[WebAuthn] Add WebAuthn API (#6311)

[WebAuthn] Add WebAuthn module and public API

Provide the implementation and documentation for the public API of the
WebAuthn module implementing the passkey functionality.

Co-authored-by: Piotr Szydełko <[email protected]>

src/Tizen.Security.WebAuthn/Interop/Interop.Libweabuthn.cs

@@ -0,0 +1,49 @@
+/*
+ *  Copyright (c) 2024 Samsung Electronics Co., Ltd All Rights Reserved
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License
+ */
+
+using System;
+using System.Runtime.InteropServices;
+
+internal static partial class Interop
+{
+    internal static partial class Libraries
+    {
+        public const string Libwebauthn = "libwebauthn-client.so.1";
+    }
+
+    internal static partial class Libwebauthn
+    {
+        [DllImport(Libraries.Libwebauthn, EntryPoint = "wauthn_set_api_version", CallingConvention = CallingConvention.Cdecl)]
+        public static extern int SetApiVersion(int apiVersionNumber);
+        // int wauthn_set_api_version(int api_version_number);
+
+        [DllImport(Libraries.Libwebauthn, EntryPoint = "wauthn_supported_authenticators", CallingConvention = CallingConvention.Cdecl)]
+        public static extern int SupportedAuthenticators(out uint supported);
+        // int wauthn_supported_authenticators(unsigned int *supported);
+
+        [DllImport(Libraries.Libwebauthn, EntryPoint = "wauthn_make_credential", CallingConvention = CallingConvention.Cdecl)]
+        public static extern int MakeCredential([In] WauthnClientData clientData, [In] WauthnPubkeyCredCreationOptions options, [In, Out] WauthnMcCallbacks callbacks);
+        // int wauthn_make_credential( const wauthn_client_data_s *client_data, const wauthn_pubkey_cred_creation_options_s *options, wauthn_mc_callbacks_s *callbacks);
+
+        [DllImport(Libraries.Libwebauthn, EntryPoint = "wauthn_get_assertion", CallingConvention = CallingConvention.Cdecl)]
+        public static extern int GetAssertion([In] WauthnClientData clientData, [In] WauthnPubkeyCredRequestOptions options, [In, Out] WauthnGaCallbacks callbacks);
+        // int wauthn_get_assertion( const wauthn_client_data_s *client_data, const wauthn_pubkey_cred_request_options_s *options, wauthn_ga_callbacks_s *callbacks);
+
+        [DllImport(Libraries.Libwebauthn, EntryPoint = "wauthn_cancel", CallingConvention = CallingConvention.Cdecl)]
+        public static extern int Cancel();
+        // int wauthn_cancel();
+    }
+}