Ran black, updated to pylint 2.x

This commit is contained in:
dherrada 2020-03-12 19:08:27 -04:00
parent 95e8df6c4a
commit f3c9bd653a
8 changed files with 194 additions and 153 deletions

View file

@ -40,7 +40,7 @@ jobs:
source actions-ci/install.sh
- name: Pip install pylint, black, & Sphinx
run: |
pip install --force-reinstall pylint==1.9.2 black==19.10b0 Sphinx sphinx-rtd-theme
pip install --force-reinstall pylint black==19.10b0 Sphinx sphinx-rtd-theme
- name: Library version
run: git describe --dirty --always --tags
- name: PyLint

View file

@ -77,8 +77,8 @@ _ATECC_508_VER = const(0x50)
_ATECC_608_VER = const(0x60)
# Clock constants
_WAKE_CLK_FREQ = 100000 # slower clock speed
_TWLO_TIME = 6e-5 # TWlo, in microseconds
_WAKE_CLK_FREQ = 100000 # slower clock speed
_TWLO_TIME = 6e-5 # TWlo, in microseconds
# Command Opcodes (9-1-3)
OP_COUNTER = const(0x24)
@ -92,30 +92,34 @@ OP_SIGN = const(0x41)
OP_WRITE = const(0x12)
# Maximum execution times, in milliseconds (9-4)
EXEC_TIME = {OP_COUNTER: const(20),
OP_INFO: const(1),
OP_NONCE: const(7),
OP_RANDOM: const(23),
OP_SHA: const(47),
OP_LOCK: const(32),
OP_GEN_KEY: const(115),
OP_SIGN : const(70),
OP_WRITE : const(26)}
EXEC_TIME = {
OP_COUNTER: const(20),
OP_INFO: const(1),
OP_NONCE: const(7),
OP_RANDOM: const(23),
OP_SHA: const(47),
OP_LOCK: const(32),
OP_GEN_KEY: const(115),
OP_SIGN: const(70),
OP_WRITE: const(26),
}
CFG_TLS = b'\x01#\x00\x00\x00\x00P\x00\x00\x00\x00\x00\x00\xc0q\x00 \
CFG_TLS = b"\x01#\x00\x00\x00\x00P\x00\x00\x00\x00\x00\x00\xc0q\x00 \
\xc0\x00U\x00\x83 \x87 \x87 \x87/\x87/\x8f\x8f\x9f\x8f\xaf \
\x8f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00 \
\xaf\x8f\xff\xff\xff\xff\x00\x00\x00\x00\xff\xff\xff\xff\x00 \
\x00\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff \
\xff\xff\xff\xff\x00\x00UU\xff\xff\x00\x00\x00\x00\x00\x003 \
\x003\x003\x003\x003\x00\x1c\x00\x1c\x00\x1c\x00<\x00<\x00<\x00< \
\x00<\x00<\x00<\x00\x1c\x00'
\x00<\x00<\x00<\x00\x1c\x00"
class ATECC:
"""
CircuitPython interface for ATECCx08A Crypto Co-Processor Devices.
"""
def __init__(self, i2c_bus, address=_REG_ATECC_DEVICE_ADDR, debug=False):
"""Initializes an ATECC device.
:param busio i2c_bus: I2C Bus object.
@ -132,7 +136,9 @@ class ATECC:
self._i2c_device = I2CDevice(self._i2c_bus, address)
self.idle()
if (self.version() >> 8) not in (_ATECC_508_VER, _ATECC_608_VER):
raise RuntimeError("Failed to find 608 or 508 chip. Please check your wiring.")
raise RuntimeError(
"Failed to find 608 or 508 chip. Please check your wiring."
)
def wakeup(self):
"""Wakes up THE ATECC608A from sleep or idle modes.
@ -148,13 +154,13 @@ class ATECC:
try:
self._i2c_bus.writeto(0x0, zero_bits)
except OSError:
pass # this may fail, that's ok - its just to wake up the chip!
pass # this may fail, that's ok - its just to wake up the chip!
time.sleep(_TWLO_TIME)
data = self._i2c_bus.scan() # check for an i2c device
data = self._i2c_bus.scan() # check for an i2c device
try:
if data[0] != 96:
raise TypeError('ATECCx08 not found - please check your wiring!')
raise TypeError("ATECCx08 not found - please check your wiring!")
except IndexError:
raise IndexError("ATECCx08 not found - please check your wiring!")
self._i2c_bus.unlock()
@ -228,20 +234,18 @@ class ATECC:
self.lock(0)
self.lock(1)
def lock(self, zone):
"""Locks specific ATECC zones.
:param int zone: ATECC zone to lock.
"""
self.wakeup()
self._send_command(0x17, 0x80 | zone, 0x0000)
time.sleep(EXEC_TIME[OP_LOCK]/1000)
time.sleep(EXEC_TIME[OP_LOCK] / 1000)
res = bytearray(1)
self._get_response(res)
assert res[0] == 0x00, "Failed locking ATECC!"
self.idle()
def info(self, mode, param=None):
"""Returns device state information
:param int mode: Mode encoding, see Table 9-26.
@ -252,7 +256,7 @@ class ATECC:
self._send_command(OP_INFO, mode)
else:
self._send_command(OP_INFO, mode, param)
time.sleep(EXEC_TIME[OP_INFO]/1000)
time.sleep(EXEC_TIME[OP_INFO] / 1000)
info_out = bytearray(4)
self._get_response(info_out)
self.idle()
@ -281,15 +285,16 @@ class ATECC:
calculated_nonce = bytearray(1)
else:
raise RuntimeError("Invalid mode specified!")
time.sleep(EXEC_TIME[OP_NONCE]/1000)
time.sleep(EXEC_TIME[OP_NONCE] / 1000)
self._get_response(calculated_nonce)
time.sleep(1/1000)
time.sleep(1 / 1000)
if mode == 0x03:
assert calculated_nonce[0] == 0x00, "Incorrectly calculated nonce in pass-thru mode"
assert (
calculated_nonce[0] == 0x00
), "Incorrectly calculated nonce in pass-thru mode"
self.idle()
return calculated_nonce
def counter(self, counter=0, increment_counter=True):
"""Reads the binary count value from one of the two monotonic
counters located on the device within the configuration zone.
@ -306,7 +311,7 @@ class ATECC:
self._send_command(OP_COUNTER, 0x01, counter)
else:
self._send_command(OP_COUNTER, 0x00, counter)
time.sleep(EXEC_TIME[OP_COUNTER]/1000)
time.sleep(EXEC_TIME[OP_COUNTER] / 1000)
count = bytearray(4)
self._get_response(count)
self.idle()
@ -342,7 +347,7 @@ class ATECC:
data_len = len(data)
while data_len:
self._send_command(OP_RANDOM, 0x00, 0x0000)
time.sleep(EXEC_TIME[OP_RANDOM]/1000)
time.sleep(EXEC_TIME[OP_RANDOM] / 1000)
resp = bytearray(32)
self._get_response(resp)
copy_len = min(32, data_len)
@ -359,7 +364,7 @@ class ATECC:
"""
self.wakeup()
self._send_command(OP_SHA, 0x00)
time.sleep(EXEC_TIME[OP_SHA]/1000)
time.sleep(EXEC_TIME[OP_SHA] / 1000)
status = bytearray(1)
self._get_response(status)
assert status[0] == 0x00, "Error during sha_start."
@ -374,14 +379,13 @@ class ATECC:
"""
self.wakeup()
self._send_command(OP_SHA, 0x01, 64, message)
time.sleep(EXEC_TIME[OP_SHA]/1000)
time.sleep(EXEC_TIME[OP_SHA] / 1000)
status = bytearray(1)
self._get_response(status)
assert status[0] == 0x00, "Error during SHA Update"
self.idle()
return status
def sha_digest(self, message=None):
"""Returns the digest of the data passed to the
sha_update method so far.
@ -397,14 +401,13 @@ class ATECC:
self._send_command(OP_SHA, 0x02, len(message), message)
else:
self._send_command(OP_SHA, 0x02)
time.sleep(EXEC_TIME[OP_SHA]/1000)
time.sleep(EXEC_TIME[OP_SHA] / 1000)
digest = bytearray(32)
self._get_response(digest)
assert len(digest) == 32, "SHA response length does not match expected length."
self.idle()
return digest
def gen_key(self, key, slot_num, private_key=False):
"""Generates a private or public key.
:param int slot_num: ECC slot (from 0 to 4).
@ -417,7 +420,7 @@ class ATECC:
self._send_command(OP_GEN_KEY, 0x04, slot_num)
else:
self._send_command(OP_GEN_KEY, 0x00, slot_num)
time.sleep(EXEC_TIME[OP_GEN_KEY]/1000)
time.sleep(EXEC_TIME[OP_GEN_KEY] / 1000)
self._get_response(key)
time.sleep(0.001)
self.idle()
@ -442,7 +445,7 @@ class ATECC:
"""
self.wakeup()
self._send_command(0x41, 0x80, slot_id)
time.sleep(EXEC_TIME[OP_SIGN]/1000)
time.sleep(EXEC_TIME[OP_SIGN] / 1000)
signature = bytearray(64)
self._get_response(signature)
self.idle()
@ -457,7 +460,7 @@ class ATECC:
if i == 84:
# can't write
continue
self._write(0, i//4, data[i:i+4])
self._write(0, i // 4, data[i : i + 4])
def _write(self, zone, address, buffer):
self.wakeup()
@ -466,7 +469,7 @@ class ATECC:
if len(buffer) == 32:
zone |= 0x80
self._send_command(0x12, zone, address, buffer)
time.sleep(26/1000)
time.sleep(26 / 1000)
status = bytearray(1)
self._get_response(status)
self.idle()
@ -483,7 +486,7 @@ class ATECC:
time.sleep(0.001)
self.idle()
def _send_command(self, opcode, param_1, param_2=0x00, data=''):
def _send_command(self, opcode, param_1, param_2=0x00, data=""):
"""Sends a security command packet over i2c.
:param byte opcode: The command Opcode
:param byte param_1: The first parameter
@ -491,18 +494,18 @@ class ATECC:
:param byte param_3 data: Optional remaining input data.
"""
# assembling command packet
command_packet = bytearray(8+len(data))
command_packet = bytearray(8 + len(data))
# word address
command_packet[0] = 0x03
# i/o group: count
command_packet[1] = len(command_packet) - 1 # count
command_packet[1] = len(command_packet) - 1 # count
# security command packets
command_packet[2] = opcode
command_packet[3] = param_1
command_packet[4] = param_2 & 0xFF
command_packet[5] = param_2 >> 8
for i, cmd in enumerate(data):
command_packet[6+i] = cmd
command_packet[6 + i] = cmd
if self._debug:
print("Command Packet Sz: ", len(command_packet))
print("\tSending:", [hex(i) for i in command_packet])
@ -517,12 +520,11 @@ class ATECC:
# small sleep
time.sleep(0.001)
def _get_response(self, buf, length=None, retries=20):
self.wakeup()
if length is None:
length = len(buf)
response = bytearray(length+3) # 1 byte header, 2 bytes CRC, len bytes data
response = bytearray(length + 3) # 1 byte header, 2 bytes CRC, len bytes data
with self._i2c_device as i2c:
for _ in range(retries):
try:
@ -539,7 +541,7 @@ class ATECC:
if crc != crc2:
raise RuntimeError("CRC Mismatch")
for i in range(length):
buf[i] = response[i+1]
buf[i] = response[i + 1]
return response[1]
@staticmethod
@ -553,7 +555,7 @@ class ATECC:
for b in data:
for shift in range(8):
data_bit = 0
if b & (1<<shift):
if b & (1 << shift):
data_bit = 1
crc_bit = (crc >> 15) & 0x1
crc <<= 1

View file

@ -65,11 +65,11 @@ def get_signature(signature, data):
r_len = 32
s_len = 32
while (r == 0x00 and r_len > 1):
while r == 0x00 and r_len > 1:
r += 1
r_len -= 1
while (s == 0x00 and s_len > 1):
while s == 0x00 and s_len > 1:
s += 1
s_len -= 1
@ -107,8 +107,7 @@ def get_signature(signature, data):
# pylint: disable=too-many-arguments
def get_issuer_or_subject(data, country, state_prov, locality,
org, org_unit, common):
def get_issuer_or_subject(data, country, state_prov, locality, org, org_unit, common):
"""Appends issuer or subject, if they exist, to data."""
if country:
get_name(country, 0x06, data)
@ -117,9 +116,9 @@ def get_issuer_or_subject(data, country, state_prov, locality,
if locality:
get_name(locality, 0x07, data)
if org:
get_name(org, 0x0a, data)
get_name(org, 0x0A, data)
if org_unit:
get_name(org_unit, 0x0b, data)
get_name(org_unit, 0x0B, data)
if common:
get_name(common, 0x03, data)
@ -142,28 +141,30 @@ def get_name(name, obj_type, data):
data.extend(name)
return len(name) + 11
def get_version(data):
"""Appends X.509 version to data."""
# If no extensions are present, but a UniqueIdentifier
# is present, the version SHOULD be 2 (value is 1) [4-1-2]
data += b"\x02\x01\x00"
def get_sequence_header(length, data):
"""Appends sequence header to provided data."""
data += b"\x30"
if length > 255:
data += b"\x82"
data.append((length >> 8) & 0xff)
data.append((length >> 8) & 0xFF)
elif length > 127:
data += b"\x81"
length_byte = struct.pack("B", (length) & 0xff)
length_byte = struct.pack("B", (length) & 0xFF)
data += length_byte
def get_public_key(data, public_key):
"""Appends public key subject and object identifiers."""
# Subject: Public Key
data += b"\x30" + struct.pack("B", (0x59) & 0xff) + b"\x30\x13"
data += b"\x30" + struct.pack("B", (0x59) & 0xFF) + b"\x30\x13"
# Object identifier: EC Public Key
data += b"\x06\x07\x2a\x86\x48\xce\x3d\x02\x01"
# Object identifier: PRIME 256 v1
@ -171,6 +172,7 @@ def get_public_key(data, public_key):
# Extend the buffer by the public key
data += public_key
def get_signature_length(signature):
"""Return length of ECDSA signature.
:param bytearray signature: Signed SHA256 hash.
@ -180,14 +182,14 @@ def get_signature_length(signature):
r_len = 32
s_len = 32
while (r == 0x00 and r_len > 1):
while r == 0x00 and r_len > 1:
r += 1
r_len -= 1
if r & 0x80:
r_len += 1
while (s == 0x00 and s_len > 1):
while s == 0x00 and s_len > 1:
s += 1
s_len -= 1
@ -195,6 +197,7 @@ def get_signature_length(signature):
s_len += 1
return 21 + r_len + s_len
def get_sequence_header_length(seq_header_len):
"""Returns length of SEQUENCE header."""
if seq_header_len > 255:
@ -203,6 +206,7 @@ def get_sequence_header_length(seq_header_len):
return 3
return 2
def issuer_or_subject_length(country, state_prov, city, org, org_unit, common):
"""Returns total length of provided certificate information."""
tot_len = 0

View file

@ -54,6 +54,7 @@ Implementation Notes
from adafruit_binascii import b2a_base64
import adafruit_atecc.adafruit_atecc_asn1 as asn1
class CSR:
"""Certificate Signing Request Builder.
@ -67,9 +68,11 @@ class CSR:
:param str org_unit: Organizational unit name.
"""
# pylint: disable=too-many-arguments, too-many-instance-attributes
def __init__(self, atecc, slot_num, private_key, country, state_prov,
city, org, org_unit):
def __init__(
self, atecc, slot_num, private_key, country, state_prov, city, org, org_unit
):
self._atecc = atecc
self.private_key = private_key
self._slot = slot_num
@ -89,7 +92,6 @@ class CSR:
csr = self._csr_end()
return csr
def _csr_begin(self):
"""Initializes CSR generation. """
assert 0 <= self._slot <= 4, "Provided slot must be between 0 and 4."
@ -100,13 +102,17 @@ class CSR:
return
self._atecc.gen_key(self._key, self._slot, self.private_key)
def _csr_end(self):
"""Generates and returns
a certificate signing request as a base64 string."""
len_issuer_subject = asn1.issuer_or_subject_length(self._country, self._state_province,
self._locality, self._org,
self._org_unit, self._common)
len_issuer_subject = asn1.issuer_or_subject_length(
self._country,
self._state_province,
self._locality,
self._org,
self._org_unit,
self._common,
)
len_sub_header = asn1.get_sequence_header_length(len_issuer_subject)
len_csr_info = self._version_len + len_issuer_subject
@ -126,8 +132,15 @@ class CSR:
asn1.get_sequence_header(len_issuer_subject, csr_info)
# Append Issuer or Subject
asn1.get_issuer_or_subject(csr_info, self._country, self._state_province,
self._locality, self._org, self._org_unit, self._common)
asn1.get_issuer_or_subject(
csr_info,
self._country,
self._state_province,
self._locality,
self._org,
self._org_unit,
self._common,
)
# Append Public Key
asn1.get_public_key(csr_info, self._key)
@ -145,7 +158,7 @@ class CSR:
if chunk_len > 64:
chunk_len = 64
if chunk_len == 64:
self._atecc.sha_update(csr_info[i:i+64])
self._atecc.sha_update(csr_info[i : i + 64])
else:
csr_info_sha_256 = self._atecc.sha_digest(csr_info[i:])

View file

@ -2,7 +2,8 @@
import os
import sys
sys.path.insert(0, os.path.abspath('..'))
sys.path.insert(0, os.path.abspath(".."))
# -- General configuration ------------------------------------------------
@ -10,10 +11,10 @@ sys.path.insert(0, os.path.abspath('..'))
# extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
# ones.
extensions = [
'sphinx.ext.autodoc',
'sphinx.ext.intersphinx',
'sphinx.ext.napoleon',
'sphinx.ext.todo',
"sphinx.ext.autodoc",
"sphinx.ext.intersphinx",
"sphinx.ext.napoleon",
"sphinx.ext.todo",
]
# Uncomment the below if you use native CircuitPython modules such as
@ -21,29 +22,36 @@ extensions = [
# autodoc module docs will fail to generate with a warning.
autodoc_mock_imports = ["micropython", "adafruit-bus-device", "adafruit-binascii"]
intersphinx_mapping = {'python': ('https://docs.python.org/3.4', None),'BusDevice': ('https://circuitpython.readthedocs.io/projects/busdevice/en/latest/', None),'CircuitPython': ('https://circuitpython.readthedocs.io/en/latest/', None)}
intersphinx_mapping = {
"python": ("https://docs.python.org/3.4", None),
"BusDevice": (
"https://circuitpython.readthedocs.io/projects/busdevice/en/latest/",
None,
),
"CircuitPython": ("https://circuitpython.readthedocs.io/en/latest/", None),
}
# Add any paths that contain templates here, relative to this directory.
templates_path = ['_templates']
templates_path = ["_templates"]
source_suffix = '.rst'
source_suffix = ".rst"
# The master toctree document.
master_doc = 'index'
master_doc = "index"
# General information about the project.
project = u'Adafruit ATECC Library'
copyright = u'2019 Brent Rubell'
author = u'Brent Rubell'
project = u"Adafruit ATECC Library"
copyright = u"2019 Brent Rubell"
author = u"Brent Rubell"
# The version info for the project you're documenting, acts as replacement for
# |version| and |release|, also used in various other places throughout the
# built documents.
#
# The short X.Y version.
version = u'1.0'
version = u"1.0"
# The full version, including alpha/beta/rc tags.
release = u'1.0'
release = u"1.0"
# The language for content autogenerated by Sphinx. Refer to documentation
# for a list of supported languages.
@ -55,7 +63,7 @@ language = None
# List of patterns, relative to source directory, that match files and
# directories to ignore when looking for source files.
# This patterns also effect to html_static_path and html_extra_path
exclude_patterns = ['_build', 'Thumbs.db', '.DS_Store', '.env', 'CODE_OF_CONDUCT.md']
exclude_patterns = ["_build", "Thumbs.db", ".DS_Store", ".env", "CODE_OF_CONDUCT.md"]
# The reST default role (used for this markup: `text`) to use for all
# documents.
@ -67,7 +75,7 @@ default_role = "any"
add_function_parentheses = True
# The name of the Pygments (syntax highlighting) style to use.
pygments_style = 'sphinx'
pygments_style = "sphinx"
# If true, `todo` and `todoList` produce output, else they produce nothing.
todo_include_todos = False
@ -82,59 +90,62 @@ napoleon_numpy_docstring = False
# The theme to use for HTML and HTML Help pages. See the documentation for
# a list of builtin themes.
#
on_rtd = os.environ.get('READTHEDOCS', None) == 'True'
on_rtd = os.environ.get("READTHEDOCS", None) == "True"
if not on_rtd: # only import and set the theme if we're building docs locally
try:
import sphinx_rtd_theme
html_theme = 'sphinx_rtd_theme'
html_theme_path = [sphinx_rtd_theme.get_html_theme_path(), '.']
html_theme = "sphinx_rtd_theme"
html_theme_path = [sphinx_rtd_theme.get_html_theme_path(), "."]
except:
html_theme = 'default'
html_theme_path = ['.']
html_theme = "default"
html_theme_path = ["."]
else:
html_theme_path = ['.']
html_theme_path = ["."]
# Add any paths that contain custom static files (such as style sheets) here,
# relative to this directory. They are copied after the builtin static files,
# so a file named "default.css" will overwrite the builtin "default.css".
html_static_path = ['_static']
html_static_path = ["_static"]
# The name of an image file (relative to this directory) to use as a favicon of
# the docs. This file should be a Windows icon file (.ico) being 16x16 or 32x32
# pixels large.
#
html_favicon = '_static/favicon.ico'
html_favicon = "_static/favicon.ico"
# Output file base name for HTML help builder.
htmlhelp_basename = 'AdafruitAteccLibrarydoc'
htmlhelp_basename = "AdafruitAteccLibrarydoc"
# -- Options for LaTeX output ---------------------------------------------
latex_elements = {
# The paper size ('letterpaper' or 'a4paper').
#
# 'papersize': 'letterpaper',
# The font size ('10pt', '11pt' or '12pt').
#
# 'pointsize': '10pt',
# Additional stuff for the LaTeX preamble.
#
# 'preamble': '',
# Latex figure (float) alignment
#
# 'figure_align': 'htbp',
# The paper size ('letterpaper' or 'a4paper').
#
# 'papersize': 'letterpaper',
# The font size ('10pt', '11pt' or '12pt').
#
# 'pointsize': '10pt',
# Additional stuff for the LaTeX preamble.
#
# 'preamble': '',
# Latex figure (float) alignment
#
# 'figure_align': 'htbp',
}
# Grouping the document tree into LaTeX files. List of tuples
# (source start file, target name, title,
# author, documentclass [howto, manual, or own class]).
latex_documents = [
(master_doc, 'AdafruitATECCLibrary.tex', u'AdafruitATECC Library Documentation',
author, 'manual'),
(
master_doc,
"AdafruitATECCLibrary.tex",
u"AdafruitATECC Library Documentation",
author,
"manual",
),
]
# -- Options for manual page output ---------------------------------------
@ -142,8 +153,13 @@ latex_documents = [
# One entry per manual page. List of tuples
# (source start file, name, description, authors, manual section).
man_pages = [
(master_doc, 'AdafruitATECClibrary', u'Adafruit ATECC Library Documentation',
[author], 1)
(
master_doc,
"AdafruitATECClibrary",
u"Adafruit ATECC Library Documentation",
[author],
1,
)
]
# -- Options for Texinfo output -------------------------------------------
@ -152,7 +168,13 @@ man_pages = [
# (source start file, target name, title, author,
# dir menu entry, description, category)
texinfo_documents = [
(master_doc, 'AdafruitATECCLibrary', u'Adafruit ATECC Library Documentation',
author, 'AdafruitATECCLibrary', 'One line description of project.',
'Miscellaneous'),
(
master_doc,
"AdafruitATECCLibrary",
u"Adafruit ATECC Library Documentation",
author,
"AdafruitATECCLibrary",
"One line description of project.",
"Miscellaneous",
),
]

View file

@ -26,8 +26,7 @@ GENERATE_PRIVATE_KEY = True
# -- END Configuration, code below -- #
# Initialize the i2c bus
i2c = busio.I2C(board.SCL, board.SDA,
frequency=_WAKE_CLK_FREQ)
i2c = busio.I2C(board.SCL, board.SDA, frequency=_WAKE_CLK_FREQ)
# Initialize a new atecc object
atecc = ATECC(i2c)
@ -36,7 +35,9 @@ 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.")
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...")
@ -46,10 +47,18 @@ if not 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, MY_SECTION)
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")
print(my_csr.decode('utf-8'))
print(my_csr.decode("utf-8"))
print("-----END CERTIFICATE REQUEST-----")

View file

@ -3,8 +3,7 @@ import busio
from adafruit_atecc.adafruit_atecc import ATECC, _WAKE_CLK_FREQ
# Initialize the i2c bus
i2c = busio.I2C(board.SCL, board.SDA,
frequency=_WAKE_CLK_FREQ)
i2c = busio.I2C(board.SCL, board.SDA, frequency=_WAKE_CLK_FREQ)
# Initialize a new atecc object
atecc = ATECC(i2c)

View file

@ -6,6 +6,7 @@ https://github.com/pypa/sampleproject
"""
from setuptools import setup, find_packages
# To use a consistent encoding
from codecs import open
from os import path
@ -13,54 +14,45 @@ from os import path
here = path.abspath(path.dirname(__file__))
# Get the long description from the README file
with open(path.join(here, 'README.rst'), encoding='utf-8') as f:
with open(path.join(here, "README.rst"), encoding="utf-8") as f:
long_description = f.read()
setup(
name='adafruit-circuitpython-atecc',
name="adafruit-circuitpython-atecc",
use_scm_version=True,
setup_requires=['setuptools_scm'],
description='Driver for Microchip\'s ATECCx08 cryptographic co-processors with secure hardware-based key storage',
setup_requires=["setuptools_scm"],
description="Driver for Microchip's ATECCx08 cryptographic co-processors with secure hardware-based key storage",
long_description=long_description,
long_description_content_type='text/x-rst',
long_description_content_type="text/x-rst",
# The project's main homepage.
url='https://github.com/adafruit/Adafruit_CircuitPython_ATECC',
url="https://github.com/adafruit/Adafruit_CircuitPython_ATECC",
# Author details
author='Adafruit Industries',
author_email='circuitpython@adafruit.com',
author="Adafruit Industries",
author_email="circuitpython@adafruit.com",
install_requires=[
'Adafruit-Blinka',
'adafruit-circuitpython-busdevice',
'adafruit-circuitpython-binascii',
"Adafruit-Blinka",
"adafruit-circuitpython-busdevice",
"adafruit-circuitpython-binascii",
],
# Choose your license
license='MIT',
license="MIT",
# See https://pypi.python.org/pypi?%3Aaction=list_classifiers
classifiers=[
'Development Status :: 3 - Alpha',
'Intended Audience :: Developers',
'Topic :: Software Development :: Libraries',
'Topic :: System :: Hardware',
'License :: OSI Approved :: MIT License',
'Programming Language :: Python :: 3',
'Programming Language :: Python :: 3.4',
'Programming Language :: Python :: 3.5',
"Development Status :: 3 - Alpha",
"Intended Audience :: Developers",
"Topic :: Software Development :: Libraries",
"Topic :: System :: Hardware",
"License :: OSI Approved :: MIT License",
"Programming Language :: Python :: 3",
"Programming Language :: Python :: 3.4",
"Programming Language :: Python :: 3.5",
],
# What does your project relate to?
keywords='adafruit blinka circuitpython micropython atecc atecc, microchip, secure, '
'element, key, co-processor',
keywords="adafruit blinka circuitpython micropython atecc atecc, microchip, secure, "
"element, key, co-processor",
# You can just specify the packages manually here if your project is
# simple. Or you can use find_packages().
# TODO: IF LIBRARY FILES ARE A PACKAGE FOLDER,
# CHANGE `py_modules=['...']` TO `packages=['...']`
packages=['adafruit_atecc'],
packages=["adafruit_atecc"],
)