Get the bytes of the public and private keys

    

import java.security.KeyPair;
import java.security.KeyPairGenerator;
import java.security.PrivateKey;
import java.security.PublicKey;

public class Main {
  public static void main(String[] argv) throws Exception {
    String algorithm = "DSA"; // or RSA, DH, etc.

    // Generate a 1024-bit Digital Signature Algorithm (DSA) key pair
    KeyPairGenerator keyGen = KeyPairGenerator.getInstance(algorithm);
    keyGen.initialize(1024);
    KeyPair keypair = keyGen.genKeyPair();
    PrivateKey privateKey = keypair.getPrivate();
    PublicKey publicKey = keypair.getPublic();

    byte[] privateKeyBytes = privateKey.getEncoded();
    byte[] publicKeyBytes = publicKey.getEncoded();
  }
}

1.	Using the KeyGenerator class and showing how to create a SecretKeySpec from an encoded key
2.	Key Generator Mac
3.	Generate DSA key pair
4.	KeyPair Generator For Private Key
5.	KeyPair Generator For Public Key
6.	Wrap And Unwrap Key
7.	Generating a Public/Private Key Pair
8.	Generate a 576-bit DH key pair
9.	Generate a 1024-bit RSA key pair
10.	Getting the Bytes of a Generated Key Pair
11.	The bytes can be converted back to public and private key objects
12.	Generate a key for the HMAC-SHA1 keyed-hashing algorithm
13.	Asymmetric Key Maker
14.	Generating a Symmetric Key
15.	Xml dap Certs And Keys
16.	Diffie-Hellman key exchange

Get the bytes of the public and private keys : Key Generator « Security « Java

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