first commit

2026-09-02 16:31:50 +08:00
commit a461727193
911 changed files with 692450 additions and 0 deletions
@@ -0,0 +1,38 @@
+using System.Runtime.InteropServices;
+using System.Security;
+
+namespace System
+{
+    [SuppressUnmanagedCodeSecurity]
+    public static class SecureStringExtensions
+    {
+        public static string AsString(this SecureString @this)
+        {
+            if (@this == null || @this.Length == 0)
+                return string.Empty;
+
+            IntPtr bstr = IntPtr.Zero;
+            try
+            {
+                bstr = Marshal.SecureStringToBSTR(@this);
+                return Marshal.PtrToStringBSTR(bstr);
+            }
+            finally
+            {
+                if (bstr != IntPtr.Zero)
+                    Marshal.ZeroFreeBSTR(bstr);
+            }
+        }
+
+        public static SecureString AsSecureString(this string @this)
+        {
+            if (string.IsNullOrEmpty(@this))
+                return new SecureString();
+
+            var secureString = new SecureString();
+            Array.ForEach(@this.ToCharArray(), secureString.AppendChar);
+
+            return secureString;
+        }
+    }
+}