/** * 3DES * Created by on 2016/7/29. */
public class DES3Util {
private final static String secretKey = "aaaaaaaaaaaaaaaaaaadaaaaa";
private final static String iv = "999929999";
private final static String encoding = "UTF-8";
/** * 3DES UrL */
public static String encode(String plainText) {
try {
SecretKey deskey = null;
DESedeKeySpec spec = new DESedeKeySpec(secretKey.getBytes());
SecretKeyFactory keyfactory = SecretKeyFactory.getInstance("desede");
deskey = keyfactory.generateSecret(spec);
Cipher cipher = Cipher.getInstance("desede/CBC/PKCS5Padding");
IvParameterSpec ips = new IvParameterSpec(iv.getBytes());
cipher.init(Cipher.ENCRYPT_MODE, deskey, ips);
byte[] encryptData = cipher.doFinal(plainText.getBytes(encoding));
return URLEncoder.encode(Base64.encode(encryptData), encoding);
} catch (Exception e) {
e.printStackTrace();
return null;
}
}
/** * UrL 3DES */
public static String decode(String encryptText) {
try {
SecretKey deskey = null;
DESedeKeySpec spec = new DESedeKeySpec(secretKey.getBytes());
SecretKeyFactory keyfactory = SecretKeyFactory.getInstance("desede");
deskey = keyfactory.generateSecret(spec);
Cipher cipher = Cipher.getInstance("desede/CBC/PKCS5Padding");
IvParameterSpec ips = new IvParameterSpec(iv.getBytes());
cipher.init(Cipher.DECRYPT_MODE, deskey, ips);
byte[] decryptData = cipher.doFinal(Base64.decode(URLDecoder.decode(encryptText, encoding)));
return new String(decryptData, encoding);
} catch (Exception e) {
e.printStackTrace();
return null;
}
}
}