Diff: simple-mbed-cloud-client/pal_plat_rot_insecure.cpp

Revision:

0:6b753f761943

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/simple-mbed-cloud-client/pal_plat_rot_insecure.cpp	Fri Oct 12 21:22:49 2018 +0000
@@ -0,0 +1,52 @@
+// ----------------------------------------------------------------------------
+// Copyright 2016-2018 ARM Ltd.
+//
+// SPDX-License-Identifier: Apache-2.0
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+// ----------------------------------------------------------------------------
+
+#include "pal_plat_rtos.h"
+
+#define PAL_DEVICE_KEY_SIZE_IN_BYTES 16
+
+//THIS CODE IS FOR TESTING PURPOSES ONLY. DO NOT USE IN PRODUCTION ENVIRONMENTS. REPLACE WITH A PROPER IMPLEMENTATION BEFORE USE
+palStatus_t  __attribute__((weak)) pal_plat_osGetRoT128Bit(uint8_t *keyBuf, size_t keyLenBytes)
+{
+#if defined (__CC_ARM)          /* ARM compiler. */
+    #warning("PAL_INSECURE- You are using insecure Root Of Trust implementation, DO NOT USE IN PRODUCTION ENVIRONMENTS. REPLACE WITH A PROPER IMPLEMENTATION BEFORE USE")
+#else
+    #pragma message ("You are using insecure Root Of Trust implementation, DO NOT USE IN PRODUCTION ENVIRONMENTS. REPLACE WITH A PROPER IMPLEMENTATION BEFORE USE")
+#endif
+    static bool runOnce = true;
+    if (runOnce) {
+
+        PAL_LOG(WARN, "You are using insecure Root Of Trust implementation");
+        runOnce = false;
+    }
+
+    if (keyLenBytes < PAL_DEVICE_KEY_SIZE_IN_BYTES)	{
+        return PAL_ERR_BUFFER_TOO_SMALL;
+    }
+
+    if (NULL == keyBuf) {
+        return PAL_ERR_NULL_POINTER;
+    }
+
+    for (int i=0; i < PAL_DEVICE_KEY_SIZE_IN_BYTES; i++) {
+        keyBuf[i] = i;
+    }
+
+    return PAL_SUCCESS;
+}
+