SM2PrivateKeySpec (Java SE 11 & JDK 11 )

java.lang.Object
- java.security.spec.ECPrivateKeySpec
- - java.security.spec.SM2PrivateKeySpec

All Implemented Interfaces:

KeySpec
```
public final class SM2PrivateKeySpec
extends ECPrivateKeySpec
```
A SM2 private key with the specified value.

Constructor Summary

Constructors
Constructor	Description
`SM2PrivateKeySpec(byte[] sKey)`	Create a new `SM2PrivateKeySpec` with a key in byte array.
`SM2PrivateKeySpec(BigInteger s)`	Create a new `SM2PrivateKeySpec` with a key value.

Method Summary
- Methods declared in class java.security.spec.ECPrivateKeySpec
  getParams, getS
- Methods declared in class java.lang.Object
  clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - SM2PrivateKeySpec
```
public SM2PrivateKeySpec(BigInteger s)
```
    Create a new SM2PrivateKeySpec with a key value.
    
    Parameters:
    
    s - the private key value.
  - SM2PrivateKeySpec
```
public SM2PrivateKeySpec(byte[] sKey)
```
    Create a new SM2PrivateKeySpec with a key in byte array.
    
    Parameters:
    
    sKey - the private key value represented by a byte array.