Skip to main content
This is a pre-production deployment of Warehouse. Changes made here affect the production instance of PyPI (
Help us improve Python packaging - Donate today!

Get all the information you need about your SSL certificates.

Project Description

certifier is an APACHE licensed Python library allowing you to get all the information you’ll ever want about your SSL certificates.


From source use

$ python install

or install from PyPi

$ pip install certifier


>>> from certifier import CertInfo
>>> cert = CertInfo()
>>>'', 443)
{'crlDistributionPoints': (u'', u''), 'subjectAltName': (('DNS', ''), ('DNS', ''), ('DNS', ''), ('DNS', ''), ('DNS', ''), ('DNS', ''), ('DNS', ''), ('DNS', '')), 'notBefore': u'Nov  6 00:00:00 2014 GMT', 'caIssuers': (u'',), 'OCSP': (u'',), 'serialNumber': u'0411DE8F53B462F6A5A861B712EC6B59', 'notAfter': 'Nov 13 12:00:00 2015 GMT', 'version': 3L, 'subject': ((('countryName', u'US'),), (('stateOrProvinceName', u'California'),), (('localityName', u'Los Angeles'),), (('organizationName', u'Internet Corporation for Assigned Names and Numbers'),), (('organizationalUnitName', u'Technology'),), (('commonName', u''),)), 'issuer': ((('countryName', u'US'),), (('organizationName', u'DigiCert Inc'),), (('organizationalUnitName', u''),), (('commonName', u'DigiCert SHA2 High Assurance Server CA'),))}
>>> cert.expire([ format ])
'Nov 13 12:00:00 2015 GMT'
>>> cert.protocol()
>>> cert.cipher()
('RC4-SHA', 'TLSv1/SSLv3', 128)
>>> cert.default_paths()
DefaultVerifyPaths(cafile='/usr/lib/ssl/cert.pem', capath='/usr/lib/ssl/certs', openssl_cafile_env='SSL_CERT_FILE', openssl_cafile='/usr/lib/ssl/cert.pem', openssl_capath_env='SSL_CERT_DIR', openssl_capath='/usr/lib/ssl/certs')
>>> cert.cert_stats()
{'x509': 155, 'x509_ca': 155, 'crl': 0}
>>> cert.ca_certs([ binary_form ])
[{'notBefore': u'Apr 16 07:09:14 2007 GMT', 'serialNumber': u'49330001', 'notAfter': 'Apr 16 07:09:14 2027 GMT', 'version': 3L, 'subject': ((('countryName', u'CN'),), (('organizationName', u'CNNIC'),), (('commonName', u'CNNIC ROOT'),)), 'issuer': ((('countryName', u'CN'),), (('organizationName', u'CNNIC'),), (('commonName', u'CNNIC ROOT'),))}, {[...]}]
>>> cert.openssl_version()
OpenSSL 0.9.8zg 14 July 2015
>>> cert.session_stats()
{'connect_renegotiate': 0L, 'hits': 0L, 'accept_good': 0L, 'cache_full': 0L, 'accept_renegotiate': 0L, 'timeouts': 0L, 'number': 0L, 'accept': 0L, 'connect_good': 2L, 'connect': 2L, 'misses': 0L}


Apache v2.0 License
Copyright 2014-2015 Martin Simon

 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at

 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 See the License for the specific language governing permissions and
 limitations under the License.
Release History

Release History

This version
History Node


History Node


Download Files

Download Files

Download the file for your platform. If you're not sure which to choose, learn more about installing packages.

File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
certifier-0.2.tar.gz (3.6 kB) Copy SHA256 Checksum SHA256 Source Feb 8, 2016

Supported By

WebFaction WebFaction Technical Writing Elastic Elastic Search Pingdom Pingdom Monitoring Dyn Dyn DNS Sentry Sentry Error Logging CloudAMQP CloudAMQP RabbitMQ Heroku Heroku PaaS Kabu Creative Kabu Creative UX & Design Fastly Fastly CDN DigiCert DigiCert EV Certificate Rackspace Rackspace Cloud Servers DreamHost DreamHost Log Hosting