import ssl, socket
hostname = ' '
ctx = ssl.create_default_context()
with ctx.wrap_socket(socket.socket(), server_hostname=hostname) as s:
s.connect((hostname, 443))
cert = s.getpeercert()
subject = dict(x[0] for x in cert['subject'])
issued_to = subject['commonName']
issuer = dict(x[0] for x in cert['issuer'])
issued_by = issuer['commonName']
serialNumber = dict(x[0] for x in cert['serialNumber'])
print(cert)
print(issued_to)
print(issued_by)
s153152@MB20OXDHQ60774 檔案% python3 test3.py {'subject': ((('countryName', 'US'),), (('stateOrProvinceName', 'California'),), (('localityName', 'Eureka' ),), (('organizationName', 'departmentName'),), (('organizationalUnitName', 'hostname1'),), (('commonName', 'hostname.ca.gov'),)), 'issuer ': ((('domainComponent', 'gov'),), (('domainComponent', 'ca'),), (('domainComponent', 'dot'),), (('domainComponent', 'ct '),), (('commonName', '-CA'),)), 'version': 3, 'serialNumber': '646ss8AA2A000100000F0C', 'notBefore': 'Apr 9 21:26:20 2020 GMT', 'notAfter'：'2021 年 12 月 28 日 19:45:58'，'subjectAltName'：(('DNS', 'hostname.ca.gov'), ('DNS', ''), ('DNS', 'hostname'), ('DNS', 'hostname.ca.gov'), (' DNS', 'hostname.ca.gov')), 'caIssuers': ('ldap:///CN=-CA,CN=AIA,CN=Public Key Services,CN=Services,CN=Configuration,DC =ca,DC=gov?cACertificate?base?objectClass=certificationAuthority',), 'crlDistributionPoints': ('ldap:///CN=-CA(1),CN=,CN=CDP,CN=Public Key% 20Services,CN=Services,CN=Configuration,DC=ca,DC=gov?certificateRevocationList?base?objectClass=cRLDistributionPoint',)}.ca.gov output1 s153152@MB20OXDHQ60774 檔案 %('ldap:///CN=-CA,CN=AIA,CN=Public Key Services,CN=Services,CN=Configuration,DC=ca,DC=gov?cACertificate?base?objectClass=certificationAuthority',) , 'crlDistributionPoints': ('ldap:///CN=-CA(1),CN=,CN=CDP,CN=Public Key Services,CN=Services,CN=Configuration,DC=ca,DC=gov ?certificateRevocationList?base?objectClass=cRLDistributionPoint',)}.ca.gov output1 s153152@MB20OXDHQ60774 檔案 %('ldap:///CN=-CA,CN=AIA,CN=Public Key Services,CN=Services,CN=Configuration,DC=ca,DC=gov?cACertificate?base?objectClass=certificationAuthority',) , 'crlDistributionPoints': ('ldap:///CN=-CA(1),CN=,CN=CDP,CN=Public Key Services,CN=Services,CN=Configuration,DC=ca,DC=gov ?certificateRevocationList?base?objectClass=cRLDistributionPoint',)}.ca.gov output1 s153152@MB20OXDHQ60774 檔案 %
想要這個輸出'serialNumber'：'6468AA2A000100000F0C'
uj5u.com熱心網友回復：
serialNumber = dict(x[0] for x in cert['serialNumber'])
序列號是單個值，而不是字典。所以
serialNumber = cert['serialNumber']
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