Add crypto files

deps/cyclone/include/kdf/hkdf.h

@@ -0,0 +1,58 @@
+/**
+ * @file hkdf.h
+ * @brief HKDF (HMAC-based Key Derivation Function)
+ *
+ * @section License
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ *
+ * Copyright (C) 2010-2024 Oryx Embedded SARL. All rights reserved.
+ *
+ * This file is part of CycloneCRYPTO Open.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * @author Oryx Embedded SARL (www.oryx-embedded.com)
+ * @version 2.4.4
+ **/
+
+#ifndef _HKDF_H
+#define _HKDF_H
+
+//Dependencies
+#include "core/crypto.h"
+
+//C++ guard
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+//HKDF related functions
+error_t hkdf(const HashAlgo *hash, const uint8_t *ikm, size_t ikmLen,
+   const uint8_t *salt, size_t saltLen, const uint8_t *info, size_t infoLen,
+   uint8_t *okm, size_t okmLen);
+
+error_t hkdfExtract(const HashAlgo *hash, const uint8_t *ikm, size_t ikmLen,
+   const uint8_t *salt, size_t saltLen, uint8_t *prk);
+
+error_t hkdfExpand(const HashAlgo *hash, const uint8_t *prk, size_t prkLen,
+   const uint8_t *info, size_t infoLen, uint8_t *okm, size_t okmLen);
+
+//C++ guard
+#ifdef __cplusplus
+}
+#endif
+
+#endif