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https://github.com/espressif/esp-idf.git
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53 lines
2.1 KiB
C
53 lines
2.1 KiB
C
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/*
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* SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#pragma once
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#include "sdkconfig.h"
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#include <esp_err.h>
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#include <stdint.h>
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#if CONFIG_IDF_TARGET_ESP32
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#include "esp32/rom/secure_boot.h"
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#elif CONFIG_IDF_TARGET_ESP32S2
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#include "esp32s2/rom/secure_boot.h"
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#elif CONFIG_IDF_TARGET_ESP32C3
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#include "esp32c3/rom/secure_boot.h"
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#elif CONFIG_IDF_TARGET_ESP32S3
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#include "esp32s3/rom/secure_boot.h"
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#elif CONFIG_IDF_TARGET_ESP32H2
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#include "esp32h2/rom/secure_boot.h"
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#elif CONFIG_IDF_TARGET_ESP32C2
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#include "esp32c2/rom/secure_boot.h"
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#endif
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#if !CONFIG_IDF_TARGET_ESP32 || CONFIG_ESP32_REV_MIN_3
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/** @brief Verify the secure boot signature block for Secure Boot V2.
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*
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* Performs RSA-PSS or ECDSA verification of the SHA-256 image based on the public key
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* in the signature block, compared against the public key digest stored in efuse.
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*
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* Similar to esp_secure_boot_verify_signature(), but can be used when the digest is precalculated.
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* @param sig_block Pointer to signature block data
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* @param image_digest Pointer to 32 byte buffer holding SHA-256 hash.
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* @param verified_digest Pointer to 32 byte buffer that will receive verified digest if verification completes. (Used during bootloader implementation only, result is invalid otherwise.)
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*
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*/
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esp_err_t esp_secure_boot_verify_sbv2_signature_block(const ets_secure_boot_signature_t *sig_block, const uint8_t *image_digest, uint8_t *verified_digest);
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/** @brief Legacy function to verify RSA secure boot signature block for Secure Boot V2.
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*
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* @note This is kept for backward compatibility. It internally calls esp_secure_boot_verify_sbv2_signature_block.
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*
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* @param sig_block Pointer to RSA signature block data
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* @param image_digest Pointer to 32 byte buffer holding SHA-256 hash.
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* @param verified_digest Pointer to 32 byte buffer that will receive verified digest if verification completes. (Used during bootloader implementation only, result is invalid otherwise.)
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*
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*/
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esp_err_t esp_secure_boot_verify_rsa_signature_block(const ets_secure_boot_signature_t *sig_block, const uint8_t *image_digest, uint8_t *verified_digest);
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#endif
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