refactor(openai): 优化哈希算法工具类

src/SKIT.FlurlHttpClient.Wechat.OpenAI/Utilities/SHA1Utility.cs

@@ -1,39 +1,44 @@
 using System;
 using System.Security.Cryptography;
-using System.Text;
 
 namespace SKIT.FlurlHttpClient.Wechat.OpenAI.Utilities
 {
+    using SKIT.FlurlHttpClient.Primitives;
+
     /// <summary>
     /// SHA-1 算法工具类。
     /// </summary>
     public static class SHA1Utility
     {
         /// <summary>
-        /// 获取 SHA-1 信息摘要。
+        /// 计算 SHA-1 哈希值。
         /// </summary>
-        /// <param name="bytes">信息字节数组。</param>
+        /// <param name="bytes">要计算哈希值的信息字节数组。</param>
-        /// <returns>信息摘要字节数组。</returns>
+        /// <returns>哈希值字节数组。</returns>
         public static byte[] Hash(byte[] bytes)
         {
             if (bytes is null) throw new ArgumentNullException(nameof(bytes));
 
-            using SHA1 sha = SHA1.Create();
+#if NET5_0_OR_GREATER
-            return sha.ComputeHash(bytes);
+            return SHA1.HashData(bytes);
+#else
+            using SHA1 sha1 = SHA1.Create();
+            return sha1.ComputeHash(bytes);
+#endif
         }
 
         /// <summary>
-        /// 获取 SHA-1 信息摘要。
+        /// 计算 SHA-1 哈希值。
         /// </summary>
-        /// <param name="message">文本信息。</param>
+        /// <param name="message">要计算哈希值的信息。</param>
-        /// <returns>信息摘要。</returns>
+        /// <returns>经过十六进制编码的哈希值。</returns>
-        public static string Hash(string message)
+        public static EncodedString Hash(string message)
         {
             if (message is null) throw new ArgumentNullException(nameof(message));
 
-            byte[] msgBytes = Encoding.UTF8.GetBytes(message);
+            byte[] msgBytes = EncodedString.FromLiteralString(message);
             byte[] hashBytes = Hash(msgBytes);
-            return BitConverter.ToString(hashBytes).Replace("-", string.Empty);
+            return EncodedString.ToHexString(hashBytes);
         }
     }
 }

src/SKIT.FlurlHttpClient.Wechat.OpenAI/Utilities/__Internal/WxMsgCryptor.cs

@@ -233,7 +233,7 @@ namespace SKIT.FlurlHttpClient.Wechat.OpenAI.Utilities
             tmp.Sort(StringComparer.Ordinal);
 
             string rawText = string.Join(string.Empty, tmp);
-            string signText = SHA1Utility.Hash(rawText);
+            string signText = SHA1Utility.Hash(rawText)!;
             return signText.ToLower();
         }