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Certificate Transparency search

Project description

Certificate Search

Build Status

An unofficial wrapper to query


The package can be installed from PyPI

pip install certificate-search


import json

from cryptography.x509.oid import NameOID, ExtensionOID
from cryptography.x509.general_name import DNSName

from import CertificateSearch, SUPPORTED_SITES

# Print the list of all supported sites

engines = CertificateSearch()

domains = [

for domain in domains:
    for cert in
        not_before = cert.not_before
        not_after = cert.not_after

        pem = cert.pem
        # An x509 certificate
        common_name = pem.subject.get_attributes_for_oid(NameOID.COMMON_NAME)[0].value
        country_name = pem.subject.get_attributes_for_oid(NameOID.COUNTRY_NAME)[0].value
        organization_name = pem.subject.get_attributes_for_oid(NameOID.ORGANIZATION_NAME)[0].value

        # All SAN records
        san = pem.extensions.get_extension_for_oid(ExtensionOID.SUBJECT_ALTERNATIVE_NAME)
        san_names = san.value.get_values_for_type(DNSName)

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