enhance: get email hash code opimization (#1137)

qiufengshe · love-linger · commit 07d99f5fd28c · 2025-03-31T09:22:57.000+08:00
(cherry picked from commit 839b92a)
diff --git a/src/Models/AvatarManager.cs b/src/Models/AvatarManager.cs
@@ -1,4 +1,4 @@
-﻿using System;
+using System;
 using System.Collections.Generic;
 using System.Globalization;
 using System.IO;
@@ -196,8 +196,8 @@ private void LoadDefaultAvatar(string key, string img)
         private string GetEmailHash(string email)
         {
             var lowered = email.ToLower(CultureInfo.CurrentCulture).Trim();
-            var hash = MD5.Create().ComputeHash(Encoding.Default.GetBytes(lowered));
-            var builder = new StringBuilder();
+            var hash = MD5.HashData(Encoding.Default.GetBytes(lowered).AsSpan());
+            var builder = new StringBuilder(hash.Length * 2);
             foreach (var c in hash)
                 builder.Append(c.ToString("x2"));
             return builder.ToString();
