Kode Java

package org.kodejava.example.security;

import java.security.MessageDigest;

public class EncryptExample {
	public static void main(String[] args) {
		String password = "secret";
		String algorithm = "SHA";
		
		byte[] plainText = password.getBytes();
		
		MessageDigest md = null;
		
		try {		
			md = MessageDigest.getInstance(algorithm);
		} catch (Exception e) {
			e.printStackTrace();
		}
		
		md.reset();		
		md.update(plainText);
		byte[] encodedPassword = md.digest();
		
		StringBuilder sb = new StringBuilder();
		for (int i = 0; i < encodedPassword.length; i++) {
			if ((encodedPassword[i] & 0xff) < 0x10) {
				sb.append("0");
			}
			
			sb.append(Long.toString(encodedPassword[i] & 0xff, 16));
		}

		System.out.println("Plain    : " + password);
		System.out.println("Encrypted: " + sb.toString());
	}
}