mirror of https://github.com/ARMmbed/mbed-os.git
37 lines
1.1 KiB
C++
37 lines
1.1 KiB
C++
/* mbed Microcontroller Library
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* Copyright (c) 2016 ARM Limited
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#if DEVICE_TRNG
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#include "hal/trng_api.h"
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#include "platform/SingletonPtr.h"
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#include "platform/PlatformMutex.h"
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SingletonPtr<PlatformMutex> mbedtls_mutex;
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extern "C"
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int mbedtls_hardware_poll( void *data, unsigned char *output, size_t len, size_t *olen ) {
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trng_t trng_obj;
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mbedtls_mutex->lock();
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trng_init(&trng_obj);
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int ret = trng_get_bytes(&trng_obj, output, len, olen);
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trng_free(&trng_obj);
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mbedtls_mutex->unlock();
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return ret;
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}
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#endif
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