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gatewayTransportSend

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This commit is contained in:
Dmitry Borisenko
2022-12-01 02:10:06 +01:00
parent 2c61580157
commit cb50965c3b
293 changed files with 67232 additions and 3 deletions
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61
lib/MySensors/hal/crypto/AVR/drivers/HMAC_SHA256/hmac_sha256.cpp Normal file
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/*
* The MySensors Arduino library handles the wireless radio link and protocol
* between your home built sensors/actuators and HA controller of choice.
* The sensors forms a self healing radio network with optional repeaters. Each
* repeater and gateway builds a routing tables in EEPROM which keeps track of the
* network topology allowing messages to be routed to nodes.
*
* Created by Henrik Ekblad <henrik.ekblad@mysensors.org>
* Copyright (C) 2013-2019 Sensnology AB
* Full contributor list: https://github.com/mysensors/MySensors/graphs/contributors
*
* Documentation: http://www.mysensors.org
* Support Forum: http://forum.mysensors.org
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
*
*/
#include "hmac_sha256.h"
/*
* all lengths in bits!
*/
void hmac_sha256(void *dest, const void *key, uint16_t keylength_b, const void *msg,
uint32_t msglength_b)
{
sha256_ctx_t s;
uint8_t buffer[HMAC_SHA256_BLOCK_BYTES];
(void)memset((void *)buffer, 0x00, HMAC_SHA256_BLOCK_BYTES);
/* if key is larger than a block we have to hash it*/
if (keylength_b > SHA256_BLOCK_BITS) {
sha256((sha256_hash_t *)buffer, key, keylength_b);
} else {
(void)memcpy((void *)buffer, (const void *)key, (keylength_b + 7) / 8);
}
for (uint8_t i = 0; i < SHA256_BLOCK_BYTES; ++i) {
buffer[i] ^= IPAD;
}
sha256_init(&s);
sha256_nextBlock(&s, buffer);
while (msglength_b >= HMAC_SHA256_BLOCK_BITS) {
sha256_nextBlock(&s, msg);
msg = (uint8_t *)msg + HMAC_SHA256_BLOCK_BYTES;
msglength_b -= HMAC_SHA256_BLOCK_BITS;
}
sha256_lastBlock(&s, msg, msglength_b);
/* since buffer still contains key xor ipad we can do ... */
for (uint8_t i = 0; i < HMAC_SHA256_BLOCK_BYTES; ++i) {
buffer[i] ^= IPAD ^ OPAD;
}
sha256_ctx2hash((sha256_hash_t *)dest, &s); /* save inner hash temporary to dest */
sha256_init(&s);
sha256_nextBlock(&s, buffer);
sha256_lastBlock(&s, dest, SHA256_HASH_BITS);
sha256_ctx2hash((sha256_hash_t *)dest, &s);
}

78
lib/MySensors/hal/crypto/AVR/drivers/HMAC_SHA256/hmac_sha256.h Normal file
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/*
* The MySensors Arduino library handles the wireless radio link and protocol
* between your home built sensors/actuators and HA controller of choice.
* The sensors forms a self healing radio network with optional repeaters. Each
* repeater and gateway builds a routing tables in EEPROM which keeps track of the
* network topology allowing messages to be routed to nodes.
*
* Created by Henrik Ekblad <henrik.ekblad@mysensors.org>
* Copyright (C) 2013-2019 Sensnology AB
* Full contributor list: https://github.com/mysensors/MySensors/graphs/contributors
*
* Documentation: http://www.mysensors.org
* Support Forum: http://forum.mysensors.org
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
*
* ======================================================================
*
* HMAC SHA256 implementation for AVR:
*
* This file is part of the AVR-Crypto-Lib.
* Copyright (C) 2006-2015 Daniel Otte (bg@nerilex.org)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Author: Daniel Otte
*
* License: GPLv3 or later
*
* ======================================================================
*/
#ifndef _HMAC_SHA256_
#define _HMAC_SHA256_
#define IPAD 0x36 //!< HMAC, inner hash, xor byte
#define OPAD 0x5C //!< HMAC, outer hash, xor byte
#define HMAC_SHA256_BITS SHA256_HASH_BITS //!< Defines the size of a SHA-256 HMAC hash value in bits
#define HMAC_SHA256_BYTES SHA256_HASH_BYTES //!< Defines the size of a SHA-256 HMAC hash value in bytes
#define HMAC_SHA256_BLOCK_BITS SHA256_BLOCK_BITS //!< Defines the size of a SHA-256 HMAC input block in bits
#define HMAC_SHA256_BLOCK_BYTES SHA256_BLOCK_BYTES //!< Defines the size of a SHA-256 HMAC input block in bytes
/**
* @brief hash context structure
*/
typedef struct {
sha256_ctx_t a; //!< a
sha256_ctx_t b; //!< b
} hmac_sha256_ctx_t;
/**
* @brief SHA256 HMAC function
*
* @param dest pointer to the location where the hash value is going to be written to
* @param key pointer to the key that's is needed for the HMAC calculation
* @param keylength_b length of the key
* @param msg pointer to the message that's going to be hashed
* @param msglength_b length of the message
*/
void hmac_sha256(void *dest, const void *key, uint16_t keylength_b, const void *msg,
uint32_t msglength_b);
#endif