ESP-IDF
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Outline
#include "hal/mpi_hal.h"
#include "hal/mpi_ll.h"
#include "sdkconfig.h"
mpi_hal_calc_hardware_words(size_t)
mpi_hal_enable_hardware_hw_op()
mpi_hal_disable_hardware_hw_op()
mpi_hal_interrupt_enable(bool)
mpi_hal_clear_interrupt()
mpi_hal_set_mode(size_t)
mpi_hal_write_to_mem_block(mpi_param_t, size_t, const uint32_t *, size_t, size_t)
mpi_hal_write_at_offset(mpi_param_t, int, uint32_t)
mpi_hal_write_m_prime(uint32_t)
mpi_hal_write_rinv(uint32_t)
mpi_hal_start_op(mpi_op_t)
mpi_hal_wait_op_complete()
mpi_hal_read_result_hw_op(uint32_t *, size_t, size_t)
Files
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SourceVuESP-IDF Framework and ExamplesESP-IDFcomponents/hal/mpi_hal.c
 
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/* * SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD * * SPDX-License-Identifier: Apache-2.0 *//* ... */ #include "hal/mpi_hal.h" #include "hal/mpi_ll.h" #include "sdkconfig.h" size_t mpi_hal_calc_hardware_words(size_t words) { return mpi_ll_calculate_hardware_words(words); }{ ... } void mpi_hal_enable_hardware_hw_op(void) { mpi_ll_power_up(); while (mpi_ll_check_memory_init_complete()) { }{...} // Note: from enabling RSA clock to here takes about 1.3us #if !CONFIG_IDF_TARGET_ESP32 mpi_ll_disable_interrupt(); #endif }{ ... } void mpi_hal_disable_hardware_hw_op(void) { mpi_ll_power_down(); }{ ... } void mpi_hal_interrupt_enable(bool enable) { if (enable){ mpi_ll_enable_interrupt(); }{...} else { mpi_ll_disable_interrupt(); }{...} }{ ... } void mpi_hal_clear_interrupt(void) { mpi_ll_clear_interrupt(); }{ ... } void mpi_hal_set_mode(size_t num_words) { mpi_ll_set_mode(num_words); }{ ... } void mpi_hal_write_to_mem_block(mpi_param_t param, size_t offset, const uint32_t* p, size_t n, size_t num_words) { mpi_ll_write_to_mem_block(param, offset, p, n, num_words); }{ ... } void mpi_hal_write_at_offset(mpi_param_t param, int offset, uint32_t value) { mpi_ll_write_at_offset(param, offset, value); }{ ... } void mpi_hal_write_m_prime(uint32_t Mprime) { mpi_ll_write_m_prime(Mprime); }{ ... } void mpi_hal_write_rinv(uint32_t rinv) { mpi_ll_write_rinv(rinv); }{ ... } // Acceleration options #if !CONFIG_IDF_TARGET_ESP32 void mpi_hal_enable_constant_time(bool enable) { if (enable){ mpi_ll_enable_constant_time(); }{...} else { mpi_ll_disable_constant_time(); }{...} }{...} void mpi_hal_enable_search(bool enable) { if (enable){ mpi_ll_enable_search(); }{...} else { mpi_ll_disable_search(); }{...} }{...} void mpi_hal_set_search_position(size_t position) { mpi_ll_set_search_position(position); }{...} /* ... */#endif /* !CONFIG_IDF_TARGET_ESP32 */ /* Begin an RSA operation. *//* ... */ void mpi_hal_start_op(mpi_op_t op) { /* Clear interrupt status */ mpi_hal_clear_interrupt(); mpi_ll_start_op(op); }{ ... } /* Wait for an RSA operation to complete. *//* ... */ void mpi_hal_wait_op_complete(void) { while (mpi_ll_get_int_status()) { }{...} /* Clear interrupt status */ mpi_hal_clear_interrupt(); }{ ... } void mpi_hal_read_result_hw_op(uint32_t* p, size_t n, size_t z_words) { /* Wait for an RSA operation to complete. */ mpi_hal_wait_op_complete(); mpi_ll_read_from_mem_block(p, n, z_words); }{ ... }
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