	createBasePointMultiplier()
int	getOutputSize(int inputLen)
void	init(boolean forEncryption, CipherParameters param)
byte[]	processBlock(byte[] in, int inOff, int inLen)

Methods inherited from class java.lang.Object

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

Constructor Details

SM2Engine

public SM2Engine()

SM2Engine

public SM2Engine(SM2Engine.Mode mode)

SM2Engine

public SM2Engine(Digest digest)

SM2Engine

public SM2Engine(Digest digest,
 SM2Engine.Mode mode)

Method Details

init

public void init(boolean forEncryption,
 CipherParameters param)

processBlock

public byte[] processBlock(byte[] in,
 int inOff,
 int inLen)
                    throws InvalidCipherTextException

Throws:

InvalidCipherTextException

getOutputSize

public int getOutputSize(int inputLen)

createBasePointMultiplier

protected ECMultiplier createBasePointMultiplier()