C#SDK提交

sop-sdk/sdk-csharp/SDKCSharp/Utility/SignUtil.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Collections;
 using System.Collections.Generic;
+using System.Text;
 
 namespace SDKCSharp.Utility
 {
@@ -11,16 +12,45 @@ namespace SDKCSharp.Utility
     {
 
         /// <summary>
-        /// 构建签名。
+        /// 构建签名
         /// </summary>
+        /// <returns>The sign.</returns>
         /// <param name="parameters">参数.</param>
-        /// <param name="privateKeyPem">私钥.</param>
+        /// <param name="privateKey">私钥.</param>
         /// <param name="charset">字符集.</param>
         /// <param name="signType">签名类型.</param>
-        /// <returns>返回签名.</returns>
-        public static string CreateSign(IDictionary<string, string> parameters, string privateKeyPem, string charset, bool isFromFile, string signType)
+        public static string CreateSign(IDictionary<string, string> parameters, string privateKey, Encoding charset, SignType signType)
         {
-            return AlipaySignature.RSASign(parameters, privateKeyPem, charset, isFromFile, signType);
+            RSAHelper rsa = new RSAHelper(signType, charset, privateKey, null);
+            string content = GetSignContent(parameters);
+            return rsa.Sign(content);
+        }
+
+        /// <summary>
+        /// 构建签名内容
+        /// </summary>
+        /// <returns>The sign content.</returns>
+        /// <param name="parameters">Parameters.</param>
+        public static string GetSignContent(IDictionary<string, string> parameters)
+        {
+            // 第一步：把字典按Key的字母顺序排序
+            IDictionary<string, string> sortedParams = new SortedDictionary<string, string>(parameters);
+            IEnumerator<KeyValuePair<string, string>> dem = sortedParams.GetEnumerator();
+
+            // 第二步：把所有参数名和参数值串在一起
+            StringBuilder query = new StringBuilder("");
+            while (dem.MoveNext())
+            {
+                string key = dem.Current.Key;
+                string value = dem.Current.Value;
+                if (!string.IsNullOrEmpty(key) && !string.IsNullOrEmpty(value))
+                {
+                    query.Append(key).Append("=").Append(value).Append("&");
+                }
+            }
+            string content = query.ToString().Substring(0, query.Length - 1);
+
+            return content;
         }
 
     }