started implementation of libstrongswan code integrity check

src/libstrongswan/fips/fips.h

@@ -0,0 +1,46 @@
+/**
+ * @file fips.h
+ * 
+ * @brief Interface of the libstrongswan integrity test
+ *
+ * @ingroup fips
+ */
+
+/*
+ * Copyright (C) 2007 Bruno Krieg, Daniel Wydler
+ * Hochschule fuer Technik Rapperswil
+ *
+ * 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.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * 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.
+ */
+
+#ifndef FIPS_H_
+#define FIPS_H_
+
+#include <library.h>
+
+/**
+ * @brief compute SHA-1 HMAC signature over RODATA and TEXT sections of libstrongswan
+ *
+ * @param  key		key used for SHA-1 HMAC signature in string format
+ * @return 		SHA-1 HMAC signature in HEX format
+ */
+char* fips_compute_hmac_signature(const char *key);
+
+/**
+ * @brief verify HMAC signature over RODATA and TEXT sections of libstrongswan
+ *
+ * @param  signature	signature value from fips_hmac.h in HEX format
+ * @param  key		key used for SHA-1 HMAC signature in string format
+ * @return		SUCCESS if signatures agree
+ */
+status_t fips_verify_hmac_signature(const char *signature, const char *key);
+
+#endif /*FIPS_H_*/