智能工厂.apk(点击下载) / AESUtil.java

package com.baidu.tts.tools;

import android.annotation.SuppressLint;
import javax.crypto.Cipher;
import javax.crypto.spec.IvParameterSpec;
import javax.crypto.spec.SecretKeySpec;

public final class AESUtil {
    @SuppressLint({"TrulyRandom"})
    public static byte[] encrypt(String str, String str2, byte[] bArr) throws Exception {
        SecretKeySpec secretKeySpec = new SecretKeySpec(str2.getBytes(), "AES");
        Cipher instance = Cipher.getInstance("AES/CBC/PKCS5Padding");
        instance.init(1, secretKeySpec, new IvParameterSpec(str.getBytes()));
        return instance.doFinal(bArr);
    }

    public static byte[] decrypt(String str, String str2, byte[] bArr) throws Exception {
        SecretKeySpec secretKeySpec = new SecretKeySpec(str2.getBytes(), "AES");
        Cipher instance = Cipher.getInstance("AES/CBC/PKCS5Padding");
        instance.init(2, secretKeySpec, new IvParameterSpec(str.getBytes()));
        return instance.doFinal(bArr);
    }
}