初始提交

Infrastructure/ServiceClient/Alipay.AopSdk.Core/Util/AlipayEncrypt.cs

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+using System;
+using System.Security.Cryptography;
+using System.Text;
+
+namespace Alipay.AopSdk.Core.Util
+{
+	internal class AlipayEncrypt
+	{
+		/// <summary>
+		///     128位0向量
+		/// </summary>
+		private static readonly byte[] AES_IV = initIv(16);
+
+		/// <summary>
+		///     AES 加密
+		/// </summary>
+		/// <param name="encryptKey"></param>
+		/// <param name="bizContent"></param>
+		/// <param name="charset"></param>
+		/// <returns></returns>
+		public static string AesEncrypt(string encryptKey, string bizContent, string charset)
+		{
+			var keyArray = Convert.FromBase64String(encryptKey);
+			byte[] toEncryptArray = null;
+
+			if (string.IsNullOrEmpty(charset))
+				toEncryptArray = Encoding.UTF8.GetBytes(bizContent);
+			else
+				toEncryptArray = Encoding.GetEncoding(charset).GetBytes(bizContent);
+
+			var rDel = new RijndaelManaged();
+			rDel.Key = keyArray;
+			rDel.Mode = CipherMode.CBC;
+			rDel.Padding = PaddingMode.PKCS7;
+			rDel.IV = AES_IV;
+
+			var cTransform = rDel.CreateEncryptor(rDel.Key, rDel.IV);
+			var resultArray = cTransform.TransformFinalBlock(toEncryptArray, 0, toEncryptArray.Length);
+
+
+			return Convert.ToBase64String(resultArray);
+		}
+
+		/// <summary>
+		///     AES解密
+		/// </summary>
+		/// <param name="encryptKey"></param>
+		/// <param name="bizContent"></param>
+		/// <param name="charset"></param>
+		/// <returns></returns>
+		public static string AesDencrypt(string encryptKey, string bizContent, string charset)
+		{
+			var keyArray = Convert.FromBase64String(encryptKey);
+			var toEncryptArray = Convert.FromBase64String(bizContent);
+
+			var rDel = new RijndaelManaged();
+			rDel.Key = keyArray;
+			rDel.Mode = CipherMode.CBC;
+			rDel.Padding = PaddingMode.PKCS7;
+			rDel.IV = AES_IV;
+
+			var cTransform = rDel.CreateDecryptor(rDel.Key, rDel.IV);
+			var resultArray = cTransform.TransformFinalBlock(toEncryptArray, 0, toEncryptArray.Length);
+
+
+			if (string.IsNullOrEmpty(charset))
+				return Encoding.UTF8.GetString(resultArray);
+			return Encoding.GetEncoding(charset).GetString(resultArray);
+		}
+
+		/// <summary>
+		///     初始化向量
+		/// </summary>
+		/// <param name="blockSize"></param>
+		/// <returns></returns>
+		private static byte[] initIv(int blockSize)
+		{
+			var iv = new byte[blockSize];
+			for (var i = 0; i < blockSize; i++)
+				iv[i] = 0x0;
+			return iv;
+		}
+	}
+}