Java 使用ObjectOutputStream发送RSA对象
我尝试使用ObjectOutpuStream发送我已完成序列化的RSA自定义对象。为什么ObjectInputStream接收空指针并抛出异常NullPointer，因为没有创建类Java 使用ObjectOutputStream发送RSA对象,java,rsa,objectoutputstream,Java,Rsa,Objectoutputstream,我尝试使用ObjectOutpuStream发送我已完成序列化的RSA自定义对象。为什么ObjectInputStream接收空指针并抛出异常NullPointer，因为没有创建类 import java.io.Serializable; import java.math.BigInteger; import java.security.InvalidKeyException; import java.security.KeyPair; import java.security.KeyPairG
import java.io.Serializable;
import java.math.BigInteger;
import java.security.InvalidKeyException;
import java.security.KeyPair;
import java.security.KeyPairGenerator;
import java.security.NoSuchAlgorithmException;
import java.security.PrivateKey;
import java.security.PublicKey;
import java.security.spec.RSAKeyGenParameterSpec;
import javax.crypto.BadPaddingException;
import javax.crypto.Cipher;
import javax.crypto.IllegalBlockSizeException;
import javax.crypto.NoSuchPaddingException;
public class NewRSA implements Serializable{
private KeyPair keys ;
public NewRSA(){
this.keys=null;
}
public NewRSA(KeyPair keys)
{
this.keys=keys;
}
public KeyPair getKPair()
{
return keys;
}
public void setKPair(KeyPair keys)
{
this.keys=keys;
}
public KeyPair generateRsaKeyPair(int keySize, BigInteger publicExponent)
{
try
{
KeyPairGenerator keyGen = KeyPairGenerator.getInstance("RSA");
RSAKeyGenParameterSpec spec = new RSAKeyGenParameterSpec(keySize, publicExponent);
keyGen.initialize(spec);
keys = keyGen.generateKeyPair();
}
catch(Exception e)
{
}
return keys;
}
public byte[] rsaEncrypt(byte[] original, PublicKey key) throws InvalidKeyException, IllegalBlockSizeException, NoSuchAlgorithmException, NoSuchPaddingException, BadPaddingException
{
Cipher cipher = Cipher.getInstance("RSA/ECB/PKCS1Padding");
cipher.init(Cipher.ENCRYPT_MODE, key);
return cipher.doFinal(original);
}
public static byte[] rsaDecrypt(byte[] encrypted, PrivateKey key) throws NoSuchAlgorithmException, NoSuchPaddingException, InvalidKeyException, IllegalBlockSizeException, BadPaddingException
{
Cipher cipher = Cipher.getInstance("RSA/ECB/PKCS1Padding");
cipher.init(Cipher.DECRYPT_MODE, key);
return cipher.doFinal(encrypted);
}
}
在stefano.Server$ServerThread.run（Server.java:428）“java.lang.ClassNotFoundException:com.android.org.conscret.OpenSSLRSAPrivateCrtKey”，顺便说一句，这不是
NullPointerException