Issued by Aristotle University of Thessaloniki Central CA R4
About this certificate
This digital certificate with serial number 10:39:16:b3:f9:e9:63:a4 was issued on
by Hellenic Academic and Research Institutions Cert. Authority.
With 4 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate has already expired and will cause a warning or error message in the browser it's
still listed on this site to allow you to look back on previously issued certificates. If we have found any compliance issues with this certificate they will be shown below. I hope this certificate review is providing you the detailed information in a simple form you where looking for.
We have idenified some issues with this certificate:
Subscriber Certificate: commonName is deprecated.
Compliant certificates SHOULD NOT use the noticeRef option
(RFC 5280: 22.214.171.124)
Compliant certificates should use the utf8string encoding for explicitText
(RFC 6818: 3)
The keyUsage extension SHOULD be critical
(RFC 5280: 126.96.36.199)
Subscriber Certificate: extKeyUsage either the value id-kp-serverAuth or id-kp-clientAuth or both values MUST be present.
Aristotle University of Thessaloniki
Organization:Aristotle University of Thessaloniki Organization unit: IT Center
Hellenic Academic and Research Institutions Cert. Authority
Organization:Hellenic Academic and Research Institutions Cert. Authority
Time since certificate expired
This certificate has expire since
Serial Number (hex): 10:39:16:b3:f9:e9:63:a4
Serial Number (int): 1168990540527133604
Serial Number lenght: 61 bits, 8 octets