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54 lines
1.6 KiB
C
54 lines
1.6 KiB
C
/*
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* SPDX-FileCopyrightText: 2023 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 <stdint.h>
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#include "sdkconfig.h"
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#include "mbedtls/pk.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifdef CONFIG_MBEDTLS_HARDWARE_ECDSA_SIGN
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/**
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* @brief Initialize MPI to notify mbedtls_ecdsa_sign to use the private key in efuse
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* We break the MPI struct of the private key in order to
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* differentiate between hardware key and software key
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*
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* @param key The MPI in which this functions stores the hardware context.
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* This must be uninitialized
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* @param efuse_blk The efuse key block that should be used as the private key.
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* The key purpose of this block must be ECDSA_KEY
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*
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* @return - 0 if successful
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* - -1 otherwise
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*
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*/
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int esp_ecdsa_privkey_load_mpi(mbedtls_mpi *key, int efuse_blk);
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/**
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* @brief Initialize PK context to notify mbedtls_ecdsa_sign to use the private key in efuse
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* We break the MPI struct used to represent the private key `d` in ECP keypair
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* in order to differentiate between hardware key and software key
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*
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* @param key_ctx The context in which this functions stores the hardware context.
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* This must be uninitialized
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* @param efuse_blk The efuse key block that should be used as the private key.
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* The key purpose of this block must be ECDSA_KEY
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*
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* @return - 0 if successful
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* - -1 otherwise
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*/
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int esp_ecdsa_privkey_load_pk_context(mbedtls_pk_context *key_ctx, int efuse_blk);
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#endif
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#ifdef __cplusplus
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}
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#endif
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