From 3dae0ddde5d67bab09cf65be4d25ecdeeb680dcb Mon Sep 17 00:00:00 2001
From: Einhornhool <26007369+Einhornhool@users.noreply.github.com>
Date: Tue, 28 Jan 2020 18:34:32 +0100
Subject: [PATCH] sys/auto_init: add security module and cryptoauth init

---
 sys/auto_init/Makefile                  |  4 +++
 sys/auto_init/auto_init.c               |  9 ++++++
 sys/auto_init/security/Makefile         |  3 ++
 sys/auto_init/security/auto_init_atca.c | 40 +++++++++++++++++++++++++
 4 files changed, 56 insertions(+)
 create mode 100644 sys/auto_init/security/Makefile
 create mode 100644 sys/auto_init/security/auto_init_atca.c

diff --git a/sys/auto_init/Makefile b/sys/auto_init/Makefile
index e14091c42d..5fedf1d828 100644
--- a/sys/auto_init/Makefile
+++ b/sys/auto_init/Makefile
@@ -22,4 +22,8 @@ ifneq (,$(filter auto_init_usbus,$(USEMODULE)))
   DIRS += usb
 endif
 
+ifneq (,$(filter auto_init_security,$(USEMODULE)))
+  DIRS += security
+endif
+
 include $(RIOTBASE)/Makefile.base
diff --git a/sys/auto_init/auto_init.c b/sys/auto_init/auto_init.c
index 5b7d842793..10efdf4d16 100644
--- a/sys/auto_init/auto_init.c
+++ b/sys/auto_init/auto_init.c
@@ -619,6 +619,15 @@ void auto_init(void)
     suit_init_conditions();
 #endif /* MODULE_SUIT */
 
+#ifdef MODULE_AUTO_INIT_SECURITY
+
+#ifdef MODULE_CRYPTOAUTHLIB
+    extern void auto_init_atca(void);
+    auto_init_atca();
+#endif  /* MODULE_CRYPTOAUTHLIB */
+
+#endif  /* MODULE_AUTO_INIT_SECURITY */
+
 #ifdef MODULE_TEST_UTILS_INTERACTIVE_SYNC
 #if !defined(MODULE_SHELL_COMMANDS) || !defined(MODULE_SHELL)
     test_utils_interactive_sync();
diff --git a/sys/auto_init/security/Makefile b/sys/auto_init/security/Makefile
new file mode 100644
index 0000000000..7c09373a3c
--- /dev/null
+++ b/sys/auto_init/security/Makefile
@@ -0,0 +1,3 @@
+MODULE = auto_init_security
+
+include $(RIOTBASE)/Makefile.base
diff --git a/sys/auto_init/security/auto_init_atca.c b/sys/auto_init/security/auto_init_atca.c
new file mode 100644
index 0000000000..41a4474027
--- /dev/null
+++ b/sys/auto_init/security/auto_init_atca.c
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2019 HAW Hamburg
+ *
+ * This file is subject to the terms and conditions of the GNU Lesser
+ * General Public License v2.1. See the file LICENSE in the top level
+ * directory for more details.
+ */
+
+/**
+ * @ingroup     sys_auto_init
+ * @{
+ * @file
+ * @brief       Initializes cryptoauth devices
+ *
+ * @author      Lena Boeckmann <lena.boeckmann@haw-hamburg.de>
+ * @}
+ */
+
+#ifdef MODULE_CRYPTOAUTHLIB
+#include "log.h"
+#include "atca.h"
+#include "atca_params.h"
+
+#define ENABLE_DEBUG                (0)
+#include "debug.h"
+
+#define ATCA_NUMOF (ARRAY_SIZE(atca_params))
+
+void auto_init_atca(void)
+{
+    for (unsigned i = 0; i < ATCA_NUMOF; i++) {
+        if (atcab_init((ATCAIfaceCfg *)&atca_params[i]) != ATCA_SUCCESS) {
+            LOG_ERROR("[auto_init_atca] error initializing cryptoauth device #%u\n", i);
+            continue;
+        }
+    }
+}
+#else
+typedef int dont_be_pedantic;
+#endif