PSC Public Key Infrastructure Certificate Authorities

Pittsburgh Supercomputing Center (PSC) operates the Certificate Authorities (CAs) listed below in support of PSC constituent systems, services, and relying parties.

Contact Information:

For Urgent Security Issues: For urgent security issues, contact PSC directly:

PSC Helpdesk Phone: +1 (412) 268-4960

PSC Security e-mail:

For general questions regarding PSC CA operations and certificates
Send e-mail to

For all other PSC inquiries
Send e-mail to

PSC MyProxy Certificate Authority

CA retirement notice: The PSC MyProxy CA will be retired from service on August 31, 2022. Certificate revocation lists (CRLs) will remain available until September 30, 2022.

PSC MyProxy CA certificate 4b2783ac.0
PSC MyProxy CA signing policy 4b2783ac.signing_policy
PSC MyProxy CA Certificate Revocation List (CRL) URL 4b2783ac.crl_url
PSC MyProxy CA CRL (DER) 4b2783ac.crl
PSC MyProxy CA CRL (PEM) 4b2783ac.r0
PSC MyProxy CA Certificate Policy / Certification Practice Statement (CP/CPS) 4b2783ac.cps.pdf
PSC MyProxy CA example user certificate 4b2783ac.example_cert.txt
PSC MyProxy CA example user certificate revocation 4b2783ac.example_cert_revocation.txt
PSC MyProxy CA gx-map CA description 4b2783ac.psc-myproxy.cadesc
PSC MyProxy CA IGTF Information
PSC MyProxy CA IGTF Namespaces 4b2783ac.namespaces

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