Description:
danediscovery 0.22
A library for using
DANE TLSA records for
certificate discovery.
Quick Start
Installation
pip install dane-discovery
Load a certificate from DNS and print the PEM representation
from dane_discovery.dane import DANE
from dane_discovery.pki import PKI
dns_name = "dns.name.having.a.tlsa.record"
tlsa_record = DANE.get_first_leaf_certificate(dns_name)
if not tlsa_record:
raise ValueError("No leaf certificate found for {}.".format(dns_name))
der_cert = PKI.certificate_association_to_der(tlsa_record["certificate_association"])
print(PKI.der_to_pem(der_cert))
Load a DANE identity from DNS and print the request context
from dane_discovery.identity import Identity
dns_name = "dns.name.having.a.tlsa.record"
dane_identity = Identity(dns_name)
print(dane_identity.report())
Name: abc123.air-quality-sensor._device.example.net
Request context:
DNSSEC: False
TLS: False
TCP: True
Credential index: 0
certificate usage: DANE-EE
selector: Full certificate match
matching type: Exact match against certificate association
x509 attributes:
{'extensions': {'BasicConstrints': {'ca': False, 'path_length': None},
'KeyUsage': {'content_commitment': True,
'crl_sign': False,
'data_encipherment': False,
'digital_signature': True,
'key_agreement': False,
'key_cert_sign': False,
'key_encipherment': True}},
'subject': {'commonName': 'abc123.air-quality-sensor._device.example.net',
'countryName': 'US',
'organizationName': 'Example Networks',
'stateOrProvinceName': 'CA'}}
More examples
License
For personal and professional use. You cannot resell or redistribute these repositories in their original state.
Files:
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