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mbedtls: Acquire lock before enabling MPI (RSA) hardware

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- For ESP32-S3
This commit is contained in:
Laukik Hase
2022-06-20 10:38:36 +05:30
parent 6c5fb29c2c
commit e114850dda
1 changed files with 5 additions and 0 deletions
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5
components/mbedtls/port/esp32s3/bignum.c
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@ -28,6 +28,7 @@
#include "soc/system_reg.h" #include "soc/system_reg.h"
#include "soc/periph_defs.h" #include "soc/periph_defs.h"
#include <sys/param.h> #include <sys/param.h>
#include "esp_crypto_lock.h"
size_t esp_mpi_hardware_words(size_t words) size_t esp_mpi_hardware_words(size_t words)
{ {
@ -36,6 +37,8 @@ size_t esp_mpi_hardware_words(size_t words)
void esp_mpi_enable_hardware_hw_op( void ) void esp_mpi_enable_hardware_hw_op( void )
{ {
esp_crypto_mpi_lock_acquire();
/* Enable RSA hardware */ /* Enable RSA hardware */
periph_module_enable(PERIPH_RSA_MODULE); periph_module_enable(PERIPH_RSA_MODULE);
@ -54,6 +57,8 @@ void esp_mpi_disable_hardware_hw_op( void )
/* Disable RSA hardware */ /* Disable RSA hardware */
periph_module_disable(PERIPH_RSA_MODULE); periph_module_disable(PERIPH_RSA_MODULE);
esp_crypto_mpi_lock_release();
} }