Java Cryptography KeyPairGenerator Java Cryptography KeyGenerator Java密码学验证签名 Java Cryptography KeyPairGenerator import java.security.KeyPair; import java.security.KeyPairGenerator; import java.security.PrivateKey; import java.security.PublicKey; public class KeyPairGenertor { public static void main(String args[]) throws Exception{ //Creating KeyPair generator object KeyPairGenerator keyPairGen = KeyPairGenerator.getInstance("DSA"); //Initializing the KeyPairGenerator keyPairGen.initialize(2048); //Generating the pair of keys KeyPair pair = keyPairGen.generateKeyPair(); //Getting the private key from the key pair PrivateKey privKey = pair.getPrivate(); //Getting the public key from the key pair PublicKey publicKey = pair.getPublic(); System.out.println("Keys generated"); } } Java Cryptography KeyGenerator Java密码学验证签名