C#AES加密
今天寫(xiě)個(gè)接口,要求如下,需要對(duì)應(yīng)的AES加密(128位),例子php的
C#實(shí)現(xiàn)
/// <summary>/// AES 加密 輸出hex格式/// </summary>/// <param name="str">明文(待加密)</param>/// <param name="key">密文</param>/// <returns></returns>public static string AesEncrypt(string str, string key){if (string.IsNullOrEmpty(str)) return null;Byte[] toEncryptArray = Encoding.UTF8.GetBytes(str);System.Security.Cryptography.RijndaelManaged rm = new System.Security.Cryptography.RijndaelManaged{Key = Encoding.UTF8.GetBytes(key),Mode = System.Security.Cryptography.CipherMode.ECB,Padding = System.Security.Cryptography.PaddingMode.Zeros //加密什么格式對(duì)應(yīng)改為就行,基本的話應(yīng)該為PKCS7};System.Security.Cryptography.ICryptoTransform cTransform = rm.CreateEncryptor();Byte[] resultArray = cTransform.TransformFinalBlock(toEncryptArray, 0, toEncryptArray.Length);//return Convert.ToBase64String(resultArray, 0, resultArray.Length);return ByteArrayToHexString(resultArray);}/// <summary>/// 將一個(gè)byte數(shù)組轉(zhuǎn)換成一個(gè)格式化的16進(jìn)制字符串/// </summary>/// <param name="data">byte數(shù)組</param>/// <returns>格式化的16進(jìn)制字符串</returns>public static string ByteArrayToHexString(byte[] data){StringBuilder sb = new StringBuilder(data.Length * 3);foreach (byte b in data){//16進(jìn)制數(shù)字sb.Append(Convert.ToString(b, 16).PadLeft(2, '0'));//16進(jìn)制數(shù)字之間以空格隔開(kāi)//sb.Append(Convert.ToString(b, 16).PadLeft(2, '0').PadRight(3, ' ')); }return sb.ToString().ToUpper();} /// <summary>/// AES 解密 輸出hex格式/// </summary>/// <param name="str">明文(待解密)</param>/// <param name="key">密文</param>/// <returns></returns>public static string AesDecrypt(string str, string key){if (string.IsNullOrEmpty(str)) return null;//Byte[] toEncryptArray = Convert.FromBase64String(str);byte[] toEncryptArray = HexStringToByteArray(str);System.Security.Cryptography.RijndaelManaged rm = new System.Security.Cryptography.RijndaelManaged{Key = Encoding.UTF8.GetBytes(key),Mode = System.Security.Cryptography.CipherMode.ECB,Padding = System.Security.Cryptography.PaddingMode.Zeros};System.Security.Cryptography.ICryptoTransform cTransform = rm.CreateDecryptor();Byte[] resultArray = cTransform.TransformFinalBlock(toEncryptArray, 0, toEncryptArray.Length);return Encoding.UTF8.GetString(resultArray);}/// <summary>/// 將指定的16進(jìn)制字符串轉(zhuǎn)換為byte數(shù)組/// </summary>/// <param name="s">16進(jìn)制字符串(如:“7F 2C 4A”或“7F2C4A”都可以)</param>/// <returns>16進(jìn)制字符串對(duì)應(yīng)的byte數(shù)組</returns>public static byte[] HexStringToByteArray(string s){s = s.Replace(" ", "");byte[] buffer = new byte[s.Length / 2];for (int i = 0; i < s.Length; i += 2)buffer[i / 2] = (byte)Convert.ToByte(s.Substring(i, 2), 16);return buffer;}輸出為Base64將我注釋的取消就行,這個(gè)是因?yàn)樾枨笠氖莌ex格式
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轉(zhuǎn)載于:https://www.cnblogs.com/Cein/p/8406428.html
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