moved some files

thirdparty/libcsp/include/csp/crypto/csp_hmac.h

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+/*
+Cubesat Space Protocol - A small network-layer protocol designed for Cubesats
+Copyright (C) 2012 GomSpace ApS (http://www.gomspace.com)
+Copyright (C) 2012 AAUSAT3 Project (http://aausat3.space.aau.dk)
+
+This library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Lesser General Public
+License as published by the Free Software Foundation; either
+version 2.1 of the License, or (at your option) any later version.
+
+This library 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
+Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public
+License along with this library; if not, write to the Free Software
+Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#ifndef _CSP_HMAC_H_
+#define _CSP_HMAC_H_
+
+#include <csp/csp_types.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define CSP_HMAC_LENGTH	4
+
+/**
+ * Append HMAC to packet
+ * @param packet Pointer to packet
+ * @param include_header use header in hmac calculation (this will not modify the flags field)
+ * @return 0 on success, negative on failure
+ */
+int csp_hmac_append(csp_packet_t * packet, bool include_header);
+
+/**
+ * Verify HMAC of packet
+ * @param packet Pointer to packet
+ * @param include_header use header in hmac calculation (this will not modify the flags field)
+ * @return 0 on success, negative on failure
+ */
+int csp_hmac_verify(csp_packet_t * packet, bool include_header);
+
+/**
+ * Calculate HMAC on buffer
+ *
+ * This function is used by append/verify but cal also be called separately.
+ * @param key HMAC key
+ * @param keylen HMAC key length
+ * @param data pointer to data
+ * @param datalen lehgth of data
+ * @param hmac output HMAC calculation (CSP_HMAC_LENGTH)
+ * @return 0 on success, negative on failure
+ */
+int csp_hmac_memory(const uint8_t * key, uint32_t keylen, const uint8_t * data, uint32_t datalen, uint8_t * hmac);
+
+/**
+ * Save a copy of the key string for use by the append/verify functions
+ * @param key HMAC key
+ * @param keylen HMAC key length
+ * @return Always returns 0
+ */
+int csp_hmac_set_key(char * key, uint32_t keylen);
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif // _CSP_HMAC_H_