esp_crypto_lock.c 884 B

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  1. // Copyright 2015-2020 Espressif Systems (Shanghai) PTE LTD
  2. //
  3. // Licensed under the Apache License, Version 2.0 (the "License");
  4. // you may not use this file except in compliance with the License.
  5. // You may obtain a copy of the License at
  6. // http://www.apache.org/licenses/LICENSE-2.0
  7. //
  8. // Unless required by applicable law or agreed to in writing, software
  9. // distributed under the License is distributed on an "AS IS" BASIS,
  10. // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  11. // See the License for the specific language governing permissions and
  12. // limitations under the License.
  13. #include <sys/lock.h>
  14. #include "esp_crypto_lock.h"
  15. /* Single lock for SHA engine
  16. */
  17. static _lock_t s_crypto_lock;
  18. void esp_crypto_lock_acquire(void)
  19. {
  20. _lock_acquire(&s_crypto_lock);
  21. }
  22. void esp_crypto_lock_release(void)
  23. {
  24. _lock_release(&s_crypto_lock);
  25. }