Fork/Fork.Net/Y.Utils/DataUtils/EncryptUtils/AesTool.cs

//############################################################
//      https://github.com/yuzhengyang
//      author:yuzhengyang
//############################################################
using System;
using System.Collections.Generic;
using System.Linq;
using System.Security.Cryptography;
using System.Text;
using System.Threading.Tasks;

namespace Y.Utils.DataUtils.EncryptUtils
{
    public class AesTool
    {
        //byte[] keyArray = UTF8Encoding.UTF8.GetBytes("12345678901234567890123456789012");
        /// <summary>
        /// 加密
        /// </summary>
        /// <param name="str">要加密的 string 字符串</param>
        /// <param name="key"></param>
        /// <returns></returns>
        public static string Encrypt(string str, string key)
        {
            byte[] keyArray = Encoding.UTF8.GetBytes(key);
            byte[] toEncryptArray = Encoding.UTF8.GetBytes(str);

            RijndaelManaged rDel = new RijndaelManaged();
            rDel.Key = keyArray;
            rDel.Mode = CipherMode.ECB;
            rDel.Padding = PaddingMode.PKCS7;

            ICryptoTransform cTransform = rDel.CreateEncryptor();
            byte[] resultArray = cTransform.TransformFinalBlock(toEncryptArray, 0, toEncryptArray.Length);

            return Convert.ToBase64String(resultArray, 0, resultArray.Length);
        }
        /// <summary>
        /// 加密
        /// </summary>
        /// <param name="array">要加密的 byte[] 数组</param>
        /// <param name="key"></param>
        /// <returns></returns>
        public static byte[] Encrypt(byte[] array, string key)
        {
            byte[] keyArray = Encoding.UTF8.GetBytes(key);

            RijndaelManaged rDel = new RijndaelManaged();
            rDel.Key = keyArray;
            rDel.Mode = CipherMode.ECB;
            rDel.Padding = PaddingMode.PKCS7;

            ICryptoTransform cTransform = rDel.CreateEncryptor();
            byte[] resultArray = cTransform.TransformFinalBlock(array, 0, array.Length);

            return resultArray;
        }
        /// <summary>
        /// 解密
        /// </summary>
        /// <param name="str">要解密的 string 字符串</param>
        /// <param name="key"></param>
        /// <returns></returns>
        public static string Decrypt(string str, string key)
        {
            byte[] keyArray = UTF8Encoding.UTF8.GetBytes(key);
            byte[] toEncryptArray = Convert.FromBase64String(str);

            RijndaelManaged rDel = new RijndaelManaged();
            rDel.Key = keyArray;
            rDel.Mode = CipherMode.ECB;
            rDel.Padding = PaddingMode.PKCS7;

            ICryptoTransform cTransform = rDel.CreateDecryptor();
            byte[] resultArray = cTransform.TransformFinalBlock(toEncryptArray, 0, toEncryptArray.Length);

            return UTF8Encoding.UTF8.GetString(resultArray);
        }
        /// <summary>
        /// 解密
        /// </summary>
        /// <param name="array">要解密的 byte[] 数组</param>
        /// <param name="key"></param>
        /// <returns></returns>
        public static byte[] Decrypt(byte[] array, string key)
        {
            byte[] keyArray = UTF8Encoding.UTF8.GetBytes(key);

            RijndaelManaged rDel = new RijndaelManaged();
            rDel.Key = keyArray;
            rDel.Mode = CipherMode.ECB;
            rDel.Padding = PaddingMode.PKCS7;

            ICryptoTransform cTransform = rDel.CreateDecryptor();
            byte[] resultArray = cTransform.TransformFinalBlock(array, 0, array.Length);

            return resultArray;
        }
    }
}