AES decrypt byte array by byte array key - Java Security

Java examples for Security:AES

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Description

AES decrypt byte array by byte array key

Demo Code


//package com.java2s;
import javax.crypto.BadPaddingException;
import javax.crypto.Cipher;
import javax.crypto.IllegalBlockSizeException;
import javax.crypto.NoSuchPaddingException;
import javax.crypto.spec.SecretKeySpec;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;

public class Main {

    public static byte[] decrypt(byte[] input, byte[] key)
            throws InvalidKeyException, NoSuchPaddingException,
            NoSuchAlgorithmException, BadPaddingException,
            IllegalBlockSizeException {
        SecretKeySpec keySpec = new SecretKeySpec(key, "AES");
        Cipher cipher = Cipher.getInstance("AES");
        cipher.init(Cipher.DECRYPT_MODE, keySpec);
        return cipher.doFinal(input);
    }//from ww  w. j  a  v a 2 s .  com
}

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