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34 lines
1.2 KiB
C
34 lines
1.2 KiB
C
// Copyright 2017 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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#pragma once
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/* Provide a SHA256 API for bootloader_support code,
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that can be used from bootloader or app code.
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This header is available to source code in the bootloader & bootloader_support components only.
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Use mbedTLS APIs or include esp32/sha.h to calculate SHA256 in IDF apps.
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*/
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#include <stdint.h>
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#include <stdlib.h>
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#include "esp_err.h"
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typedef void *bootloader_sha256_handle_t;
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bootloader_sha256_handle_t bootloader_sha256_start(void);
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void bootloader_sha256_data(bootloader_sha256_handle_t handle, const void *data, size_t data_len);
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void bootloader_sha256_finish(bootloader_sha256_handle_t handle, uint8_t *digest);
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