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Merge pull request #13614 from Staars/patch-2
port ESP32-HomeKit to ESP32-C3
This commit is contained in:
Theo Arends
GitHub
commit
9a7928c81a
@ -35,12 +35,12 @@ extern "C"{
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#define ESP_MFI_DEBUG_FL "\n"
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#define CONFIG_ESP_MFI_DEBUG_ENABLE
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#ifdef CONFIG_ESP_MFI_DEBUG_ENABLE
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#define ESP_MFI_DEBUG_ENABLE
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// #define ESP_MFI_DEBUG_ENABLE
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#endif /* CONFIG_ESP_MFI_DEBUG_ENABLE */
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#define CONFIG_ESP_MFI_ASSERT
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#ifdef CONFIG_ESP_MFI_ASSERT
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#define ESP_MFI_ASSERT_ENABLE
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// #define ESP_MFI_ASSERT_ENABLE
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#endif /* CONFIG_ESP_MFI_ASSERT */
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#define CONFIG_MFI_DEBUG_LEVEL_INIT 0
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@ -13,68 +13,8 @@
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// limitations under the License.
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#pragma once
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#include_next "mbedtls/bignum.h"
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#include "sdkconfig.h"
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/**
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* This is a wrapper for the main mbedtls/bignum.h. This wrapper
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* provides a few additional ESP32-only functions.
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*
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* This is because we don't set MBEDTLS_BIGNUM_ALT in the same way we
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* do for AES, SHA, etc. Because we still use most of the bignum.h
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* implementation and just replace a few hardware accelerated
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* functions (see MBEDTLS_MPI_EXP_MOD_ALT & MBEDTLS_MPI_MUL_MPI_ALT in
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* esp_config.h).
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*
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* @note Unlike the other hardware accelerator support functions in esp32/hwcrypto, there is no
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* generic "hwcrypto/bignum.h" header for using these functions without mbedTLS. The reason for this
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* is that all of the function implementations depend strongly upon the mbedTLS MPI implementation.
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*/
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/**
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* @brief Lock access to RSA Accelerator (MPI/bignum operations)
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*
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* RSA Accelerator hardware unit can only be used by one
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* consumer at a time.
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*
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* @note This function is non-recursive (do not call it twice from the
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* same task.)
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*
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* @note You do not need to call this if you are using the mbedTLS bignum.h
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* API or esp_mpi_xxx functions. This function is only needed if you
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* want to call ROM RSA functions or access the registers directly.
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*
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*/
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void esp_mpi_acquire_hardware(void);
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/**
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* @brief Unlock access to RSA Accelerator (MPI/bignum operations)
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*
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* Has to be called once for each call to esp_mpi_acquire_hardware().
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*
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* @note You do not need to call this if you are using the mbedTLS bignum.h
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* API or esp_mpi_xxx functions. This function is only needed if you
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* want to call ROM RSA functions or access the registers directly.
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*/
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void esp_mpi_release_hardware(void);
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//#if CONFIG_MBEDTLS_HARDWARE_MPI
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/* @brief MPI modular mupltiplication function
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*
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* Calculates Z = (X * Y) mod M using MPI hardware acceleration.
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*
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* This is not part of the standard mbedTLS bignum API.
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*
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* @note All of X, Y & Z should be less than 4096 bit long or an error is returned.
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*
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* @param Z Result bignum, should be pre-initialised with mbedtls_mpi_init().
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* @param X First multiplication argument.
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* @param Y Second multiplication argument.
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* @param M Modulus value for result.
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*
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* @return 0 on success, mbedTLS MPI error codes on failure.
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*/
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int esp_mpi_mul_mpi_mod(mbedtls_mpi *Z, const mbedtls_mpi *X, const mbedtls_mpi *Y, const mbedtls_mpi *M);
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//#endif // CONFIG_MBEDTLS_HARDWARE_MPI
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#if CONFIG_IDF_TARGET_ESP32
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#include "bignum_ESP32.h"
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#elif CONFIG_IDF_TARGET_ESP32C3
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#include "bignum_ESP32_C3.h"
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#endif
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@ -21,6 +21,7 @@
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*
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*/
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#if CONFIG_IDF_TARGET_ESP32
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#if __has_include("esp_idf_version.h")
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#include "esp_idf_version.h"
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#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(4, 0, 0)
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@ -35,6 +36,9 @@
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#include "bignum_impl.h"
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#include <sys/param.h>
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#include <sys/lock.h>
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#if CONFIG_IDF_TARGET_ESP32C3
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#include "esp32c3/dport_access.h"
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#endif
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static _lock_t mpi_lock;
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@ -284,3 +288,4 @@ void esp_mpi_mult_mpi_failover_mod_mult_hw_op(const mbedtls_mpi *X, const mbedtl
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start_op(RSA_MULT_START_REG);
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}
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#endif //CONFIG_IDF_TARGET_ESP32
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82
lib/libesp32_div/ESP32-HomeKit/src/port/bignum_ESP32.h
Normal file
82
lib/libesp32_div/ESP32-HomeKit/src/port/bignum_ESP32.h
Normal file
@ -0,0 +1,82 @@
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// Copyright 2015-2020 Espressif Systems (Shanghai) PTE LTD
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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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// 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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#if CONFIG_IDF_TARGET_ESP32
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#pragma once
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#include_next "mbedtls/bignum.h"
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#include "sdkconfig.h"
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/**
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* This is a wrapper for the main mbedtls/bignum.h. This wrapper
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* provides a few additional ESP32-only functions.
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*
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* This is because we don't set MBEDTLS_BIGNUM_ALT in the same way we
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* do for AES, SHA, etc. Because we still use most of the bignum.h
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* implementation and just replace a few hardware accelerated
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* functions (see MBEDTLS_MPI_EXP_MOD_ALT & MBEDTLS_MPI_MUL_MPI_ALT in
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* esp_config.h).
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*
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* @note Unlike the other hardware accelerator support functions in esp32/hwcrypto, there is no
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* generic "hwcrypto/bignum.h" header for using these functions without mbedTLS. The reason for this
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* is that all of the function implementations depend strongly upon the mbedTLS MPI implementation.
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*/
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/**
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* @brief Lock access to RSA Accelerator (MPI/bignum operations)
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*
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* RSA Accelerator hardware unit can only be used by one
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* consumer at a time.
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*
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* @note This function is non-recursive (do not call it twice from the
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* same task.)
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*
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* @note You do not need to call this if you are using the mbedTLS bignum.h
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* API or esp_mpi_xxx functions. This function is only needed if you
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* want to call ROM RSA functions or access the registers directly.
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*
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*/
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void esp_mpi_acquire_hardware(void);
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/**
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* @brief Unlock access to RSA Accelerator (MPI/bignum operations)
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*
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* Has to be called once for each call to esp_mpi_acquire_hardware().
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*
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* @note You do not need to call this if you are using the mbedTLS bignum.h
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* API or esp_mpi_xxx functions. This function is only needed if you
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* want to call ROM RSA functions or access the registers directly.
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*/
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void esp_mpi_release_hardware(void);
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//#if CONFIG_MBEDTLS_HARDWARE_MPI
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/* @brief MPI modular mupltiplication function
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*
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* Calculates Z = (X * Y) mod M using MPI hardware acceleration.
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*
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* This is not part of the standard mbedTLS bignum API.
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*
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* @note All of X, Y & Z should be less than 4096 bit long or an error is returned.
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*
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* @param Z Result bignum, should be pre-initialised with mbedtls_mpi_init().
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* @param X First multiplication argument.
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* @param Y Second multiplication argument.
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* @param M Modulus value for result.
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*
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* @return 0 on success, mbedTLS MPI error codes on failure.
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*/
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int esp_mpi_mul_mpi_mod(mbedtls_mpi *Z, const mbedtls_mpi *X, const mbedtls_mpi *Y, const mbedtls_mpi *M);
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//#endif // CONFIG_MBEDTLS_HARDWARE_MPI
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#endif CONFIG_IDF_TARGET_ESP32
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108
lib/libesp32_div/ESP32-HomeKit/src/port/bignum_ESP32_C3.c
Normal file
108
lib/libesp32_div/ESP32-HomeKit/src/port/bignum_ESP32_C3.c
Normal file
@ -0,0 +1,108 @@
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/**
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* \brief Multi-precision integer library, ESP-IDF hardware accelerated parts
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*
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* based on mbedTLS implementation
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*
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* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
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* Additions Copyright (C) 2016-2020, Espressif Systems (Shanghai) PTE Ltd
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may
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* 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, WITHOUT
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* 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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*/
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#if CONFIG_IDF_TARGET_ESP32C3
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#if __has_include("esp_idf_version.h")
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#include "esp_idf_version.h"
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#endif
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#include <sys/param.h>
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#include "soc/hwcrypto_periph.h"
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#include "driver/periph_ctrl.h"
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#include "mbedtls/bignum.h"
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#include "bignum_impl.h"
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#include "soc/system_reg.h"
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#include "soc/periph_defs.h"
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#include "esp_crypto_lock.h"
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/* Copy mbedTLS MPI bignum 'mpi' to hardware memory block at 'mem_base'.
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If hw_words is higher than the number of words in the bignum then
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these additional words will be zeroed in the memory buffer.
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*/
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static inline void mpi_to_mem_block(uint32_t mem_base, const mbedtls_mpi *mpi, size_t num_words)
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{
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uint32_t *pbase = (uint32_t *)mem_base;
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uint32_t copy_words = MIN(num_words, mpi->n);
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/* Copy MPI data to memory block registers */
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for (int i = 0; i < copy_words; i++) {
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pbase[i] = mpi->p[i];
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}
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/* Zero any remaining memory block data */
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for (int i = copy_words; i < num_words; i++) {
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pbase[i] = 0;
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}
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}
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/* Read mbedTLS MPI bignum back from hardware memory block.
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Reads num_words words from block.
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Bignum 'x' should already be grown to at least num_words by caller (can be done while
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calculation is in progress, to save some cycles)
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*/
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static inline void mem_block_to_mpi(mbedtls_mpi *x, uint32_t mem_base, int num_words)
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{
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/* Copy data from memory block registers */
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const size_t REG_WIDTH = sizeof(uint32_t);
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for (size_t i = 0; i < num_words; i++) {
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x->p[i] = REG_READ(mem_base + (i * REG_WIDTH));
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}
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/* Zero any remaining limbs in the bignum, if the buffer is bigger
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than num_words */
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for (size_t i = num_words; i < x->n; i++) {
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x->p[i] = 0;
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}
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}
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/* Begin an RSA operation. op_reg specifies which 'START' register
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to write to.
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*/
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static inline void start_op(uint32_t op_reg)
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{
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/* Clear interrupt status */
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REG_WRITE(RSA_CLEAR_INTERRUPT_REG, 1);
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/* Note: above REG_WRITE includes a memw, so we know any writes
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to the memory blocks are also complete. */
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REG_WRITE(op_reg, 1);
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}
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/* Wait for an RSA operation to complete.
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*/
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static inline void wait_op_complete(void)
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{
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while (REG_READ(RSA_QUERY_INTERRUPT_REG) != 1)
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{ }
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/* clear the interrupt */
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REG_WRITE(RSA_CLEAR_INTERRUPT_REG, 1);
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}
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#endif //CONFIG_IDF_TARGET_ESP32C3
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87
lib/libesp32_div/ESP32-HomeKit/src/port/bignum_ESP32_C3.h
Normal file
87
lib/libesp32_div/ESP32-HomeKit/src/port/bignum_ESP32_C3.h
Normal file
@ -0,0 +1,87 @@
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// Copyright 2015-2020 Espressif Systems (Shanghai) PTE LTD
|
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//
|
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// Licensed under the Apache License, Version 2.0 (the "License");
|
||||
// you may not use this file except in compliance with the License.
|
||||
// You may obtain a copy of the License at
|
||||
|
||||
// http://www.apache.org/licenses/LICENSE-2.0
|
||||
//
|
||||
// Unless required by applicable law or agreed to in writing, software
|
||||
// distributed under the License is distributed on an "AS IS" BASIS,
|
||||
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
// See the License for the specific language governing permissions and
|
||||
// limitations under the License.
|
||||
#if CONFIG_IDF_TARGET_ESP32C3
|
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#pragma once
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|
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#include_next "mbedtls/bignum.h"
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#include "sdkconfig.h"
|
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|
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/**
|
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* This is a wrapper for the main mbedtls/bignum.h. This wrapper
|
||||
* provides a few additional ESP32-only functions.
|
||||
*
|
||||
* This is because we don't set MBEDTLS_BIGNUM_ALT in the same way we
|
||||
* do for AES, SHA, etc. Because we still use most of the bignum.h
|
||||
* implementation and just replace a few hardware accelerated
|
||||
* functions (see MBEDTLS_MPI_EXP_MOD_ALT & MBEDTLS_MPI_MUL_MPI_ALT in
|
||||
* esp_config.h).
|
||||
*
|
||||
* @note Unlike the other hardware accelerator support functions in esp32/hwcrypto, there is no
|
||||
* generic "hwcrypto/bignum.h" header for using these functions without mbedTLS. The reason for this
|
||||
* is that all of the function implementations depend strongly upon the mbedTLS MPI implementation.
|
||||
*/
|
||||
|
||||
/**
|
||||
* @brief Lock access to RSA Accelerator (MPI/bignum operations)
|
||||
*
|
||||
* RSA Accelerator hardware unit can only be used by one
|
||||
* consumer at a time.
|
||||
*
|
||||
* @note This function is non-recursive (do not call it twice from the
|
||||
* same task.)
|
||||
*
|
||||
* @note You do not need to call this if you are using the mbedTLS bignum.h
|
||||
* API or esp_mpi_xxx functions. This function is only needed if you
|
||||
* want to call ROM RSA functions or access the registers directly.
|
||||
*
|
||||
*/
|
||||
void esp_mpi_acquire_hardware(void);
|
||||
|
||||
/**
|
||||
* @brief Unlock access to RSA Accelerator (MPI/bignum operations)
|
||||
*
|
||||
* Has to be called once for each call to esp_mpi_acquire_hardware().
|
||||
*
|
||||
* @note You do not need to call this if you are using the mbedTLS bignum.h
|
||||
* API or esp_mpi_xxx functions. This function is only needed if you
|
||||
* want to call ROM RSA functions or access the registers directly.
|
||||
*/
|
||||
void esp_mpi_release_hardware(void);
|
||||
|
||||
//#if CONFIG_MBEDTLS_HARDWARE_MPI
|
||||
|
||||
/* @brief MPI modular mupltiplication function
|
||||
*
|
||||
* Calculates Z = (X * Y) mod M using MPI hardware acceleration.
|
||||
*
|
||||
* This is not part of the standard mbedTLS bignum API.
|
||||
*
|
||||
* @note All of X, Y & Z should be less than 4096 bit long or an error is returned.
|
||||
*
|
||||
* @param Z Result bignum, should be pre-initialised with mbedtls_mpi_init().
|
||||
* @param X First multiplication argument.
|
||||
* @param Y Second multiplication argument.
|
||||
* @param M Modulus value for result.
|
||||
*
|
||||
* @return 0 on success, mbedTLS MPI error codes on failure.
|
||||
*/
|
||||
int esp_mpi_mul_mpi_mod(mbedtls_mpi *Z, const mbedtls_mpi *X, const mbedtls_mpi *Y, const mbedtls_mpi *M);
|
||||
|
||||
void esp_mpi_mul_mpi_mod_hw_op(const mbedtls_mpi *X, const mbedtls_mpi *Y, const mbedtls_mpi *M, const mbedtls_mpi *Rinv, mbedtls_mpi_uint Mprime, size_t num_words);
|
||||
static inline void mpi_to_mem_block(uint32_t mem_base, const mbedtls_mpi *mpi, size_t num_words);
|
||||
void esp_mpi_mul_mpi_hw_op(const mbedtls_mpi *X, const mbedtls_mpi *Y, size_t num_words);
|
||||
|
||||
|
||||
//#endif // CONFIG_MBEDTLS_HARDWARE_MPI
|
||||
#endif //CONFIG_IDF_TARGET_ESP32C3
|
||||
@ -10,7 +10,7 @@
|
||||
exponentiation instead.
|
||||
*/
|
||||
|
||||
#define CONFIG_IDF_TARGET_ESP32 1
|
||||
// #define CONFIG_IDF_TARGET_ESP32 1
|
||||
|
||||
#if CONFIG_IDF_TARGET_ESP32
|
||||
#define ESP_MPI_USE_MONT_EXP
|
||||
@ -19,7 +19,7 @@
|
||||
//#define MBEDTLS_MPI_MUL_MPI_ALT
|
||||
#endif
|
||||
|
||||
|
||||
#if CONFIG_IDF_TARGET_ESP32
|
||||
int esp_mpi_exp_mod( mbedtls_mpi *Z, const mbedtls_mpi *X, const mbedtls_mpi *Y, const mbedtls_mpi *M, mbedtls_mpi *_Rinv );
|
||||
|
||||
/**
|
||||
@ -86,7 +86,11 @@ int esp_mont_hw_op(mbedtls_mpi* Z, const mbedtls_mpi* X, const mbedtls_mpi* Y, c
|
||||
*
|
||||
*/
|
||||
void esp_mpi_exp_mpi_mod_hw_op(const mbedtls_mpi *X, const mbedtls_mpi *Y, const mbedtls_mpi *M, const mbedtls_mpi *Rinv, mbedtls_mpi_uint Mprime, size_t hw_words);
|
||||
|
||||
#endif //CONFIG_IDF_TARGET_ESP32
|
||||
#endif //ESP_MPI_USE_MONT_EXP
|
||||
|
||||
#if CONFIG_IDF_TARGET_ESP32C3
|
||||
void esp_mpi_exp_mpi_mod_hw_op(const mbedtls_mpi *X, const mbedtls_mpi *Y, const mbedtls_mpi *M, const mbedtls_mpi *Rinv, mbedtls_mpi_uint Mprime, size_t num_words);
|
||||
#endif //CONFIG_IDF_TARGET_ESP32C3
|
||||
|
||||
#endif
|
||||
|
||||
@ -79,7 +79,7 @@ static inline size_t bits_to_words(size_t bits)
|
||||
/* Return the number of words actually used to represent an mpi
|
||||
number.
|
||||
*/
|
||||
#if defined(MBEDTLS_MPI_EXP_MOD_ALT)
|
||||
#if defined(MBEDTLS_MPI_EXP_MOD_ALT) || defined(CONFIG_IDF_TARGET_ESP32C3)
|
||||
static size_t mpi_words(const mbedtls_mpi *mpi)
|
||||
{
|
||||
for (size_t i = mpi->n; i > 0; i--) {
|
||||
@ -369,6 +369,87 @@ cleanup:
|
||||
|
||||
#endif /* MBEDTLS_MPI_EXP_MOD_ALT */
|
||||
|
||||
#if CONFIG_IDF_TARGET_ESP32C3
|
||||
int esp_mpi_exp_mod( mbedtls_mpi *Z, const mbedtls_mpi *X, const mbedtls_mpi *Y, const mbedtls_mpi *M, mbedtls_mpi *_Rinv )
|
||||
{
|
||||
int ret = 0;
|
||||
size_t x_words = mpi_words(X);
|
||||
size_t y_words = mpi_words(Y);
|
||||
size_t m_words = mpi_words(M);
|
||||
|
||||
|
||||
/* "all numbers must be the same length", so choose longest number
|
||||
as cardinal length of operation...
|
||||
*/
|
||||
size_t num_words = esp_mpi_hardware_words(MAX(m_words, MAX(x_words, y_words)));
|
||||
|
||||
mbedtls_mpi Rinv_new; /* used if _Rinv == NULL */
|
||||
mbedtls_mpi *Rinv; /* points to _Rinv (if not NULL) othwerwise &RR_new */
|
||||
mbedtls_mpi_uint Mprime;
|
||||
|
||||
if (mbedtls_mpi_cmp_int(M, 0) <= 0 || (M->p[0] & 1) == 0) {
|
||||
return MBEDTLS_ERR_MPI_BAD_INPUT_DATA;
|
||||
}
|
||||
|
||||
if (mbedtls_mpi_cmp_int(Y, 0) < 0) {
|
||||
return MBEDTLS_ERR_MPI_BAD_INPUT_DATA;
|
||||
}
|
||||
|
||||
if (mbedtls_mpi_cmp_int(Y, 0) == 0) {
|
||||
return mbedtls_mpi_lset(Z, 1);
|
||||
}
|
||||
|
||||
if (num_words * 32 > SOC_RSA_MAX_BIT_LEN) {
|
||||
return MBEDTLS_ERR_MPI_NOT_ACCEPTABLE;
|
||||
}
|
||||
|
||||
/* Determine RR pointer, either _RR for cached value
|
||||
or local RR_new */
|
||||
if (_Rinv == NULL) {
|
||||
mbedtls_mpi_init(&Rinv_new);
|
||||
Rinv = &Rinv_new;
|
||||
} else {
|
||||
Rinv = _Rinv;
|
||||
}
|
||||
if (Rinv->p == NULL) {
|
||||
MBEDTLS_MPI_CHK(calculate_rinv(Rinv, M, num_words));
|
||||
}
|
||||
|
||||
Mprime = modular_inverse(M);
|
||||
|
||||
// Montgomery exponentiation: Z = X ^ Y mod M (HAC 14.94)
|
||||
#ifdef ESP_MPI_USE_MONT_EXP
|
||||
ret = mpi_montgomery_exp_calc(Z, X, Y, M, Rinv, num_words, Mprime) ;
|
||||
MBEDTLS_MPI_CHK(ret);
|
||||
#else
|
||||
esp_mpi_enable_hardware_hw_op();
|
||||
|
||||
esp_mpi_exp_mpi_mod_hw_op(X, Y, M, Rinv, Mprime, num_words);
|
||||
ret = mbedtls_mpi_grow(Z, m_words);
|
||||
if (ret != 0) {
|
||||
esp_mpi_disable_hardware_hw_op();
|
||||
goto cleanup;
|
||||
}
|
||||
esp_mpi_read_result_hw_op(Z, m_words);
|
||||
esp_mpi_disable_hardware_hw_op();
|
||||
#endif
|
||||
|
||||
// Compensate for negative X
|
||||
if (X->s == -1 && (Y->p[0] & 1) != 0) {
|
||||
Z->s = -1;
|
||||
MBEDTLS_MPI_CHK(mbedtls_mpi_add_mpi(Z, M, Z));
|
||||
} else {
|
||||
Z->s = 1;
|
||||
}
|
||||
|
||||
cleanup:
|
||||
if (_Rinv == NULL) {
|
||||
mbedtls_mpi_free(&Rinv_new);
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
#endif //CONFIG_IDF_TARGET_ESP32C3
|
||||
|
||||
|
||||
|
||||
#if defined(MBEDTLS_MPI_MUL_MPI_ALT) /* MBEDTLS_MPI_MUL_MPI_ALT */
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user