日期:2014-05-20 浏览次数:20825 次
import javax.crypto.*;
import javax.crypto.spec.SecretKeySpec;
public class TestDes {
private static final String Algorithm = "DESede";
public static byte[] encryptMode(byte[] keybyte, byte[] src) {
try {
SecretKey deskey = new SecretKeySpec(keybyte, Algorithm);
Cipher c1 = Cipher.getInstance(Algorithm);
c1.init(Cipher.ENCRYPT_MODE, deskey);
return c1.doFinal(src);
} catch (java.security.NoSuchAlgorithmException e1) {
e1.printStackTrace();
} catch (javax.crypto.NoSuchPaddingException e2) {
e2.printStackTrace();
} catch (java.lang.Exception e3) {
e3.printStackTrace();
}
return null;
}
public static byte[] decryptMode(byte[] keybyte, byte[] src) {
try {
SecretKey deskey = new SecretKeySpec(keybyte, Algorithm);
Cipher c1 = Cipher.getInstance(Algorithm);
c1.init(Cipher.DECRYPT_MODE, deskey);
return c1.doFinal(src);
} catch (java.security.NoSuchAlgorithmException e1) {
e1.printStackTrace();
} catch (javax.crypto.NoSuchPaddingException e2) {
e2.printStackTrace();
} catch (java.lang.Exception e3) {
e3.printStackTrace();