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1public static String decryptBase64(String codedtext, String keyString) throws Exception {
2        final MessageDigest md = MessageDigest.getInstance("md5");
3        final byte[] digestOfPassword = md.digest(keyString.getBytes("utf-8"));
4        final byte[] keyBytes = Arrays.copyOf(digestOfPassword, 24);
5        for (int j = 0, k = 16; j < 8;) {
6            keyBytes[k++] = keyBytes[j++];
7        }
8
9        final SecretKey key = new SecretKeySpec(keyBytes, "DESede");
10        final IvParameterSpec iv = new IvParameterSpec(new byte[8]);
11        final Cipher cipher = Cipher.getInstance("DESede/ECB/PKCS5Padding");
12        cipher.init(Cipher.DECRYPT_MODE, key);
13
14        final byte[] plainTextBytes =new Base64().decode(codedtext);
15        final byte[] cipherText = cipher.doFinal(plainTextBytes);
16        final String decryptedCipherText = new String(cipherText,"utf-8"); ;
17        return decryptedCipherText;
18 }
19
20encryptedstring = "CftozpspcVnys9xfQ%252FH3wsus2Fr3rX5xBwdW9Fhkehf6MAhT7vDhGlXJS93r6shQ4xym5rQ%252F6MeiIMUNWCEaoQ%253D%253D";