535.86.05

kernel-open/nvidia/libspdm_hkdf_sha.c

@@ -0,0 +1,111 @@
+/*
+* SPDX-FileCopyrightText: Copyright (c) 2023 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.
+*
+* 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 "internal_crypt_lib.h"
+
+bool libspdm_hkdf_sha256_extract_and_expand(const uint8_t *key, size_t key_size,
+                                            const uint8_t *salt, size_t salt_size,
+                                            const uint8_t *info, size_t info_size,
+                                            uint8_t *out, size_t out_size)
+{
+    return lkca_hkdf_extract_and_expand("hmac(sha256)", key, key_size,
+                                           salt, salt_size, info, info_size,
+                                           out, out_size);
+}
+
+bool libspdm_hkdf_sha256_extract(const uint8_t *key, size_t key_size,
+                                 const uint8_t *salt, size_t salt_size,
+                                 uint8_t *prk_out, size_t prk_out_size)
+{
+    if (prk_out_size != (256 / 8))
+        return false;
+
+    return libspdm_hmac_sha256_all(key, key_size, salt, salt_size, prk_out);
+}
+
+bool libspdm_hkdf_sha256_expand(const uint8_t *prk, size_t prk_size,
+                                const uint8_t *info, size_t info_size,
+                                uint8_t *out, size_t out_size)
+{
+    return lkca_hkdf_expand("hmac(sha256)", prk, prk_size, info, info_size,
+                          out, out_size);
+}
+
+bool libspdm_hkdf_sha384_extract_and_expand(const uint8_t *key, size_t key_size,
+                                            const uint8_t *salt, size_t salt_size,
+                                            const uint8_t *info, size_t info_size,
+                                            uint8_t *out, size_t out_size)
+{
+    return lkca_hkdf_extract_and_expand("hmac(sha384)", key, key_size,
+                                        salt, salt_size, info, info_size,
+                                        out, out_size);
+}
+
+bool libspdm_hkdf_sha384_extract(const uint8_t *key, size_t key_size,
+                                 const uint8_t *salt, size_t salt_size,
+                                 uint8_t *prk_out, size_t prk_out_size)
+{
+        if (prk_out_size != (384 / 8))
+            return false;
+
+        return libspdm_hmac_sha384_all(key, key_size, salt, salt_size, prk_out);
+}
+
+bool libspdm_hkdf_sha384_expand(const uint8_t *prk, size_t prk_size,
+                                const uint8_t *info, size_t info_size,
+                                uint8_t *out, size_t out_size)
+{
+    return lkca_hkdf_expand("hmac(sha384)", prk, prk_size, info, info_size,
+                          out, out_size);
+}
+
+bool libspdm_hkdf_sha512_extract_and_expand(const uint8_t *key, size_t key_size,
+                                            const uint8_t *salt, size_t salt_size,
+                                            const uint8_t *info, size_t info_size,
+                                            uint8_t *out, size_t out_size)
+{
+    return lkca_hkdf_extract_and_expand("hmac(sha512)", key, key_size,
+                                        salt, salt_size, info, info_size, out,
+                                        out_size);
+}
+
+bool libspdm_hkdf_sha512_extract(const uint8_t *key, size_t key_size,
+                                 const uint8_t *salt, size_t salt_size,
+                                 uint8_t *prk_out, size_t prk_out_size)
+{
+    if (prk_out_size != (512 / 8))
+        return false;
+
+    return libspdm_hmac_sha512_all(key, key_size, salt, salt_size, prk_out);
+}
+
+bool libspdm_hkdf_sha512_expand(const uint8_t *prk, size_t prk_size,
+                                const uint8_t *info, size_t info_size,
+                                uint8_t *out, size_t out_size)
+{
+    return lkca_hkdf_expand("hmac(sha512)", prk, prk_size, info, info_size,
+                            out, out_size);
+}