[security] Introducing signing support to MySensors

Anticimex

@meddie ok, so samd hardware. @tbowmo is eeprom handling on samd fully compatible with avr? It would appear something is not quite right with eeprom writes (or reads) on samd.

tbowmo

@Anticimex

eeprom on samd is handled differently, than avr, since it's an external I2C eeprom. So the normal avr commands for read/write to the eeprom doesn't work.

the pieces that handle eeprom is located in MyHwSAMD.cpp between line 45 and 100
https://github.com/mysensors/MySensors/blob/development/core/MyHwSAMD.cpp#L45

Anticimex

@tbowmo
That may be, but I would still expect hwReadConfigBlock and hwWriteConfigBlock to be chip agnostic.

meddie

@tbowmo
sorry can you say me please what i have to add to the sketch that will store my aes key on the sensebender gateway?
I am a very very noob
thanks

Anticimex

@meddie could you please try an experiment?
Configure the personalizer to use soft signing and store a soft hmac key and serial to eeprom? Just make up some numbers as keys and see if the same problem happen with those or if it is just the AES key that fail.

meddie

@Anticimex
yes of course!!!
here is the sketch:

#include "sha204_library.h"
#include "sha204_lib_return_codes.h"
#define MY_CORE_ONLY
#include <MySensors.h>

// Doxygen specific constructs, not included when built normally
// This is used to enable disabled macros/definitions to be included in the documentation as well.
#if DOXYGEN
#define LOCK_CONFIGURATION
#define LOCK_DATA
#define SKIP_KEY_STORAGE
#define USER_KEY
#define SKIP_UART_CONFIRMATION
#define USE_SOFT_SIGNING
#define STORE_SOFT_KEY
#define USER_SOFT_KEY
#define STORE_SOFT_SERIAL
#define USER_SOFT_SERIAL
#define STORE_AES_KEY
#define USER_AES_KEY
#endif

#define LOCK_CONFIGURATION


//#define LOCK_DATA


//#define SKIP_KEY_STORAGE


//#define USER_KEY


//#define SKIP_UART_CONFIRMATION


#define USE_SOFT_SIGNING


#define STORE_SOFT_KEY


#define USER_SOFT_KEY


#define STORE_SOFT_SERIAL


#define USER_SOFT_SERIAL


#define STORE_AES_KEY


//#define USER_AES_KEY

#if defined(SKIP_UART_CONFIRMATION) && !defined(USER_KEY)
#error You have to define USER_KEY for boards that does not have UART
#endif

#ifdef USER_KEY
/** @brief The user-defined HMAC key to use for personalization */
#define MY_HMAC_KEY 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
/** @brief The data to store in key slot 0 */
const uint8_t user_key_data[32] = {MY_HMAC_KEY};
#endif

#ifdef USER_SOFT_KEY
/** @brief The user-defined soft HMAC key to use for EEPROM personalization */
#define MY_SOFT_HMAC_KEY 0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x010,0x11,0x12,0x13,0x14,0x15,0x0A,0x0B,0x0C,0x0D,0x0E,0x0F,0xAA,0xAB,0xBA,0xBB,0xAC,0xAD,0xAE,0xEB,0xEC,0xED,0xDD
/** @brief The data to store as soft HMAC key in EEPROM */
const uint8_t user_soft_key_data[32] = {MY_SOFT_HMAC_KEY};
#endif

#ifdef USER_SOFT_SERIAL
/** @brief The user-defined soft serial to use for EEPROM personalization */
#define MY_SOFT_SERIAL 0x10,0x09,0x08,0x07,0x06,0x05,0x04,0x03,0x02
/** @brief The data to store as soft serial in EEPROM */
const uint8_t user_soft_serial[9] = {MY_SOFT_SERIAL};
#endif

#ifdef USER_AES_KEY
/** @brief The user-defined AES key to use for EEPROM personalization */
#define MY_AES_KEY 0x15,0x14,0x13,0x12,0x11,0x10,0x09,0x08,0x07,0x06,0x05,0x05,0x04,0x03,0x14,0x15
/** @brief The data to store as AES key in EEPROM */
const uint8_t user_aes_key[16] = {MY_AES_KEY};
#endif

#ifndef USE_SOFT_SIGNING
const int sha204Pin = MY_SIGNING_ATSHA204_PIN; //!< The IO pin to use for ATSHA204A
atsha204Class sha204(sha204Pin);
#endif

/** @brief Print a error notice and halt the execution */
void halt()
{
	Serial.println(F("Halting!"));
	while(1);
}

#ifndef USE_SOFT_SIGNING

uint16_t write_config_and_get_crc()
{
	uint16_t crc = 0;
	uint8_t config_word[4];
	uint8_t tx_buffer[SHA204_CMD_SIZE_MAX];
	uint8_t rx_buffer[SHA204_RSP_SIZE_MAX];
	uint8_t ret_code;
	bool do_write;

	
	for (int i=0; i < 88; i += 4) {
		do_write = true;
		if (i == 20) {
			config_word[0] = 0x8F;
			config_word[1] = 0x80;
			config_word[2] = 0x80;
			config_word[3] = 0xA1;
		} else if (i == 24) {
			config_word[0] = 0x82;
			config_word[1] = 0xE0;
			config_word[2] = 0xA3;
			config_word[3] = 0x60;
		} else if (i == 28) {
			config_word[0] = 0x94;
			config_word[1] = 0x40;
			config_word[2] = 0xA0;
			config_word[3] = 0x85;
		} else if (i == 32) {
			config_word[0] = 0x86;
			config_word[1] = 0x40;
			config_word[2] = 0x87;
			config_word[3] = 0x07;
		} else if (i == 36) {
			config_word[0] = 0x0F;
			config_word[1] = 0x00;
			config_word[2] = 0x89;
			config_word[3] = 0xF2;
		} else if (i == 40) {
			config_word[0] = 0x8A;
			config_word[1] = 0x7A;
			config_word[2] = 0x0B;
			config_word[3] = 0x8B;
		} else if (i == 44) {
			config_word[0] = 0x0C;
			config_word[1] = 0x4C;
			config_word[2] = 0xDD;
			config_word[3] = 0x4D;
		} else if (i == 48) {
			config_word[0] = 0xC2;
			config_word[1] = 0x42;
			config_word[2] = 0xAF;
			config_word[3] = 0x8F;
		} else if (i == 52 || i == 56 || i == 60 || i == 64) {
			config_word[0] = 0xFF;
			config_word[1] = 0x00;
			config_word[2] = 0xFF;
			config_word[3] = 0x00;
		} else if (i == 68 || i == 72 || i == 76 || i == 80) {
			config_word[0] = 0xFF;
			config_word[1] = 0xFF;
			config_word[2] = 0xFF;
			config_word[3] = 0xFF;
		} else {
			// All other configs are untouched
			ret_code = sha204.sha204m_read(tx_buffer, rx_buffer, SHA204_ZONE_CONFIG, i);
			if (ret_code != SHA204_SUCCESS) {
				Serial.print(F("Failed to read config. Response: "));
				Serial.println(ret_code, HEX);
				halt();
			}
			// Set config_word to the read data
			config_word[0] = rx_buffer[SHA204_BUFFER_POS_DATA+0];
			config_word[1] = rx_buffer[SHA204_BUFFER_POS_DATA+1];
			config_word[2] = rx_buffer[SHA204_BUFFER_POS_DATA+2];
			config_word[3] = rx_buffer[SHA204_BUFFER_POS_DATA+3];
			do_write = false;
		}

		// Update crc with CRC for the current word
		crc = sha204.calculateAndUpdateCrc(4, config_word, crc);

		// Write config word
		if (do_write) {
			ret_code = sha204.sha204m_execute(SHA204_WRITE, SHA204_ZONE_CONFIG,
			                                  i >> 2, 4, config_word, 0, NULL, 0, NULL,
			                                  WRITE_COUNT_SHORT, tx_buffer, WRITE_RSP_SIZE, rx_buffer);
			if (ret_code != SHA204_SUCCESS) {
				Serial.print(F("Failed to write config word at address "));
				Serial.print(i);
				Serial.print(F(". Response: "));
				Serial.println(ret_code, HEX);
				halt();
			}
		}
	}
	return crc;
}


void write_key(uint8_t* key)
{
	uint8_t tx_buffer[SHA204_CMD_SIZE_MAX];
	uint8_t rx_buffer[SHA204_RSP_SIZE_MAX];
	uint8_t ret_code;

	// Write key to slot 0
	ret_code = sha204.sha204m_execute(SHA204_WRITE, SHA204_ZONE_DATA | SHA204_ZONE_COUNT_FLAG,
	                                  0, SHA204_ZONE_ACCESS_32, key, 0, NULL, 0, NULL,
	                                  WRITE_COUNT_LONG, tx_buffer, WRITE_RSP_SIZE, rx_buffer);
	if (ret_code != SHA204_SUCCESS) {
		Serial.print(F("Failed to write key to slot 0. Response: "));
		Serial.println(ret_code, HEX);
		halt();
	}
}
#endif // not USE_SOFT_SIGNING

/** @brief Dump current configuration to UART */
void dump_configuration()
{
	uint8_t buffer[32];
#ifndef USE_SOFT_SIGNING
	Serial.println(F("EEPROM DATA:"));
#endif
	hwReadConfigBlock((void*)buffer, (void*)EEPROM_SIGNING_SOFT_HMAC_KEY_ADDRESS, 32);
	Serial.print(F("SOFT_HMAC_KEY | "));
	for (int j=0; j<32; j++) {
		if (buffer[j] < 0x10) {
			Serial.print('0'); // Because Serial.print does not 0-pad HEX
		}
		Serial.print(buffer[j], HEX);
	}
	Serial.println();
	hwReadConfigBlock((void*)buffer, (void*)EEPROM_SIGNING_SOFT_SERIAL_ADDRESS, 9);
	Serial.print(F("SOFT_SERIAL   | "));
	for (int j=0; j<9; j++) {
		if (buffer[j] < 0x10) {
			Serial.print('0'); // Because Serial.print does not 0-pad HEX
		}
		Serial.print(buffer[j], HEX);
	}
	Serial.println();
	hwReadConfigBlock((void*)buffer, (void*)EEPROM_RF_ENCRYPTION_AES_KEY_ADDRESS, 16);
	Serial.print(F("AES_KEY       | "));
	for (int j=0; j<16; j++) {
		if (buffer[j] < 0x10) {
			Serial.print('0'); // Because Serial.print does not 0-pad HEX
		}
		Serial.print(buffer[j], HEX);
	}
	Serial.println();
#ifndef USE_SOFT_SIGNING
	uint8_t tx_buffer[SHA204_CMD_SIZE_MAX];
	uint8_t rx_buffer[SHA204_RSP_SIZE_MAX];
	uint8_t ret_code;
	Serial.println(F("ATSHA204A DATA:"));
	for (int i=0; i < 88; i += 4) {
		ret_code = sha204.sha204m_read(tx_buffer, rx_buffer, SHA204_ZONE_CONFIG, i);
		if (ret_code != SHA204_SUCCESS) {
			Serial.print(F("Failed to read config. Response: "));
			Serial.println(ret_code, HEX);
			halt();
		}
		if (i == 0x00) {
			Serial.print(F("           SN[0:1]           |         SN[2:3]           | "));
			for (int j=0; j<4; j++) {
				if (rx_buffer[SHA204_BUFFER_POS_DATA+j] < 0x10) {
					Serial.print('0'); // Because Serial.print does not 0-pad HEX
				}
				Serial.print(rx_buffer[SHA204_BUFFER_POS_DATA+j], HEX);
				if (j == 1) {
					Serial.print(F(" | "));
				} else {
					Serial.print(F("   "));
				}
			}
			Serial.println();
		} else if (i == 0x04) {
			Serial.print(F("                          Revnum                         | "));
			for (int j=0; j<4; j++) {
				if (rx_buffer[SHA204_BUFFER_POS_DATA+j] < 0x10) {
					Serial.print('0'); // Because Serial.print does not 0-pad HEX
				}
				Serial.print(rx_buffer[SHA204_BUFFER_POS_DATA+j], HEX);
				Serial.print(F("   "));
			}
			Serial.println();
		} else if (i == 0x08) {
			Serial.print(F("                          SN[4:7]                        | "));
			for (int j=0; j<4; j++) {
				if (rx_buffer[SHA204_BUFFER_POS_DATA+j] < 0x10) {
					Serial.print('0'); // Because Serial.print does not 0-pad HEX
				}
				Serial.print(rx_buffer[SHA204_BUFFER_POS_DATA+j], HEX);
				Serial.print(F("   "));
			}
			Serial.println();
		} else if (i == 0x0C) {
			Serial.print(F("    SN[8]    |  Reserved13   | I2CEnable | Reserved15    | "));
			for (int j=0; j<4; j++) {
				if (rx_buffer[SHA204_BUFFER_POS_DATA+j] < 0x10) {
					Serial.print('0'); // Because Serial.print does not 0-pad HEX
				}
				Serial.print(rx_buffer[SHA204_BUFFER_POS_DATA+j], HEX);
				if (j < 3) {
					Serial.print(F(" | "));
				} else {
					Serial.print(F("   "));
				}
			}
			Serial.println();
		} else if (i == 0x10) {
			Serial.print(F("  I2CAddress |  TempOffset   |  OTPmode  | SelectorMode  | "));
			for (int j=0; j<4; j++) {
				if (rx_buffer[SHA204_BUFFER_POS_DATA+j] < 0x10) {
					Serial.print('0'); // Because Serial.print does not 0-pad HEX
				}
				Serial.print(rx_buffer[SHA204_BUFFER_POS_DATA+j], HEX);
				if (j < 3) {
					Serial.print(F(" | "));
				} else {
					Serial.print(F("   "));
				}
			}
			Serial.println();
		} else if (i == 0x14) {
			Serial.print(F("         SlotConfig00        |       SlotConfig01        | "));
			for (int j=0; j<4; j++) {
				if (rx_buffer[SHA204_BUFFER_POS_DATA+j] < 0x10) {
					Serial.print('0'); // Because Serial.print does not 0-pad HEX
				}
				Serial.print(rx_buffer[SHA204_BUFFER_POS_DATA+j], HEX);
				if (j == 1) {
					Serial.print(F(" | "));
				} else {
					Serial.print(F("   "));
				}
			}
			Serial.println();
		} else if (i == 0x18) {
			Serial.print(F("         SlotConfig02        |       SlotConfig03        | "));
			for (int j=0; j<4; j++) {
				if (rx_buffer[SHA204_BUFFER_POS_DATA+j] < 0x10) {
					Serial.print('0'); // Because Serial.print does not 0-pad HEX
				}
				Serial.print(rx_buffer[SHA204_BUFFER_POS_DATA+j], HEX);
				if (j == 1) {
					Serial.print(F(" | "));
				} else {
					Serial.print(F("   "));
				}
			}
			Serial.println();
		} else if (i == 0x1C) {
			Serial.print(F("         SlotConfig04        |       SlotConfig05        | "));
			for (int j=0; j<4; j++) {
				if (rx_buffer[SHA204_BUFFER_POS_DATA+j] < 0x10) {
					Serial.print('0'); // Because Serial.print does not 0-pad HEX
				}
				Serial.print(rx_buffer[SHA204_BUFFER_POS_DATA+j], HEX);
				if (j == 1) {
					Serial.print(F(" | "));
				} else {
					Serial.print(F("   "));
				}
			}
			Serial.println();
		} else if (i == 0x20) {
			Serial.print(F("         SlotConfig06        |       SlotConfig07        | "));
			for (int j=0; j<4; j++) {
				if (rx_buffer[SHA204_BUFFER_POS_DATA+j] < 0x10) {
					Serial.print('0'); // Because Serial.print does not 0-pad HEX
				}
				Serial.print(rx_buffer[SHA204_BUFFER_POS_DATA+j], HEX);
				if (j == 1) {
					Serial.print(F(" | "));
				} else {
					Serial.print(F("   "));
				}
			}
			Serial.println();
		} else if (i == 0x24) {
			Serial.print(F("         SlotConfig08        |       SlotConfig09        | "));
			for (int j=0; j<4; j++) {
				if (rx_buffer[SHA204_BUFFER_POS_DATA+j] < 0x10) {
					Serial.print('0'); // Because Serial.print does not 0-pad HEX
				}
				Serial.print(rx_buffer[SHA204_BUFFER_POS_DATA+j], HEX);
				if (j == 1) {
					Serial.print(F(" | "));
				} else {
					Serial.print(F("   "));
				}
			}
			Serial.println();
		} else if (i == 0x28) {
			Serial.print(F("         SlotConfig0A        |       SlotConfig0B        | "));
			for (int j=0; j<4; j++) {
				if (rx_buffer[SHA204_BUFFER_POS_DATA+j] < 0x10) {
					Serial.print('0'); // Because Serial.print does not 0-pad HEX
				}
				Serial.print(rx_buffer[SHA204_BUFFER_POS_DATA+j], HEX);
				if (j == 1) {
					Serial.print(F(" | "));
				} else {
					Serial.print(F("   "));
				}
			}
			Serial.println();
		} else if (i == 0x2C) {
			Serial.print(F("         SlotConfig0C        |       SlotConfig0D        | "));
			for (int j=0; j<4; j++) {
				if (rx_buffer[SHA204_BUFFER_POS_DATA+j] < 0x10) {
					Serial.print('0'); // Because Serial.print does not 0-pad HEX
				}
				Serial.print(rx_buffer[SHA204_BUFFER_POS_DATA+j], HEX);
				if (j == 1) {
					Serial.print(F(" | "));
				} else {
					Serial.print(F("   "));
				}
			}
			Serial.println();
		} else if (i == 0x30) {
			Serial.print(F("         SlotConfig0E        |       SlotConfig0F        | "));
			for (int j=0; j<4; j++) {
				if (rx_buffer[SHA204_BUFFER_POS_DATA+j] < 0x10) {
					Serial.print('0'); // Because Serial.print does not 0-pad HEX
				}
				Serial.print(rx_buffer[SHA204_BUFFER_POS_DATA+j], HEX);
				if (j == 1) {
					Serial.print(F(" | "));
				} else {
					Serial.print(F("   "));
				}
			}
			Serial.println();
		} else if (i == 0x34) {
			Serial.print(F("  UseFlag00  | UpdateCount00 | UseFlag01 | UpdateCount01 | "));
			for (int j=0; j<4; j++) {
				if (rx_buffer[SHA204_BUFFER_POS_DATA+j] < 0x10) {
					Serial.print('0'); // Because Serial.print does not 0-pad HEX
				}
				Serial.print(rx_buffer[SHA204_BUFFER_POS_DATA+j], HEX);
				if (j < 3) {
					Serial.print(F(" | "));
				} else {
					Serial.print(F("   "));
				}
			}
			Serial.println();
		} else if (i == 0x38) {
			Serial.print(F("  UseFlag02  | UpdateCount02 | UseFlag03 | UpdateCount03 | "));
			for (int j=0; j<4; j++) {
				if (rx_buffer[SHA204_BUFFER_POS_DATA+j] < 0x10) {
					Serial.print('0'); // Because Serial.print does not 0-pad HEX
				}
				Serial.print(rx_buffer[SHA204_BUFFER_POS_DATA+j], HEX);
				if (j < 3) {
					Serial.print(F(" | "));
				} else {
					Serial.print(F("   "));
				}
			}
			Serial.println();
		} else if (i == 0x3C) {
			Serial.print(F("  UseFlag04  | UpdateCount04 | UseFlag05 | UpdateCount05 | "));
			for (int j=0; j<4; j++) {
				if (rx_buffer[SHA204_BUFFER_POS_DATA+j] < 0x10) {
					Serial.print('0'); // Because Serial.print does not 0-pad HEX
				}
				Serial.print(rx_buffer[SHA204_BUFFER_POS_DATA+j], HEX);
				if (j < 3) {
					Serial.print(F(" | "));
				} else {
					Serial.print(F("   "));
				}
			}
			Serial.println();
		} else if (i == 0x40) {
			Serial.print(F("  UseFlag06  | UpdateCount06 | UseFlag07 | UpdateCount07 | "));
			for (int j=0; j<4; j++) {
				if (rx_buffer[SHA204_BUFFER_POS_DATA+j] < 0x10) {
					Serial.print('0'); // Because Serial.print does not 0-pad HEX
				}
				Serial.print(rx_buffer[SHA204_BUFFER_POS_DATA+j], HEX);
				if (j < 3) {
					Serial.print(F(" | "));
				} else {
					Serial.print(F("   "));
				}
			}
			Serial.println();
		} else if (i == 0x44) {
			Serial.print(F("                      LastKeyUse[0:3]                    | "));
			for (int j=0; j<4; j++) {
				if (rx_buffer[SHA204_BUFFER_POS_DATA+j] < 0x10) {
					Serial.print('0'); // Because Serial.print does not 0-pad HEX
				}
				Serial.print(rx_buffer[SHA204_BUFFER_POS_DATA+j], HEX);
				Serial.print(F("   "));
			}
			Serial.println();
		} else if (i == 0x48) {
			Serial.print(F("                      LastKeyUse[4:7]                    | "));
			for (int j=0; j<4; j++) {
				if (rx_buffer[SHA204_BUFFER_POS_DATA+j] < 0x10) {
					Serial.print('0'); // Because Serial.print does not 0-pad HEX
				}
				Serial.print(rx_buffer[SHA204_BUFFER_POS_DATA+j], HEX);
				Serial.print(F("   "));
			}
			Serial.println();
		} else if (i == 0x4C) {
			Serial.print(F("                      LastKeyUse[8:B]                    | "));
			for (int j=0; j<4; j++) {
				if (rx_buffer[SHA204_BUFFER_POS_DATA+j] < 0x10) {
					Serial.print('0'); // Because Serial.print does not 0-pad HEX
				}
				Serial.print(rx_buffer[SHA204_BUFFER_POS_DATA+j], HEX);
				Serial.print(F("   "));
			}
			Serial.println();
		} else if (i == 0x50) {
			Serial.print(F("                      LastKeyUse[C:F]                    | "));
			for (int j=0; j<4; j++) {
				if (rx_buffer[SHA204_BUFFER_POS_DATA+j] < 0x10) {
					Serial.print('0'); // Because Serial.print does not 0-pad HEX
				}
				Serial.print(rx_buffer[SHA204_BUFFER_POS_DATA+j], HEX);
				Serial.print(F("   "));
			}
			Serial.println();
		} else if (i == 0x54) {
			Serial.print(F("  UserExtra  |    Selector   | LockValue |  LockConfig   | "));
			for (int j=0; j<4; j++) {
				if (rx_buffer[SHA204_BUFFER_POS_DATA+j] < 0x10) {
					Serial.print('0'); // Because Serial.print does not 0-pad HEX
				}
				Serial.print(rx_buffer[SHA204_BUFFER_POS_DATA+j], HEX);
				if (j < 3) {
					Serial.print(F(" | "));
				} else {
					Serial.print(F("   "));
				}
			}
			Serial.println();
		}
	}
#endif // not USE_SOFT_SIGNING
}

/** @brief Sketch setup code */
void setup()
{
	// Delay startup a bit for serial consoles to catch up
	unsigned long enter = hwMillis();
	while (hwMillis() - enter < (unsigned long)500);
#ifndef USE_SOFT_SIGNING
	uint8_t tx_buffer[SHA204_CMD_SIZE_MAX];
	uint8_t rx_buffer[SHA204_RSP_SIZE_MAX];
	uint8_t ret_code;
	uint8_t lockConfig = 0;
	uint8_t lockValue = 0;
	uint16_t crc;
	(void)crc;
#else
	// initialize pseudo-RNG
	randomSeed(analogRead(MY_SIGNING_SOFT_RANDOMSEED_PIN));
#endif
	uint8_t key[32];
	(void)key;

	Serial.begin(9600);
	hwInit();
	Serial.println(F("Personalization sketch for MySensors usage."));
	Serial.println(F("-------------------------------------------"));

#ifndef USE_SOFT_SIGNING
	// Wake device before starting operations
	ret_code = sha204.sha204c_wakeup(rx_buffer);
	if (ret_code != SHA204_SUCCESS) {
		Serial.print(F("Failed to wake device. Response: "));
		Serial.println(ret_code, HEX);
		halt();
	}
	// Read out lock config bits to determine if locking is possible
	ret_code = sha204.sha204m_read(tx_buffer, rx_buffer, SHA204_ZONE_CONFIG, 0x15<<2);
	if (ret_code != SHA204_SUCCESS) {
		Serial.print(F("Failed to determine device lock status. Response: "));
		Serial.println(ret_code, HEX);
		halt();
	} else {
		lockConfig = rx_buffer[SHA204_BUFFER_POS_DATA+3];
		lockValue = rx_buffer[SHA204_BUFFER_POS_DATA+2];
	}
#endif

#ifdef STORE_SOFT_KEY
#ifdef USER_SOFT_KEY
	memcpy(key, user_soft_key_data, 32);
	Serial.println(F("Using this user supplied soft HMAC key:"));
#else
	// Retrieve random value to use as soft HMAC key
#ifdef USE_SOFT_SIGNING
	for (int i = 0; i < 32; i++) {
		key[i] = random(256) ^ micros();
		unsigned long enter = hwMillis();
		while (hwMillis() - enter < (unsigned long)2);
	}
	Serial.println(F("This value will be stored in EEPROM as soft HMAC key:"));
#else
	ret_code = sha204.sha204m_random(tx_buffer, rx_buffer, RANDOM_SEED_UPDATE);
	if (ret_code != SHA204_SUCCESS) {
		Serial.print(F("Random key generation failed. Response: "));
		Serial.println(ret_code, HEX);
		halt();
	} else {
		memcpy(key, rx_buffer+SHA204_BUFFER_POS_DATA, 32);
	}
	if (lockConfig == 0x00) {
		Serial.println(F("This value will be stored in EEPROM as soft HMAC key:"));
	} else {
		Serial.println(F("Key is not randomized (configuration not locked):"));
	}
#endif // not USE_SOFT_SIGNING
#endif // not USER_SOFT_KEY
	Serial.print("#define MY_SOFT_HMAC_KEY ");
	for (int i=0; i<32; i++) {
		Serial.print("0x");
		if (key[i] < 0x10) {
			Serial.print('0'); // Because Serial.print does not 0-pad HEX
		}
		Serial.print(key[i], HEX);
		if (i < 31) {
			Serial.print(',');
		}
	}
	Serial.println();
	hwWriteConfigBlock((void*)key, (void*)EEPROM_SIGNING_SOFT_HMAC_KEY_ADDRESS, 32);
#endif // STORE_SOFT_KEY

#ifdef STORE_SOFT_SERIAL
#ifdef USER_SOFT_SERIAL
	memcpy(key, user_soft_serial, 9);
	Serial.println(F("Using this user supplied soft serial:"));
#else
	// Retrieve random value to use as serial
#ifdef USE_SOFT_SIGNING
	for (int i = 0; i < 9; i++) {
		key[i] = random(256) ^ micros();
		unsigned long enter = hwMillis();
		while (hwMillis() - enter < (unsigned long)2);
	}
	Serial.println(F("This value will be stored in EEPROM as soft serial:"));
#else
	ret_code = sha204.sha204m_random(tx_buffer, rx_buffer, RANDOM_SEED_UPDATE);
	if (ret_code != SHA204_SUCCESS) {
		Serial.print(F("Random serial generation failed. Response: "));
		Serial.println(ret_code, HEX);
		halt();
	} else {
		memcpy(key, rx_buffer+SHA204_BUFFER_POS_DATA, 9);
	}
	if (lockConfig == 0x00) {
		Serial.println(F("This value will be stored in EEPROM as soft serial:"));
	} else {
		Serial.println(F("Serial is not randomized (configuration not locked):"));
	}
#endif // not USE_SOFT_SIGNING
#endif // not USER_SOFT_SERIAL
	Serial.print("#define MY_SOFT_SERIAL ");
	for (int i=0; i<9; i++) {
		Serial.print("0x");
		if (key[i] < 0x10) {
			Serial.print('0'); // Because Serial.print does not 0-pad HEX
		}
		Serial.print(key[i], HEX);
		if (i < 8) {
			Serial.print(',');
		}
	}
	Serial.println();
	hwWriteConfigBlock((void*)key, (void*)EEPROM_SIGNING_SOFT_SERIAL_ADDRESS, 9);
#endif // STORE_SOFT_SERIAL

#ifdef STORE_AES_KEY
#ifdef USER_AES_KEY
	memcpy(key, user_aes_key, 16);
	Serial.println(F("Using this user supplied AES key:"));
#else
	// Retrieve random value to use as key
#ifdef USE_SOFT_SIGNING
	for (int i = 0; i < 16; i++) {
		key[i] = random(256) ^ micros();
		unsigned long enter = hwMillis();
		while (hwMillis() - enter < (unsigned long)2);
	}
	Serial.println(F("This key will be stored in EEPROM as AES key:"));
#else
	ret_code = sha204.sha204m_random(tx_buffer, rx_buffer, RANDOM_SEED_UPDATE);
	if (ret_code != SHA204_SUCCESS) {
		Serial.print(F("Random key generation failed. Response: "));
		Serial.println(ret_code, HEX);
		halt();
	} else {
		memcpy(key, rx_buffer+SHA204_BUFFER_POS_DATA, 32);
	}
	if (lockConfig == 0x00) {
		Serial.println(F("This key will be stored in EEPROM as AES key:"));
	} else {
		Serial.println(F("Key is not randomized (configuration not locked):"));
	}
#endif // not USE_SOFT_SIGNING
#endif // not USER_AES_KEY
	Serial.print("#define MY_AES_KEY ");
	for (int i=0; i<16; i++) {
		Serial.print("0x");
		if (key[i] < 0x10) {
			Serial.print('0'); // Because Serial.print does not 0-pad HEX
		}
		Serial.print(key[i], HEX);
		if (i < 15) {
			Serial.print(',');
		}
	}
	Serial.println();
	hwWriteConfigBlock((void*)key, (void*)EEPROM_RF_ENCRYPTION_AES_KEY_ADDRESS, 16);
#endif // STORE_AES_KEY

#ifdef USE_SOFT_SIGNING
	Serial.println(F("EEPROM configuration:"));
	dump_configuration();
#else
	// Output device revision on console
	ret_code = sha204.sha204m_dev_rev(tx_buffer, rx_buffer);
	if (ret_code != SHA204_SUCCESS) {
		Serial.print(F("Failed to determine device revision. Response: "));
		Serial.println(ret_code, HEX);
		halt();
	} else {
		Serial.print(F("Device revision: "));
		for (int i=0; i<4; i++) {
			if (rx_buffer[SHA204_BUFFER_POS_DATA+i] < 0x10) {
				Serial.print('0'); // Because Serial.print does not 0-pad HEX
			}
			Serial.print(rx_buffer[SHA204_BUFFER_POS_DATA+i], HEX);
		}
		Serial.println();
	}

	// Output serial number on console
	ret_code = sha204.getSerialNumber(rx_buffer);
	if (ret_code != SHA204_SUCCESS) {
		Serial.print(F("Failed to obtain device serial number. Response: "));
		Serial.println(ret_code, HEX);
		halt();
	} else {
		Serial.print(F("Device serial:   "));
		Serial.print('{');
		for (int i=0; i<9; i++) {
			Serial.print(F("0x"));
			if (rx_buffer[i] < 0x10) {
				Serial.print('0'); // Because Serial.print does not 0-pad HEX
			}
			Serial.print(rx_buffer[i], HEX);
			if (i < 8) {
				Serial.print(',');
			}
		}
		Serial.print('}');
		Serial.println();
		for (int i=0; i<9; i++) {
			if (rx_buffer[i] < 0x10) {
				Serial.print('0'); // Because Serial.print does not 0-pad HEX
			}
			Serial.print(rx_buffer[i], HEX);
		}
		Serial.println();
	}

	if (lockConfig != 0x00) {
		// Write config and get CRC for the updated config
		crc = write_config_and_get_crc();

		// List current configuration before attempting to lock
		Serial.println(F("Chip configuration:"));
		dump_configuration();

#ifdef LOCK_CONFIGURATION
		// Purge serial input buffer
#ifndef SKIP_UART_CONFIRMATION
		while (Serial.available()) {
			Serial.read();
		}
		Serial.println(F("Send SPACE character now to lock the configuration..."));

		while (Serial.available() == 0);
		if (Serial.read() == ' ')
#endif //not SKIP_UART_CONFIRMATION
		{
			Serial.println(F("Locking configuration..."));

			// Correct sequence, resync chip
			ret_code = sha204.sha204c_resync(SHA204_RSP_SIZE_MAX, rx_buffer);
			if (ret_code != SHA204_SUCCESS && ret_code != SHA204_RESYNC_WITH_WAKEUP) {
				Serial.print(F("Resync failed. Response: "));
				Serial.println(ret_code, HEX);
				halt();
			}

			// Lock configuration zone
			ret_code = sha204.sha204m_execute(SHA204_LOCK, SHA204_ZONE_CONFIG,
			                                  crc, 0, NULL, 0, NULL, 0, NULL,
			                                  LOCK_COUNT, tx_buffer, LOCK_RSP_SIZE, rx_buffer);
			if (ret_code != SHA204_SUCCESS) {
				Serial.print(F("Configuration lock failed. Response: "));
				Serial.println(ret_code, HEX);
				halt();
			} else {
				Serial.println(F("Configuration locked."));

				// Update lock flags after locking
				ret_code = sha204.sha204m_read(tx_buffer, rx_buffer, SHA204_ZONE_CONFIG, 0x15<<2);
				if (ret_code != SHA204_SUCCESS) {
					Serial.print(F("Failed to determine device lock status. Response: "));
					Serial.println(ret_code, HEX);
					halt();
				} else {
					lockConfig = rx_buffer[SHA204_BUFFER_POS_DATA+3];
					lockValue = rx_buffer[SHA204_BUFFER_POS_DATA+2];
				}
			}
		}
#ifndef SKIP_UART_CONFIRMATION
		else {
			Serial.println(F("Unexpected answer. Skipping lock."));
		}
#endif //not SKIP_UART_CONFIRMATION
#else //LOCK_CONFIGURATION
		Serial.println(F("Configuration not locked. Define LOCK_CONFIGURATION to lock for real."));
#endif
	} else {
		Serial.println(F("Skipping configuration write and lock (configuration already locked)."));
		Serial.println(F("Chip configuration:"));
		dump_configuration();
	}

#ifdef SKIP_KEY_STORAGE
	Serial.println(F("Disable SKIP_KEY_STORAGE to store key."));
#else
#ifdef USER_KEY
	memcpy(key, user_key_data, 32);
	Serial.println(F("Using this user supplied HMAC key:"));
#else
	// Retrieve random value to use as key
	ret_code = sha204.sha204m_random(tx_buffer, rx_buffer, RANDOM_SEED_UPDATE);
	if (ret_code != SHA204_SUCCESS) {
		Serial.print(F("Random key generation failed. Response: "));
		Serial.println(ret_code, HEX);
		halt();
	} else {
		memcpy(key, rx_buffer+SHA204_BUFFER_POS_DATA, 32);
	}
	if (lockConfig == 0x00) {
		Serial.println(F("Take note of this key, it will never be the shown again:"));
	} else {
		Serial.println(F("Key is not randomized (configuration not locked):"));
	}
#endif
	Serial.print("#define MY_HMAC_KEY ");
	for (int i=0; i<32; i++) {
		Serial.print("0x");
		if (key[i] < 0x10) {
			Serial.print('0'); // Because Serial.print does not 0-pad HEX
		}
		Serial.print(key[i], HEX);
		if (i < 31) {
			Serial.print(',');
		}
		if (i+1 == 16) {
			Serial.print("\\\n                    ");
		}
	}
	Serial.println();

	// It will not be possible to write the key if the configuration zone is unlocked
	if (lockConfig == 0x00) {
		// Write the key to the appropriate slot in the data zone
		Serial.println(F("Writing key to slot 0..."));
		write_key(key);
	} else {
		Serial.println(F("Skipping key storage (configuration not locked)."));
		Serial.println(F("The configuration must be locked to be able to write a key."));
	}
#endif

	if (lockValue != 0x00) {
#ifdef LOCK_DATA
#ifndef SKIP_UART_CONFIRMATION
		while (Serial.available()) {
			Serial.read();
		}
		Serial.println(F("Send SPACE character to lock data..."));
		while (Serial.available() == 0);
		if (Serial.read() == ' ')
#endif //not SKIP_UART_CONFIRMATION
		{
			// Correct sequence, resync chip
			ret_code = sha204.sha204c_resync(SHA204_RSP_SIZE_MAX, rx_buffer);
			if (ret_code != SHA204_SUCCESS && ret_code != SHA204_RESYNC_WITH_WAKEUP) {
				Serial.print(F("Resync failed. Response: "));
				Serial.println(ret_code, HEX);
				halt();
			}

			// If configuration is unlocked, key is not updated. Locking data in this case will cause
			// slot 0 to contain an unknown (or factory default) key, and this is in practically any
			// usecase not the desired behaviour, so ask for additional confirmation in this case.
			if (lockConfig != 0x00) {
				while (Serial.available()) {
					Serial.read();
				}
				Serial.println(F("*** ATTENTION ***"));
				Serial.println(F("Configuration is not locked. Are you ABSULOUTELY SURE you want to lock data?"));
				Serial.println(F("Locking data at this stage will cause slot 0 to contain a factory default key"));
				Serial.println(
				    F("which cannot be change after locking is done. This is in practically any usecase"));
				Serial.println(F("NOT the desired behavour. Send SPACE character now to lock data anyway..."));
				while (Serial.available() == 0);
				if (Serial.read() != ' ') {
					Serial.println(F("Unexpected answer. Skipping lock."));
					halt();
				}
			}

			// Lock data zone
			ret_code = sha204.sha204m_execute(SHA204_LOCK, SHA204_ZONE_DATA | LOCK_ZONE_NO_CRC,
			                                  0x0000, 0, NULL, 0, NULL, 0, NULL,
			                                  LOCK_COUNT, tx_buffer, LOCK_RSP_SIZE, rx_buffer);
			if (ret_code != SHA204_SUCCESS) {
				Serial.print(F("Data lock failed. Response: "));
				Serial.println(ret_code, HEX);
				halt();
			} else {
				Serial.println(F("Data locked."));

				// Update lock flags after locking
				ret_code = sha204.sha204m_read(tx_buffer, rx_buffer, SHA204_ZONE_CONFIG, 0x15<<2);
				if (ret_code != SHA204_SUCCESS) {
					Serial.print(F("Failed to determine device lock status. Response: "));
					Serial.println(ret_code, HEX);
					halt();
				} else {
					lockConfig = rx_buffer[SHA204_BUFFER_POS_DATA+3];
					lockValue = rx_buffer[SHA204_BUFFER_POS_DATA+2];
				}
			}
		}
#ifndef SKIP_UART_CONFIRMATION
		else {
			Serial.println(F("Unexpected answer. Skipping lock."));
		}
#endif //not SKIP_UART_CONFIRMATION
#else //LOCK_DATA
		Serial.println(F("Data not locked. Define LOCK_DATA to lock for real."));
#endif
	} else {
		Serial.println(F("Skipping OTP/data zone lock (zone already locked)."));
	}
#endif // not USE_SOFT_SIGNING

	Serial.println(F("--------------------------------"));
	Serial.println(F("Personalization is now complete."));
#ifndef USE_SOFT_SIGNING
	Serial.print(F("Configuration is "));
	if (lockConfig == 0x00) {
		Serial.println("LOCKED");
	} else {
		Serial.println("UNLOCKED");
	}
	Serial.print(F("Data is "));
	if (lockValue == 0x00) {
		Serial.println("LOCKED");
	} else {
		Serial.println("UNLOCKED");
	}
#endif
}

/** @brief Sketch execution code */
void loop()
{
}

meddie

@Anticimex
and this is the serial output:

This key will be stored in EEPROM as AES key:
#define MY_AES_KEY 0x6A,0x2B,0xF7,0xFB,0x03,0x8D,0x03,0x85,0x4D,0xDA,0x2D,0x89,0x9F,0xAD,0x8B,0x4F
EEPROM configuration:
SOFT_HMAC_KEY | 01FFFFFFFFFFFFFFFFFFFFFFFFFFFFFF0BFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF
SOFT_SERIAL   | 10FFFFFFFFFFFFFFFF
AES_KEY       | 6AFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF
--------------------------------
Personalization is now complete.

Anticimex

@meddie ok, clearly there is some issue with eeprom storage on samd then.

Anticimex

We will investigate this further. Thanks for identifying the issue. Perhaps you could test signing with atsha on the gateway. That should work since it does not depend on eeprom.

meddie

@Anticimex
thank you very much for your support and for your patience with me!!!!
i just tried and the signing is working fine!!!!
i look forward to try the encryption! i

Anticimex

@meddie you are so welcome! Glad that signing works for you. That is actually more complicated than encryption. We (the core team) have confirmed a problem with the write routine to the I2C eeprom on the SenseBender gateway. So people are investigating.

Anticimex

@meddie the development branch has been updated with a bug fix for the eeprom problem on samd based boards. If you pull the latest changes you should be able to properly personalize the AES key so that encryption will work.

meddie

@Anticimex
Hi, i just tried it out and now it and it has worked! The Aes key is stored correctly! BUT i get now an error on compile the gateway sketch

C:\Users\meddie\Documents\Arduino\SenseebnderGW_LAN_NRF24\SenseebnderGW_LAN_NRF24.ino\SenseebnderGW_LAN_NRF24.ino.ino: In function 'bool testEEProm()':

SenseebnderGW_LAN_NRF24.ino:315: error: 'i2c_eeprom_read_byte' was not declared in this scope

   eeprom_d1 = i2c_eeprom_read_byte(EEPROM_VERIFICATION_ADDRESS);

                                                               ^

SenseebnderGW_LAN_NRF24.ino:318: error: 'i2c_eeprom_write_byte' was not declared in this scope

   i2c_eeprom_write_byte(EEPROM_VERIFICATION_ADDRESS, eeprom_d1);

i could use the stable lib again then it should compile, but i think you would like to know that an error occours.
Greets Eddie

Anticimex

@meddie thanks for reporting! @tbowmo something that slipped through the Jenkins filter?

Anticimex

@meddie the sketch you compile, is it from the MySensors library examples tree, the external examples repository, or a local sketch?

meddie

@Anticimex
its combined from two example sketches sensebendergateway and gatewayw5100 example sketch

Anticimex

@meddie ok, if it is a local construction, it might be an expected error due to api changes in the library, in which case you need to update locally. The examples from the repository should compile ok.

meddie

i used the stable lib and comiled the sketch both features are now working encryption and signing! Thank you very much!!!!! I will try to update the example lib and try again.

I got just the next problem the space from sensebender micro is not enought to use all three features signing, encryption and ota. When i use AES and Signing i get over 109%, when i use the example sketch temp and humidty meassure.

Greets Eddie

Anticimex

@meddie you could consider using a conversion board (@tbowmo has published one at openhardware.io) and use rfm69 radios which do AES encryption in hw. It should put less strain on memory resources.

alexsh1

@Anticimex I am using a default SensebenderGatewaySerial sketch and get the following error when compiling:

In file included from C:\Users\Alex\Documents\Arduino\SensebenderGatewaySerial-2.1.1\SensebenderGatewaySerial-2.1.1.ino:98:0:

C:\Users\Alex\Documents\Arduino\libraries\MySensors/drivers/ATSHA204/ATSHA204.cpp:6:16: error: redefinition of 'uint8_t device_pin'

 static uint8_t device_pin;

                ^

In file included from C:\Users\Alex\Documents\Arduino\libraries\MySensors/MySensors.h:131:0,

                 from C:\Users\Alex\Documents\Arduino\SensebenderGatewaySerial-2.1.1\SensebenderGatewaySerial-2.1.1.ino:96:

C:\Users\Alex\Documents\Arduino\libraries\MySensors/drivers/ATSHA204/ATSHA204.cpp:6:16: error: 'uint8_t device_pin' previously declared here

 static uint8_t device_pin;

                ^

In file included from C:\Users\Alex\Documents\Arduino\SensebenderGatewaySerial-2.1.1\SensebenderGatewaySerial-2.1.1.ino:98:0:

C:\Users\Alex\Documents\Arduino\libraries\MySensors/drivers/ATSHA204/ATSHA204.cpp: In function 'void swi_set_signal_pin(uint8_t)':

C:\Users\Alex\Documents\Arduino\libraries\MySensors/drivers/ATSHA204/ATSHA204.cpp:24:13: error: redefinition of 'void swi_set_signal_pin(uint8_t)'

 static void swi_set_signal_pin(uint8_t is_high)

             ^

In file included from C:\Users\Alex\Documents\Arduino\libraries\MySensors/MySensors.h:131:0,

                 from C:\Users\Alex\Documents\Arduino\SensebenderGatewaySerial-2.1.1\SensebenderGatewaySerial-2.1.1.ino:96:

C:\Users\Alex\Documents\Arduino\libraries\MySensors/drivers/ATSHA204/ATSHA204.cpp:24:13: error: 'void swi_set_signal_pin(uint8_t)' previously defined here

 static void swi_set_signal_pin(uint8_t is_high)

             ^

In file included from C:\Users\Alex\Documents\Arduino\SensebenderGatewaySerial-2.1.1\SensebenderGatewaySerial-2.1.1.ino:98:0:

C:\Users\Alex\Documents\Arduino\libraries\MySensors/drivers/ATSHA204/ATSHA204.cpp: In function 'uint8_t swi_send_bytes(uint8_t, uint8_t*)':

C:\Users\Alex\Documents\Arduino\libraries\MySensors/drivers/ATSHA204/ATSHA204.cpp:35:16: error: redefinition of 'uint8_t swi_send_bytes(uint8_t, uint8_t*)'

 static uint8_t swi_send_bytes(uint8_t count, uint8_t *buffer)

                ^

In file included from C:\Users\Alex\Documents\Arduino\libraries\MySensors/MySensors.h:131:0,

                 from C:\Users\Alex\Documents\Arduino\SensebenderGatewaySerial-2.1.1\SensebenderGatewaySerial-2.1.1.ino:96:

C:\Users\Alex\Documents\Arduino\libraries\MySensors/drivers/ATSHA204/ATSHA204.cpp:35:16: error: 'uint8_t swi_send_bytes(uint8_t, uint8_t*)' previously defined here

 static uint8_t swi_send_bytes(uint8_t count, uint8_t *buffer)

                ^

In file included from C:\Users\Alex\Documents\Arduino\SensebenderGatewaySerial-2.1.1\SensebenderGatewaySerial-2.1.1.ino:98:0:

C:\Users\Alex\Documents\Arduino\libraries\MySensors/drivers/ATSHA204/ATSHA204.cpp: In function 'uint8_t swi_send_byte(uint8_t)':

C:\Users\Alex\Documents\Arduino\libraries\MySensors/drivers/ATSHA204/ATSHA204.cpp:74:16: error: redefinition of 'uint8_t swi_send_byte(uint8_t)'

 static uint8_t swi_send_byte(uint8_t value)

                ^

In file included from C:\Users\Alex\Documents\Arduino\libraries\MySensors/MySensors.h:131:0,

                 from C:\Users\Alex\Documents\Arduino\SensebenderGatewaySerial-2.1.1\SensebenderGatewaySerial-2.1.1.ino:96:

C:\Users\Alex\Documents\Arduino\libraries\MySensors/drivers/ATSHA204/ATSHA204.cpp:74:16: error: 'uint8_t swi_send_byte(uint8_t)' previously defined here

 static uint8_t swi_send_byte(uint8_t value)

                ^

In file included from C:\Users\Alex\Documents\Arduino\SensebenderGatewaySerial-2.1.1\SensebenderGatewaySerial-2.1.1.ino:98:0:

C:\Users\Alex\Documents\Arduino\libraries\MySensors/drivers/ATSHA204/ATSHA204.cpp: In function 'uint8_t swi_receive_bytes(uint8_t, uint8_t*)':

C:\Users\Alex\Documents\Arduino\libraries\MySensors/drivers/ATSHA204/ATSHA204.cpp:79:16: error: redefinition of 'uint8_t swi_receive_bytes(uint8_t, uint8_t*)'

 static uint8_t swi_receive_bytes(uint8_t count, uint8_t *buffer)

                ^

In file included from C:\Users\Alex\Documents\Arduino\libraries\MySensors/MySensors.h:131:0,

                 from C:\Users\Alex\Documents\Arduino\SensebenderGatewaySerial-2.1.1\SensebenderGatewaySerial-2.1.1.ino:96:

C:\Users\Alex\Documents\Arduino\libraries\MySensors/drivers/ATSHA204/ATSHA204.cpp:79:16: error: 'uint8_t swi_receive_bytes(uint8_t, uint8_t*)' previously defined here

 static uint8_t swi_receive_bytes(uint8_t count, uint8_t *buffer)

                ^

In file included from C:\Users\Alex\Documents\Arduino\SensebenderGatewaySerial-2.1.1\SensebenderGatewaySerial-2.1.1.ino:98:0:

C:\Users\Alex\Documents\Arduino\libraries\MySensors/drivers/ATSHA204/ATSHA204.cpp: In function 'uint8_t sha204p_receive_response(uint8_t, uint8_t*)':

C:\Users\Alex\Documents\Arduino\libraries\MySensors/drivers/ATSHA204/ATSHA204.cpp:178:16: error: redefinition of 'uint8_t sha204p_receive_response(uint8_t, uint8_t*)'

 static uint8_t sha204p_receive_response(uint8_t size, uint8_t *response)

                ^

In file included from C:\Users\Alex\Documents\Arduino\libraries\MySensors/MySensors.h:131:0,

                 from C:\Users\Alex\Documents\Arduino\SensebenderGatewaySerial-2.1.1\SensebenderGatewaySerial-2.1.1.ino:96:

C:\Users\Alex\Documents\Arduino\libraries\MySensors/drivers/ATSHA204/ATSHA204.cpp:178:16: error: 'uint8_t sha204p_receive_response(uint8_t, uint8_t*)' previously defined here

 static uint8_t sha204p_receive_response(uint8_t size, uint8_t *response)

                ^

In file included from C:\Users\Alex\Documents\Arduino\SensebenderGatewaySerial-2.1.1\SensebenderGatewaySerial-2.1.1.ino:98:0:

C:\Users\Alex\Documents\Arduino\libraries\MySensors/drivers/ATSHA204/ATSHA204.cpp: In function 'uint8_t sha204c_resync(uint8_t, uint8_t*)':

C:\Users\Alex\Documents\Arduino\libraries\MySensors/drivers/ATSHA204/ATSHA204.cpp:212:16: error: redefinition of 'uint8_t sha204c_resync(uint8_t, uint8_t*)'

 static uint8_t sha204c_resync(uint8_t size, uint8_t *response)

                ^

In file included from C:\Users\Alex\Documents\Arduino\libraries\MySensors/MySensors.h:131:0,

                 from C:\Users\Alex\Documents\Arduino\SensebenderGatewaySerial-2.1.1\SensebenderGatewaySerial-2.1.1.ino:96:

C:\Users\Alex\Documents\Arduino\libraries\MySensors/drivers/ATSHA204/ATSHA204.cpp:212:16: error: 'uint8_t sha204c_resync(uint8_t, uint8_t*)' previously defined here

 static uint8_t sha204c_resync(uint8_t size, uint8_t *response)

                ^

In file included from C:\Users\Alex\Documents\Arduino\SensebenderGatewaySerial-2.1.1\SensebenderGatewaySerial-2.1.1.ino:98:0:

C:\Users\Alex\Documents\Arduino\libraries\MySensors/drivers/ATSHA204/ATSHA204.cpp: In function 'uint8_t sha204c_send_and_receive(uint8_t*, uint8_t, uint8_t*, uint8_t, uint8_t)':

C:\Users\Alex\Documents\Arduino\libraries\MySensors/drivers/ATSHA204/ATSHA204.cpp:234:16: error: redefinition of 'uint8_t sha204c_send_and_receive(uint8_t*, uint8_t, uint8_t*, uint8_t, uint8_t)'

 static uint8_t sha204c_send_and_receive(uint8_t *tx_buffer, uint8_t rx_size, uint8_t *rx_buffer,

                ^

In file included from C:\Users\Alex\Documents\Arduino\libraries\MySensors/MySensors.h:131:0,

                 from C:\Users\Alex\Documents\Arduino\SensebenderGatewaySerial-2.1.1\SensebenderGatewaySerial-2.1.1.ino:96:

C:\Users\Alex\Documents\Arduino\libraries\MySensors/drivers/ATSHA204/ATSHA204.cpp:234:16: error: 'uint8_t sha204c_send_and_receive(uint8_t*, uint8_t, uint8_t*, uint8_t, uint8_t)' previously defined here

 static uint8_t sha204c_send_and_receive(uint8_t *tx_buffer, uint8_t rx_size, uint8_t *rx_buffer,

                ^

In file included from C:\Users\Alex\Documents\Arduino\SensebenderGatewaySerial-2.1.1\SensebenderGatewaySerial-2.1.1.ino:98:0:

C:\Users\Alex\Documents\Arduino\libraries\MySensors/drivers/ATSHA204/ATSHA204.cpp: In function 'uint8_t sha204m_read(uint8_t*, uint8_t*, uint8_t, uint16_t)':

C:\Users\Alex\Documents\Arduino\libraries\MySensors/drivers/ATSHA204/ATSHA204.cpp:379:16: error: redefinition of 'uint8_t sha204m_read(uint8_t*, uint8_t*, uint8_t, uint16_t)'

 static uint8_t sha204m_read(uint8_t *tx_buffer, uint8_t *rx_buffer, uint8_t zone, uint16_t address)

                ^

In file included from C:\Users\Alex\Documents\Arduino\libraries\MySensors/MySensors.h:131:0,

                 from C:\Users\Alex\Documents\Arduino\SensebenderGatewaySerial-2.1.1\SensebenderGatewaySerial-2.1.1.ino:96:

C:\Users\Alex\Documents\Arduino\libraries\MySensors/drivers/ATSHA204/ATSHA204.cpp:379:16: error: 'uint8_t sha204m_read(uint8_t*, uint8_t*, uint8_t, uint16_t)' previously defined here

 static uint8_t sha204m_read(uint8_t *tx_buffer, uint8_t *rx_buffer, uint8_t zone, uint16_t address)

                ^

In file included from C:\Users\Alex\Documents\Arduino\SensebenderGatewaySerial-2.1.1\SensebenderGatewaySerial-2.1.1.ino:98:0:

C:\Users\Alex\Documents\Arduino\libraries\MySensors/drivers/ATSHA204/ATSHA204.cpp: In function 'void sha204c_calculate_crc(uint8_t, uint8_t*, uint8_t*)':

C:\Users\Alex\Documents\Arduino\libraries\MySensors/drivers/ATSHA204/ATSHA204.cpp:399:13: error: redefinition of 'void sha204c_calculate_crc(uint8_t, uint8_t*, uint8_t*)'

 static void sha204c_calculate_crc(uint8_t length, uint8_t *data, uint8_t *crc)

             ^

In file included from C:\Users\Alex\Documents\Arduino\libraries\MySensors/MySensors.h:131:0,

                 from C:\Users\Alex\Documents\Arduino\SensebenderGatewaySerial-2.1.1\SensebenderGatewaySerial-2.1.1.ino:96:

C:\Users\Alex\Documents\Arduino\libraries\MySensors/drivers/ATSHA204/ATSHA204.cpp:399:13: error: 'void sha204c_calculate_crc(uint8_t, uint8_t*, uint8_t*)' previously defined here

 static void sha204c_calculate_crc(uint8_t length, uint8_t *data, uint8_t *crc)

             ^

In file included from C:\Users\Alex\Documents\Arduino\SensebenderGatewaySerial-2.1.1\SensebenderGatewaySerial-2.1.1.ino:98:0:

C:\Users\Alex\Documents\Arduino\libraries\MySensors/drivers/ATSHA204/ATSHA204.cpp: In function 'uint8_t sha204c_check_crc(uint8_t*)':

C:\Users\Alex\Documents\Arduino\libraries\MySensors/drivers/ATSHA204/ATSHA204.cpp:424:16: error: redefinition of 'uint8_t sha204c_check_crc(uint8_t*)'

 static uint8_t sha204c_check_crc(uint8_t *response)

                ^

In file included from C:\Users\Alex\Documents\Arduino\libraries\MySensors/MySensors.h:131:0,

                 from C:\Users\Alex\Documents\Arduino\SensebenderGatewaySerial-2.1.1\SensebenderGatewaySerial-2.1.1.ino:96:

C:\Users\Alex\Documents\Arduino\libraries\MySensors/drivers/ATSHA204/ATSHA204.cpp:424:16: error: 'uint8_t sha204c_check_crc(uint8_t*)' previously defined here

 static uint8_t sha204c_check_crc(uint8_t *response)

                ^

In file included from C:\Users\Alex\Documents\Arduino\SensebenderGatewaySerial-2.1.1\SensebenderGatewaySerial-2.1.1.ino:98:0:

C:\Users\Alex\Documents\Arduino\libraries\MySensors/drivers/ATSHA204/ATSHA204.cpp: In function 'void atsha204_init(uint8_t)':

C:\Users\Alex\Documents\Arduino\libraries\MySensors/drivers/ATSHA204/ATSHA204.cpp:438:6: error: redefinition of 'void atsha204_init(uint8_t)'

 void atsha204_init(uint8_t pin)

      ^

In file included from C:\Users\Alex\Documents\Arduino\libraries\MySensors/MySensors.h:131:0,

                 from C:\Users\Alex\Documents\Arduino\SensebenderGatewaySerial-2.1.1\SensebenderGatewaySerial-2.1.1.ino:96:

C:\Users\Alex\Documents\Arduino\libraries\MySensors/drivers/ATSHA204/ATSHA204.cpp:438:6: error: 'void atsha204_init(uint8_t)' previously defined here

 void atsha204_init(uint8_t pin)

      ^

In file included from C:\Users\Alex\Documents\Arduino\SensebenderGatewaySerial-2.1.1\SensebenderGatewaySerial-2.1.1.ino:98:0:

C:\Users\Alex\Documents\Arduino\libraries\MySensors/drivers/ATSHA204/ATSHA204.cpp: In function 'void atsha204_idle()':

C:\Users\Alex\Documents\Arduino\libraries\MySensors/drivers/ATSHA204/ATSHA204.cpp:455:6: error: redefinition of 'void atsha204_idle()'

 void atsha204_idle(void)

      ^

In file included from C:\Users\Alex\Documents\Arduino\libraries\MySensors/MySensors.h:131:0,

                 from C:\Users\Alex\Documents\Arduino\SensebenderGatewaySerial-2.1.1\SensebenderGatewaySerial-2.1.1.ino:96:

C:\Users\Alex\Documents\Arduino\libraries\MySensors/drivers/ATSHA204/ATSHA204.cpp:455:6: error: 'void atsha204_idle()' previously defined here

 void atsha204_idle(void)

      ^

In file included from C:\Users\Alex\Documents\Arduino\SensebenderGatewaySerial-2.1.1\SensebenderGatewaySerial-2.1.1.ino:98:0:

C:\Users\Alex\Documents\Arduino\libraries\MySensors/drivers/ATSHA204/ATSHA204.cpp: In function 'void atsha204_sleep()':

C:\Users\Alex\Documents\Arduino\libraries\MySensors/drivers/ATSHA204/ATSHA204.cpp:460:6: error: redefinition of 'void atsha204_sleep()'

 void atsha204_sleep(void)

      ^

In file included from C:\Users\Alex\Documents\Arduino\libraries\MySensors/MySensors.h:131:0,

                 from C:\Users\Alex\Documents\Arduino\SensebenderGatewaySerial-2.1.1\SensebenderGatewaySerial-2.1.1.ino:96:

C:\Users\Alex\Documents\Arduino\libraries\MySensors/drivers/ATSHA204/ATSHA204.cpp:460:6: error: 'void atsha204_sleep()' previously defined here

 void atsha204_sleep(void)

      ^

In file included from C:\Users\Alex\Documents\Arduino\SensebenderGatewaySerial-2.1.1\SensebenderGatewaySerial-2.1.1.ino:98:0:

C:\Users\Alex\Documents\Arduino\libraries\MySensors/drivers/ATSHA204/ATSHA204.cpp: In function 'uint8_t atsha204_wakeup(uint8_t*)':

C:\Users\Alex\Documents\Arduino\libraries\MySensors/drivers/ATSHA204/ATSHA204.cpp:465:9: error: redefinition of 'uint8_t atsha204_wakeup(uint8_t*)'

 uint8_t atsha204_wakeup(uint8_t *response)

         ^

In file included from C:\Users\Alex\Documents\Arduino\libraries\MySensors/MySensors.h:131:0,

                 from C:\Users\Alex\Documents\Arduino\SensebenderGatewaySerial-2.1.1\SensebenderGatewaySerial-2.1.1.ino:96:

C:\Users\Alex\Documents\Arduino\libraries\MySensors/drivers/ATSHA204/ATSHA204.cpp:465:9: error: 'uint8_t atsha204_wakeup(uint8_t*)' previously defined here

 uint8_t atsha204_wakeup(uint8_t *response)

         ^

In file included from C:\Users\Alex\Documents\Arduino\SensebenderGatewaySerial-2.1.1\SensebenderGatewaySerial-2.1.1.ino:98:0:

C:\Users\Alex\Documents\Arduino\libraries\MySensors/drivers/ATSHA204/ATSHA204.cpp: In function 'uint8_t atsha204_execute(uint8_t, uint8_t, uint16_t, uint8_t, uint8_t*, uint8_t, uint8_t*, uint8_t, uint8_t*)':

C:\Users\Alex\Documents\Arduino\libraries\MySensors/drivers/ATSHA204/ATSHA204.cpp:495:9: error: redefinition of 'uint8_t atsha204_execute(uint8_t, uint8_t, uint16_t, uint8_t, uint8_t*, uint8_t, uint8_t*, uint8_t, uint8_t*)'

 uint8_t atsha204_execute(uint8_t op_code, uint8_t param1, uint16_t param2,

         ^

In file included from C:\Users\Alex\Documents\Arduino\libraries\MySensors/MySensors.h:131:0,

                 from C:\Users\Alex\Documents\Arduino\SensebenderGatewaySerial-2.1.1\SensebenderGatewaySerial-2.1.1.ino:96:

C:\Users\Alex\Documents\Arduino\libraries\MySensors/drivers/ATSHA204/ATSHA204.cpp:495:9: error: 'uint8_t atsha204_execute(uint8_t, uint8_t, uint16_t, uint8_t, uint8_t*, uint8_t, uint8_t*, uint8_t, uint8_t*)' previously defined here

 uint8_t atsha204_execute(uint8_t op_code, uint8_t param1, uint16_t param2,

         ^

In file included from C:\Users\Alex\Documents\Arduino\SensebenderGatewaySerial-2.1.1\SensebenderGatewaySerial-2.1.1.ino:98:0:

C:\Users\Alex\Documents\Arduino\libraries\MySensors/drivers/ATSHA204/ATSHA204.cpp: In function 'uint8_t atsha204_getSerialNumber(uint8_t*)':

C:\Users\Alex\Documents\Arduino\libraries\MySensors/drivers/ATSHA204/ATSHA204.cpp:571:9: error: redefinition of 'uint8_t atsha204_getSerialNumber(uint8_t*)'

 uint8_t atsha204_getSerialNumber(uint8_t * response)

         ^

In file included from C:\Users\Alex\Documents\Arduino\libraries\MySensors/MySensors.h:131:0,

                 from C:\Users\Alex\Documents\Arduino\SensebenderGatewaySerial-2.1.1\SensebenderGatewaySerial-2.1.1.ino:96:

C:\Users\Alex\Documents\Arduino\libraries\MySensors/drivers/ATSHA204/ATSHA204.cpp:571:9: error: 'uint8_t atsha204_getSerialNumber(uint8_t*)' previously defined here

 uint8_t atsha204_getSerialNumber(uint8_t * response)

         ^

Multiple libraries were found for "SD.h"
 Used: C:\Users\Alex\Documents\Arduino\libraries\SD
 Not used: C:\Program Files (x86)\Arduino\libraries\SD
Using library MySensors at version 2.1.1 in folder: C:\Users\Alex\Documents\Arduino\libraries\MySensors 
Using library Wire at version 1.0 in folder: C:\Users\Alex\AppData\Local\Arduino15\packages\arduino\hardware\samd\1.6.12\libraries\Wire 
Using library SPI at version 1.0 in folder: C:\Users\Alex\AppData\Local\Arduino15\packages\arduino\hardware\samd\1.6.12\libraries\SPI 
Using library SD at version 1.1.1 in folder: C:\Users\Alex\Documents\Arduino\libraries\SD 
exit status 1
Error compiling for board Sensebender Gateway.

If I delete "#include <drivers/ATSHA204/ATSHA204.cpp>", it compiles just fine.
Any ideas please?

I am using Mysensors 2.1.1, Arduino IDE 1.8.1 and latest SAMD board def.

[security] Introducing signing support to MySensors

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