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copied!<p>See Sample Example for 3dec encryption and decryption</p> <pre><code>import java.security.MessageDigest; import java.util.Arrays; import javax.crypto.Cipher; import javax.crypto.SecretKey; import javax.crypto.spec.IvParameterSpec; import javax.crypto.spec.SecretKeySpec; class ZiggyTest2{ public static void main(String[] args) throws Exception{ String text = "I am sunil"; byte[] codedtext = new ZiggyTest2().encrypt(text); String decodedtext = new ZiggyTest2().decrypt(codedtext); System.out.println(codedtext); // this is a byte array, you'll just see a reference to an array System.out.println(decodedtext); // This correctly shows "kyle boon" } public byte[] encrypt(String message) throws Exception { MessageDigest md = MessageDigest.getInstance("md5"); byte[] digestOfPassword = md.digest("ABCDEABCDE" .getBytes("utf-8")); byte[] keyBytes = Arrays.copyOf(digestOfPassword, 24); for (int j = 0, k = 16; j < 8;) { keyBytes[k++] = keyBytes[j++]; } SecretKey key = new SecretKeySpec(keyBytes, "DESede"); IvParameterSpec iv = new IvParameterSpec(new byte[8]); Cipher cipher = Cipher.getInstance("DESede/CBC/PKCS5Padding"); cipher.init(Cipher.ENCRYPT_MODE, key, iv); byte[] plainTextBytes = message.getBytes("utf-8"); byte[] cipherText = cipher.doFinal(plainTextBytes); // String encodedCipherText = new sun.misc.BASE64Encoder() // .encode(cipherText); return cipherText; } public String decrypt(byte[] message) throws Exception { MessageDigest md = MessageDigest.getInstance("md5"); byte[] digestOfPassword = md.digest("ABCDEABCDE" .getBytes("utf-8")); byte[] keyBytes = Arrays.copyOf(digestOfPassword, 24); for (int j = 0, k = 16; j < 8;) { keyBytes[k++] = keyBytes[j++]; } SecretKey key = new SecretKeySpec(keyBytes, "DESede"); IvParameterSpec iv = new IvParameterSpec(new byte[8]); Cipher decipher = Cipher.getInstance("DESede/CBC/PKCS5Padding"); decipher.init(Cipher.DECRYPT_MODE, key, iv); byte[] plainText = decipher.doFinal(message); return new String(plainText, "UTF-8"); } } </code></pre>

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