# Initialize the i2c bus
i2c = busio.I2C(board.SCL, board.SDA, frequency=_WAKE_CLK_FREQ)
# Initialize a new atecc object
atecc = ATECC(i2c)
print("ATECC Serial Number: ", atecc.serial_number)
if not atecc.locked:
if not LOCK_ATECC:
raise RuntimeError(
"The ATECC is not locked, set LOCK_ATECC to True in code.py."
)
print("Writing default configuration to the device...")
atecc.write_config(CFG_TLS)
print("Wrote configuration, locking ATECC module...")
# Lock ATECC config, data, and otp zones
atecc.lock_all_zones()
print("ATECC locked!")
print("Generating Certificate Signing Request...")
# Initialize a certificate signing request with provided info
csr = cert_utils.CSR(
atecc,
ATECC_SLOT,
GENERATE_PRIVATE_KEY,
MY_COUNTRY,
MY_STATE,
MY_CITY,
MY_ORG,
# -- END Configuration, code below -- #
# Initialize the i2c bus
i2c = busio.I2C(board.SCL, board.SDA,
frequency=_WAKE_CLK_FREQ)
# Initialize an atecc object
atecc = ATECC(i2c, debug=False)
print("ATECC Serial Number: ", atecc.serial_number)
if not atecc.locked:
if not LOCK_ATECC:
raise RuntimeError("The ATECC is not locked, set LOCK_ATECC to True in your code to unlock it.")
print("Writing default configuration to the device...")
atecc.write_config(adafruit_atecc.CFG_TLS)
print("Wrote configuration, locking ATECC module...")
# lock configuration zone
atecc.lock(lock_config=True)
# lock data and otp zones
atecc.lock(lock_data_otp=True)
print("ATECC locked!")
# Initialize a certificate signing request with provided info
csr = cert_utils.CSR(atecc, ATECC_SLOT, GENERATE_PRIVATE_KEY, MY_COUNTRY, MY_STATE,
MY_CITY, MY_ORG, MY_SECTION)
# Generate CSR
my_csr = csr.generate_csr()
print("-----BEGIN CERTIFICATE REQUEST-----\n")