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44 lines
1.3 KiB
C
44 lines
1.3 KiB
C
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/*
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* The MySensors Arduino library handles the wireless radio link and protocol
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* between your home built sensors/actuators and HA controller of choice.
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* The sensors forms a self healing radio network with optional repeaters. Each
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* repeater and gateway builds a routing tables in EEPROM which keeps track of the
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* network topology allowing messages to be routed to nodes.
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*
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* Created by Henrik Ekblad <henrik.ekblad@mysensors.org>
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* Copyright (C) 2013-2019 Sensnology AB
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* Full contributor list: https://github.com/mysensors/MySensors/graphs/contributors
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*
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* Documentation: http://www.mysensors.org
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* Support Forum: http://forum.mysensors.org
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 as published by the Free Software Foundation.
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*
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*/
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#ifndef _SHA256_H_
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#define _SHA256_H_
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#define HASH_LENGTH 32 //!< HASH_LENGTH
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#define BLOCK_LENGTH 64 //!< BLOCK_LENGTH
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/**
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* @brief buffer for SHA256 calculator
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*/
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union _SHA256buffer_t {
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uint8_t b[BLOCK_LENGTH]; //!< SHA256 b
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uint32_t w[BLOCK_LENGTH / 4]; //!< SHA256 w
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};
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/**
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* @brief state variables for SHA256 calculator
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*/
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union _SHA256state_t {
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uint8_t b[HASH_LENGTH]; //!< SHA256 b
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uint32_t w[HASH_LENGTH / 4]; //!< SHA256 w
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};
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#endif
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