java.lang.Object
- org.bouncycastle.crypto.engines.SM2Engine

```
public class SM2Engine
extends java.lang.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 class SM2Engine.Mode

Constructor Summary

Constructors
Constructor Description

SM2Engine()

SM2Engine(Digest digest)

SM2Engine(Digest digest, SM2Engine.Mode mode)

SM2Engine(SM2Engine.Mode mode)

Method Summary

All Methods Instance Methods Concrete Methods
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 Detail

SM2Engine
```
public SM2Engine()
```

SM2Engine

public SM2Engine(SM2Engine.Mode mode)

SM2Engine
```
public SM2Engine(Digest digest)
```

SM2Engine

public SM2Engine(Digest digest,
                 SM2Engine.Mode mode)

Method Detail

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()

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

Class SM2Engine

Nested Class Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

SM2Engine

SM2Engine

SM2Engine

SM2Engine

Method Detail

init

processBlock

getOutputSize

createBasePointMultiplier