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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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| typedef void *bootloader_sha256_handle_t;
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| 
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| bootloader_sha256_handle_t bootloader_sha256_start(void);
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| 
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| void bootloader_sha256_data(bootloader_sha256_handle_t handle, const void *data, size_t data_len);
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| 
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| void bootloader_sha256_finish(bootloader_sha256_handle_t handle, uint8_t *digest);
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