Python library for signing x509 using keys in an pkcs11 device such as a HSM.
Project description
python_x509_pkcs11
Seamless signing x509 using PKCS11 device for key storage
Currently supports
- Creating a root CA and generating its RSA key in the PKCS11 device
- Using the key in the PKCS11 device to sign certificates (or Intermediate CAs)
- Creating CRLs with the PKCS11 device key
- Store multiple keys in the PKCS11 device enabling a full PKI infrastructure
- 'Advanced' handling of fragile persistent PKCS11 sessions, including recreating the session if PKCS11 operation timeout
This package is pretty much a wrapper around python-pkcs11 and asn1crypto
Setup
# Install libs and add your user to the softhsm group
if awk -F= '/^NAME/{print $2}' /etc/os-release | grep -i "debian\|ubuntu"
then
# Ubuntu / Debian
sudo apt-get install python3-dev python3-pip softhsm2
sudo usermod -a -G softhsm $USER
else
# Redhat / Centos / Fedora
sudo dnf install python3-devel python3-pip softhsm gcc
sudo usermod -a -G ods $USER
fi
# Or reboot, just make sure your shell now has the new group
echo "logout and login again now"
# Install this package
pip3 install python_x509_pkcs11
# export env values the code will use
if awk -F= '/^NAME/{print $2}' /etc/os-release | grep -i "debian\|ubuntu"
then
export PKCS11_MODULE="/usr/lib/softhsm/libsofthsm2.so"
else
export PKCS11_MODULE="/usr/lib64/softhsm/libsofthsm.so"
fi
export PKCS11_PIN="1234"
export PKCS11_TOKEN="my_test_token_1"
# Initialize the token
softhsm2-util --init-token --slot 0 --label $PKCS11_TOKEN --pin $PKCS11_PIN --so-pin $PKCS11_PIN
Usage
Look at the documentation for quick examples to begin.
The tests are also a good starting point
Here is the basic, create a root CA and then use its key in the PKCS11 device to sign a csr:
# export env values the code will use
if awk -F= '/^NAME/{print $2}' /etc/os-release | grep -i "debian\|ubuntu"
then
export PKCS11_MODULE="/usr/lib/softhsm/libsofthsm2.so"
else
export PKCS11_MODULE="/usr/lib64/softhsm/libsofthsm.so"
fi
export PKCS11_PIN="1234"
export PKCS11_TOKEN="my_test_token_1"
# Delete the previous token if exists
softhsm2-util --delete-token --token $PKCS11_TOKEN
# Initialize a new fresh PKCS11 token
softhsm2-util --init-token --slot 0 --label $PKCS11_TOKEN --pin $PKCS11_PIN --so-pin $PKCS11_PIN
from python_x509_pkcs11.root_ca import create
root_ca_name_dict = {"country_name": "SE",
"state_or_province_name": "Stockholm",
"locality_name": "Stockholm",
"organization_name": "SUNET",
"organizational_unit_name": "SUNET Infrastructure",
"common_name": "ca-test.sunet.se",
"email_address": "soc@sunet.se"}
csr_pem, root_cert_pem = create("my_rsa_key", root_ca_name_dict)
print("CSR which was selfsigned into root CA")
print(csr_pem)
print("root CA")
print(root_cert_pem)
Contributing / Tests
# install
if awk -F= '/^NAME/{print $2}' /etc/os-release | grep -i "debian\|ubuntu"
then
# Ubuntu / Debian
sudo apt-get install flit python3-mypy black
else
# Redhat / Centos / Fedora
sudo dnf install python3-flit python3-mypy python3-black
fi
# Make your code changes
# Then in the root folder, where this README is
bash dev-run.sh
# Build the package with flit
flit build
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