Aristotle University of Thessaloniki PKI

The Aristotle University of Thessaloniki PKI is a trusted third entity that certifies the identities of network users and servers affiliated with it. The first Aristotle University of Thessaloniki PKI began in 2001 from the Network Operations Center. After seven years of successful operation and having published more than 30.000 digital certificates, the Infrastructure was upgraded in order to support new features some of which are listed below:

  • Usage of special crypto-devices (eTokens) for the signing process of digital certificates including special parameters for secure logon of University Staff to computers that handle sensitive data (eg grades) but also for Faculty members that securely transmit exam grades to the School's or Faculty's registrar
  • Participation to the broader Hellenic Academic and Research Institutions Certification Authority - HARICA in order for the academic and research communities of Greece to fully utilize the numerous benefits of digital certificates which are the unobstructed secure e-mail exchange, the e-mail and document encryption of sensitive information etc
Policies and Procedures

The Aristotle University of Thessaloniki PKI issues certificates to entities according to certain procedures included in the "Certificate Practice Statement".

Certificates issued are qualified according to the Presidential Decree 150/2001, since the HARICA PKI is a CSP issuing qualified certificates according to the Hellenic Telecommunications and Post Commission Registry.

Independent audit report

The AUTH PKI has been audited by an independent auditor and was found to be fully compliant with the requirements of ETSI TS 101 456, ETSI TS 102 042 and CA/B forum Baseline Requirements.

Interested third-party members can read the recent (2016) audit report (also available from QMSCERT).


In order to use the Aristotle University of Thessaloniki PKI you must trust the Root Certification Authority that signed the AUTh Central Certification Authority.

Certificate Repository for the Aristotle University of Thessaloniki PKI

All the certificates of the Aristotle University of Thessaloniki PKI (Certification Authorities and end-users, servers certificates) can be obtained using the following link: Certificate Repository.