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Dependents: TYBLE16_simple_data_logger TYBLE16_MP3_Air
mbed_trng.cpp
00001 /* mbed Microcontroller Library 00002 * Copyright (c) 2016 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 00017 #if DEVICE_TRNG 00018 00019 #include "hal/trng_api.h" 00020 #include "platform/SingletonPtr.h" 00021 #include "platform/PlatformMutex.h" 00022 00023 SingletonPtr<PlatformMutex> mbedtls_mutex; 00024 00025 extern "C" 00026 int mbedtls_hardware_poll( void *data, unsigned char *output, size_t len, size_t *olen ) { 00027 trng_t trng_obj; 00028 mbedtls_mutex->lock(); 00029 trng_init(&trng_obj); 00030 int ret = trng_get_bytes(&trng_obj, output, len, olen); 00031 trng_free(&trng_obj); 00032 mbedtls_mutex->unlock(); 00033 return ret; 00034 } 00035 00036 #endif
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