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lib/crypt/lib_crypt_le1.c

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00001 /* Copyright (c) 2009 Nordic Semiconductor. All Rights Reserved.
00002  *
00003  * The information contained herein is confidential property of Nordic 
00004  * Semiconductor ASA.Terms and conditions of usage are described in detail 
00005  * in NORDIC SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT. 
00006  *
00007  * Licensees are granted free, non-transferable use of the information. NO
00008  * WARRENTY of ANY KIND is provided. This heading must NOT be removed from
00009  * the file.
00010  *              
00011  * $LastChangedRevision: 133 $
00012  */
00013 
00018  //lint -e714
00019  
00020 #include "hal_rng.h"
00021 
00022 void lib_crypt_generate_ls5b(uint8_t * dest_buf)
00023 { 
00024   uint8_t i; 
00025   hal_rng_power_up(true);
00026 
00027   for(i=0;i<5;i++)
00028     {   
00029     while(!hal_rng_data_ready())
00030     {}  
00031     dest_buf[i] = hal_rng_read();
00032     } 
00033   
00034   hal_rng_power_up(false);
00035 }
00036     

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