decrypt String by Secret Key - Android java.security

Android examples for java.security:Key

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Description

decrypt String by Secret Key

Demo Code


//package com.java2s;

import android.util.Base64;

import javax.crypto.Cipher;

import javax.crypto.SecretKey;

public class Main {
    public static String decryptString(String encryptedString, SecretKey key) {
        String decryptedString = null;
        byte[] decodedBytes = null;
        try {/*from  w ww.j  av  a 2 s .  co m*/
            Cipher c = Cipher.getInstance("AES");
            c.init(Cipher.DECRYPT_MODE, key);
            byte[] myBytes = Base64.decode(encryptedString, Base64.DEFAULT);
            decodedBytes = c.doFinal(myBytes);
            decryptedString = new String(decodedBytes);
        } catch (Exception e) {
        }
        return decryptedString;
    }
}

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