560.28.03

kernel-open/nvidia/libspdm_internal_crypt_lib.c

@@ -0,0 +1,42 @@
+/*
+* SPDX-FileCopyrightText: Copyright (c) 2024 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+* SPDX-License-Identifier: MIT
+*
+* Permission is hereby granted, free of charge, to any person obtaining a
+* copy of this software and associated documentation files (the "Software"),
+* to deal in the Software without restriction, including without limitation
+* the rights to use, copy, modify, merge, publish, distribute, sublicense,
+* and/or sell copies of the Software, and to permit persons to whom the
+* Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in
+* all copies or substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+* DEALINGS IN THE SOFTWARE.
+*
+* Comments, prototypes and checks taken from DMTF: Copyright 2021-2022 DMTF. All rights reserved.
+* License: BSD 3-Clause License. For full text see link: https://github.com/DMTF/libspdm/blob/main/LICENSE.md
+*/
+
+#include "os-interface.h"
+#include "internal_crypt_lib.h"
+#include "library/cryptlib.h"
+
+bool libspdm_check_crypto_backend(void)
+{
+#ifdef USE_LKCA
+    nv_printf(NV_DBG_INFO, "libspdm_check_crypto_backend: LKCA wrappers found.\n");
+    nv_printf(NV_DBG_INFO, "libspdm_check_crypto_backend: LKCA calls may still fail if modules have not been loaded!\n");
+    return true;
+#else
+    nv_printf(NV_DBG_ERRORS, "libspdm_check_crypto_backend: Error - libspdm expects LKCA but found stubs!\n");
+    return false;
+#endif
+}
+