CryptoAuthLib - Microchip CryptoAuthentication Library

Introduction

Microchip CryptoAuth devices SDK for:

• ATECC*08A
• ATSHA204A

Check out more infos on original repository

More features

• Add support for Arduino devices using Wire library.
• Modify some code for ESP32 to be more easy to use.

How to use

1. Include cryptoauthlib.h in your code.
2. Configure cryptoauthlib.h for boards.

// Enable for ESP32
// Disable for Arduino
// #define ATCA_HAL_ESP32

#ifdef ATCA_HAL_ESP32
#define USE_MBEDTLS

// Change I2C pinout here
#define SDA_PIN 25
#define SCL_PIN 26

#endif

3. Happy coding!

// Arduino
ATCAIfaceCfg cfg = cfg_ateccx08a_i2c_arduino;

// ESP32
// ATCAIfaceCfg cfg = cfg_ateccx08a_i2c_esp32;

ATCA_STATUS ret = atcab_init(&cfg);

// Get random number
uint8_t rand[32];
ret = atcab_random(rand);

if(ret != ATCA_SUCCESS){
    Serial.printf("ATCA Error ret = %02X\n", ret);
}