Diff: nordic-sdk/components/drivers_nrf/hal/nrf_ecb.c

Revision:

387:b13ab9a7ddb9

Parent:

386:3253b512fb24

Child:

388:db85a09c27ef

diff -r 3253b512fb24 -r b13ab9a7ddb9 nordic-sdk/components/drivers_nrf/hal/nrf_ecb.c
--- a/nordic-sdk/components/drivers_nrf/hal/nrf_ecb.c	Tue Jul 21 13:23:43 2015 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,92 +0,0 @@
-/*
- * Copyright (c) Nordic Semiconductor ASA
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without modification,
- * are permitted provided that the following conditions are met:
- *
- *   1. Redistributions of source code must retain the above copyright notice, this
- *   list of conditions and the following disclaimer.
- *
- *   2. Redistributions in binary form must reproduce the above copyright notice, this
- *   list of conditions and the following disclaimer in the documentation and/or
- *   other materials provided with the distribution.
- *
- *   3. Neither the name of Nordic Semiconductor ASA nor the names of other
- *   contributors to this software may be used to endorse or promote products
- *   derived from this software without specific prior written permission.
- *
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
- * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-/** 
- * @file
- * @brief Implementation of AES ECB driver
- */
-
-
-//lint -e438
-
-#include <stdlib.h>
-#include <stdbool.h>
-#include <string.h>
-#include "nrf.h" 
-#include "nrf_ecb.h"
-
-static uint8_t  ecb_data[48];   ///< ECB data structure for RNG peripheral to access.
-static uint8_t* ecb_key;        ///< Key:        Starts at ecb_data 
-static uint8_t* ecb_cleartext;  ///< Cleartext:  Starts at ecb_data + 16 bytes.
-static uint8_t* ecb_ciphertext; ///< Ciphertext: Starts at ecb_data + 32 bytes.
-
-bool nrf_ecb_init(void)
-{
-  ecb_key = ecb_data;
-  ecb_cleartext  = ecb_data + 16;
-  ecb_ciphertext = ecb_data + 32;
-
-  NRF_ECB->ECBDATAPTR = (uint32_t)ecb_data;
-  return true;
-}
-
-
-bool nrf_ecb_crypt(uint8_t * dest_buf, const uint8_t * src_buf)
-{
-   uint32_t counter = 0x1000000;
-   if(src_buf != ecb_cleartext)
-   {
-     memcpy(ecb_cleartext,src_buf,16);
-   }
-   NRF_ECB->EVENTS_ENDECB = 0;
-   NRF_ECB->TASKS_STARTECB = 1;
-   while(NRF_ECB->EVENTS_ENDECB == 0)
-   {
-    counter--;
-    if(counter == 0)
-    {
-      return false;
-    }
-   }
-   NRF_ECB->EVENTS_ENDECB = 0;
-   if(dest_buf != ecb_ciphertext)
-   {
-     memcpy(dest_buf,ecb_ciphertext,16);
-   }
-   return true;
-}
-
-void nrf_ecb_set_key(const uint8_t * key)
-{
-  memcpy(ecb_key,key,16);
-}
-