investigating UART crash

Dependencies:   mbed LoRaWAN-lib_publishing_testing_UART_bug SingleFrequencyLora

Fork of simple-demo-76_revised_20171113 by Christopher De Bank

Revision:
1:352f608c3337
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/system/crypto/cmac.h	Thu Nov 26 12:59:52 2015 +0000
@@ -0,0 +1,63 @@
+/**************************************************************************
+Copyright (C) 2009 Lander Casado, Philippas Tsigas
+
+All rights reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files 
+(the "Software"), to deal with the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish, 
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions: 
+
+Redistributions of source code must retain the above copyright notice, 
+this list of conditions and the following disclaimers. Redistributions in
+binary form must reproduce the above copyright notice, this list of
+conditions and the following disclaimers in the documentation and/or 
+other materials provided with the distribution.
+
+In no event shall the authors or copyright holders be liable for any special,
+incidental, indirect or consequential damages of any kind, or any damages 
+whatsoever resulting from loss of use, data or profits, whether or not 
+advised of the possibility of damage, and on any theory of liability, 
+arising out of or in connection with the use or performance of this software.
+ 
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+CONTRIBUTORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 
+DEALINGS WITH THE SOFTWARE
+
+*****************************************************************************/
+
+#ifndef _CMAC_H_
+#define _CMAC_H_
+
+#include "aes.h" 
+  
+#define AES_CMAC_KEY_LENGTH     16
+#define AES_CMAC_DIGEST_LENGTH  16
+ 
+typedef struct _AES_CMAC_CTX {
+            aes_context    rijndael;
+            uint8_t        X[16];
+            uint8_t        M_last[16];
+            uint32_t       M_n;
+    } AES_CMAC_CTX;
+   
+//#include <sys/cdefs.h>
+    
+//__BEGIN_DECLS
+void     AES_CMAC_Init(AES_CMAC_CTX * ctx);
+void     AES_CMAC_SetKey(AES_CMAC_CTX * ctx, const uint8_t key[AES_CMAC_KEY_LENGTH]);
+void     AES_CMAC_Update(AES_CMAC_CTX * ctx, const uint8_t * data, uint32_t len);
+          //          __attribute__((__bounded__(__string__,2,3)));
+void     AES_CMAC_Final(uint8_t digest[AES_CMAC_DIGEST_LENGTH], AES_CMAC_CTX  * ctx);
+            //     __attribute__((__bounded__(__minbytes__,1,AES_CMAC_DIGEST_LENGTH)));
+//__END_DECLS
+
+#endif /* _CMAC_H_ */
+