From 2162178cb7e209e9f060748842e1c4782a2ab852 Mon Sep 17 00:00:00 2001
From: vnugent <public@vaughnnugent.com>
Date: Sat, 17 Aug 2024 21:33:23 -0400
Subject: refactor: cipher utils update and simplify

---
 .../src/UnmanagedRandomSource.cs                   | 104 ---------------------
 1 file changed, 104 deletions(-)
 delete mode 100644 wrappers/dotnet/VNLib.Utils.Cryptography.Noscrypt/src/UnmanagedRandomSource.cs

(limited to 'wrappers/dotnet/VNLib.Utils.Cryptography.Noscrypt/src/UnmanagedRandomSource.cs')

diff --git a/wrappers/dotnet/VNLib.Utils.Cryptography.Noscrypt/src/UnmanagedRandomSource.cs b/wrappers/dotnet/VNLib.Utils.Cryptography.Noscrypt/src/UnmanagedRandomSource.cs
deleted file mode 100644
index 91ff64b..0000000
--- a/wrappers/dotnet/VNLib.Utils.Cryptography.Noscrypt/src/UnmanagedRandomSource.cs
+++ /dev/null
@@ -1,104 +0,0 @@
-// Copyright (C) 2024 Vaughn Nugent
-//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Affero General Public License as
-// published by the Free Software Foundation, either version 3 of the
-// License, or (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU Affero General Public License for more details.
-//
-// You should have received a copy of the GNU Affero General Public License
-// along with this program.  If not, see <https://www.gnu.org/licenses/>.
-
-using System;
-using System.Runtime.InteropServices;
-
-using VNLib.Utils;
-using VNLib.Utils.Native;
-using VNLib.Utils.Extensions;
-
-namespace VNLib.Utils.Cryptography.Noscrypt
-{
-
-    /// <summary>
-    /// A wrapper class for an unmanaged random source that conforms to the <see cref="IRandomSource"/> interface
-    /// </summary>
-    public class UnmanagedRandomSource : VnDisposeable, IRandomSource
-    {
-        /// <summary>
-        /// The explicit name of the unmanaged random function to get random bytes
-        /// </summary>
-        public const string RngFunctionName = "GetRandomBytes";
-
-        unsafe delegate void UnmanagedRandomSourceDelegate(byte* buffer, int size);
-
-        private readonly bool OwnsHandle;
-        private readonly SafeLibraryHandle _library;
-        private readonly UnmanagedRandomSourceDelegate _getRandomBytes;
-
-        /// <summary>
-        /// Loads the unmanaged random source from the given library 
-        /// and attempts to get the random bytes method <see cref="RngFunctionName"/>
-        /// </summary>
-        /// <param name="path"></param>
-        /// <param name="search"></param>
-        /// <returns>The wrapped library that conforms to the <see cref="IRandomSource"/></returns>
-        public static UnmanagedRandomSource LoadLibrary(string path, DllImportSearchPath search)
-        {
-            //Try to load the library
-            SafeLibraryHandle lib = SafeLibraryHandle.LoadLibrary(path, search);
-            try
-            {
-                return new UnmanagedRandomSource(lib, true);
-            }
-            catch
-            {
-                //release lib
-                lib.Dispose();
-                throw;
-            }
-        }
-
-        /// <summary>
-        /// Creates the unmanaged random source from the given library
-        /// </summary>
-        /// <param name="lib">The library handle to wrap</param>
-        /// <exception cref="ObjectDisposedException"></exception>
-        /// <exception cref="EntryPointNotFoundException"></exception>
-        public UnmanagedRandomSource(SafeLibraryHandle lib, bool ownsHandle)
-        {
-            lib.ThrowIfClosed();
-
-            _library = lib;
-
-            //get the method delegate
-            _getRandomBytes = lib.DangerousGetFunction<UnmanagedRandomSourceDelegate>(RngFunctionName);
-
-            OwnsHandle = ownsHandle;
-        }
-
-        ///<inheritdoc/>
-        public unsafe void GetRandomBytes(Span<byte> buffer)
-        {
-            _library.ThrowIfClosed();
-
-            //Fix buffer and call unmanaged method
-            fixed (byte* ptr = &MemoryMarshal.GetReference(buffer))
-            {
-                _getRandomBytes(ptr, buffer.Length);
-            }
-        }
-
-        ///<inheritdoc/>
-        protected override void Free()
-        {
-            if (OwnsHandle)
-            {
-                _library.Dispose();
-            }
-        }
-    }
-}
\ No newline at end of file
-- 
cgit