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توضیحات

Tool for Signing and Verifying Signatures of CloudFormation Templates

ویژگی	مقدار
سیستم عامل	-
نام فایل	cf-signer-0.0.3
نام	cf-signer
نسخه کتابخانه	0.0.3
نگهدارنده	[]
ایمیل نگهدارنده	[]
نویسنده	Avishay Bar
ایمیل نویسنده	avishay.il@gmail.com
آدرس صفحه اصلی	https://github.com/avishayil/cf-signer
آدرس اینترنتی	https://pypi.org/project/cf-signer/
مجوز	MIT license

========================================== CF-Signer - CloudFormation Signing Utility ========================================== .. image:: https://img.shields.io/pypi/v/cf-signer.svg :target: https://pypi.python.org/pypi/cf-signer .. image:: https://img.shields.io/travis/avishayil/cf-signer.svg :target: https://travis-ci.com/avishayil/cf-signer .. image:: https://readthedocs.org/projects/cf-signer/badge/?version=latest :target: https://cf-signer.readthedocs.io/en/latest/?version=latest :alt: Documentation Status Tool for signing and verifying the integrity of CloudFormation templates * Free software: MIT license * Documentation: https://cf-signer.readthedocs.io. Features -------- * Signing CloudFormation templates by creating a sha256 hash of the file, encrypted with the user's private key and store base64 form of the signature in the CloudFormation template ``Metadata`` section. * Verifying the integrity of CloudFormation templates by looking for the signature in the ``Metadata``, extracting it and verifying. * Currently support ``JSON`` templates only. If you need to convert your template from ``YAML`` format, take a look on the CloudFormation Designer conversion or use a 3rd party utility. Usage ----- Installation ============ To install ``cf-signer``, run this command in your terminal:: pip install cf-signer Preparation =========== First, the utility provides the ``prepare`` functionality that does the following: * Reading your template ``JSON`` file * Converting the template to Python dictionary object. * Converting the Python dictionary object back to a ``JSON`` file. This is done to ensure that the tool will not tamper the template contents during the signing process. To prepare a CloudFormation template to the signing process:: cf_signer --prepare --template cf.template This will create a ``cf-prepared.template`` file you can sign using the ``cf-signer`` tool. Getting Started =============== To sign a CloudFormation template using the ``cf-signer`` tool:: cf_signer --sign --template cf.template --key key.pem To verify a signature of a CloudFormation template using the ``cf-signer`` tool:: cf_signer --verify --template cf-signed.template --key pubkey.pem You can also use cf_signer in your ``Python`` code to sign templates on your scripts: .. code-block:: python import cf_signer def main(): sign_result = create_signature(target_file_path='tests/cf.template', key_file_path='tests/key.pem') # Returns True Signing Flow ~~~~~~~~~~~~ The process of signing is based on the following flow: * Generate RSA private key:: openssl genrsa -out key.pem 2048 * Get public key from the RSA generated private key:: openssl rsa -in key.pem -outform PEM -pubout -out pubkey.pem * Create a sha256 hash signature, encrypted with the private key:: openssl dgst -sha256 -sign key.pem -out sign.sha256 cf.template * Convert the signature to base64 string:: base64 -i sign.sha256 -o sign.b64 * Attach the base64 signature to the CloudFormation template, under the ``Metadata`` block (creating one if it doesn't exist). Verification Flow ~~~~~~~~~~~~~~~~~ The process of signature verification is based on the following flow: * Detach the signature from the CloudFormation template * Convert the base64 detached signature string to binary format:: base64 -d sign.b64 > sign.sha256 * Validate the signature using the public key:: openssl dgst -sha256 -verify pubkey.pem -signature sign.sha256 cf.template Credits ------- * The signing and verification process was inspired by `sgershtein/SignedJSON`_. * This package was created with Cookiecutter_ and the `audreyr/cookiecutter-pypackage`_ project template. .. _`sgershtein/SignedJSON`: https://github.com/sgershtein/SignedJSON .. _Cookiecutter: https://github.com/audreyr/cookiecutter .. _`audreyr/cookiecutter-pypackage`: https://github.com/audreyr/cookiecutter-pypackage ======= History ======= 0.0.1 (2021-06-22) ------------------ * First release on PyPI. 0.0.2 (2021-06-22) ------------------ * feat: prepare template before signing * feat: clear linter errors * chore: version bump and documentation updates regarding installation 0.0.3 (2021-06-23) ------------------ * feat: added the usecase of using the library in python code, added pylint

نیازمندی

مقدار	نام
>=7.0	Click
>=20.0.1	PyOpenSSL
>=3	pytest
>=3.7.8	flake8
>=2.8.3	pylint

زبان مورد نیاز

مقدار	نام
>=3.6	Python

نحوه نصب

نصب پکیج whl cf-signer-0.0.3:

pip install cf-signer-0.0.3.whl

نصب پکیج tar.gz cf-signer-0.0.3:

pip install cf-signer-0.0.3.tar.gz