EntropySource.cpp

00001 /* mbed Microcontroller Library
00002  * Copyright (c) 2006-2015 ARM Limited
00003  *
00004  * Licensed under the Apache License, Version 2.0 (the "License");
00005  * you may not use this file except in compliance with the License.
00006  * You may obtain a copy of the License at
00007  *
00008  *     http://www.apache.org/licenses/LICENSE-2.0
00009  *
00010  * Unless required by applicable law or agreed to in writing, software
00011  * distributed under the License is distributed on an "AS IS" BASIS,
00012  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00013  * See the License for the specific language governing permissions and
00014  * limitations under the License.
00015  */
00016 #include "EntropySource.h"
00017 
00018 #if !defined(TARGET_NRF51822) && !defined(TARGET_MCU_NRF52832) /* Persistent storage supported on nrf51 platforms */
00019     /**
00020      * When not using an nRF51-based target then entropy source is currently unimplemented.
00021      */
00022     #error "INSECURE CONFIGURATION - YOU MUST IMPLEMENT AN ENTROPY SOURCE"
00023 
00024     int eddystoneRegisterEntropySource( mbedtls_entropy_context* ctx) { 
00025       return 1;
00026     }
00027 
00028     int eddystoneEntropyPoll( void *data,
00029                         unsigned char *output, size_t len, size_t *olen )
00030     {
00031         return( 1 );
00032     }
00033 #endif /* #ifdef TARGET_NRF51822 */