Trust Directory
Independent public mirror of national PKI trust anchors, not an authority. Certificates are published by each national PKI (e.g., BCCR for Costa Rica); this site mirrors and structures them.
Root CAValid (3604 days left)

CRYPTAS-PrimeSign Qualified Root CA

Austria · Published by Rundfunk und Telekom Regulierungs-GmbH (RTR) — supervisory authority for the Telekom-Control-Kommission (TKK), Austrian eIDAS supervisory body and national Trusted List operator

Download .pemBack to Austria

Certificate chain

Trust path from the root down to this certificate.

  1. CRYPTAS-PrimeSign Qualified Root CARoot CA

Certificate fields

Subject (CN)
CRYPTAS-PrimeSign Qualified Root CA
Issuer (CN)
CRYPTAS-PrimeSign Qualified Root CA (self-signed root)
Role
Root CA
Key algorithm
RSA-4096
Validity
Valid (3604 days left)
Valid from
Valid to
Serial number
5e8457bead2d61d0437f6c3bd0f08a2f90671d2c
SHA-256
185365a1b39db2c5a0a824811db7e20690e34f4a7223b197b9a5550c47674752
Decentralized ID (did:pki)
did:pki:at:primesign:cryptas-qualified-root-caResolve →

This CA is addressable as a did:pki decentralized identifier, derived from its subject and resolvable to a W3C DID Document.

File
cryptas-primesign-qualified-root-ca.pem

Provenance

This certificate is public data published by Rundfunk und Telekom Regulierungs-GmbH (RTR) — supervisory authority for the Telekom-Control-Kommission (TKK), Austrian eIDAS supervisory body and national Trusted List operator. This site mirrors and structures it; it is not the issuing authority. The SHA-256 fingerprint above is provided as tamper evidence: recompute it against the downloaded .pem to confirm integrity.

Mirror snapshot generated Jul 23, 2026, 04:08 p.m. UTC.