OCSPChecker

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Overview

OCSPChecker is a python package based on Alban Diquet's nassl wrapper and the Python Cryptographic Authority's cryptography package. Relying on a web browser to check the revocation status of a x509 digital certificate has been broken from the beginning, and validating certificates outside of the web browser is a manual process. OCSP-Checker aims to solve this by providing an automated means to check the OCSP revocation status for a x509 digital certificate.

Pre-requisites

Python - Python 3.10 (64-bit) and above.

Installation

It is strongly recommended to run ocsp-checker in a virtual environment.

python -m venv ocsp-checker
cd ocsp-checker && source bin/activate
pip install ocsp-checker

Usage

>>> from ocspchecker import ocspchecker
>>> ocsp_request = ocspchecker.get_ocsp_status("github.com")

Sample Output

Sample output below, let me know if you want to add more fields/information to the output.

['Host: github.com:443', 'OCSP URL: http://ocsp.digicert.com', 'OCSP Status: GOOD']

PLEASE NOTE: If you run this on a network with a MITM SSL proxy, you may receive unintended results (see below):

["Error: Certificate Authority Information Access (AIA) Extension Missing. Possible MITM Proxy."]

Command Line Usage

OCSPChecker can now be used at the command line. The format is:

usage: ocspchecker [-h] --target target [--port port]

Check the OCSP revocation status for a x509 digital certificate.

optional arguments:
  -h, --help            show this help message and exit
  --target target, -t target
                        The target to test
  --port port, -p port  The port to test (default is 443)

For example:

ocspchecker -t github.com

Project links

Data verified by PyPI on Jul 21, 2026
Data provided by the project maintainers, verified at the time the release was uploaded to PyPI.

Key dates

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  • Released:
Latest release

1 maintainer

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Avatar for joegatt from gravatar.com joegatt

Credits

Author: Joe Gatt

GitHub Statistics

Data verified by PyPI on Jul 21, 2026
The GitHub source repository was provided by the project maintainers and verified by PyPI at the time of upload. Stars, forks, and open issues/PRs are derived from that repository and have not been independently verified.

License expression

Apache-2.0
View SPDX License List

Requires

Python >=3.10

Tags

ssl tls ocsp python security

Classifiers

Report project as malware

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ocsp_checker-2.0.4.tar.gz (17.7 kB view details)

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  • Download URL: ocsp_checker-2.0.4.tar.gz
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SHA256 9440f1af682fbeb0c860b693df75520f60731e691e5d344f1c69a84570c69546
MD5 0419b5ceabfbd90cbf3b6be4f8362437
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Publisher: main.yml on gattjoe/OCSPChecker

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  • Uploaded via: twine/6.1.0 CPython/3.13.14

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SHA256 133087d803d3109aa2f0bf769c4417e236f350f26ba5292212eeda93a6499624
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The following attestation bundles were made for ocsp_checker-2.0.4-py3-none-any.whl:

Publisher: main.yml on gattjoe/OCSPChecker

Attestations: Values shown here reflect the state when the release was signed and may no longer be current.

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