About the certification authority

A3.CA issues electronic signatures and digital powers of attorney for A3 ecosystem services and publishes certificate statuses so they can be checked.

Certificate chain

Signature certificates are issued from the intermediate certificate of the authority. The root key is used only to issue the intermediate one.

  1. A3 Root CA

    Root certificate of the authority.

  2. A3 Issuing CA G1

    Issuing certificate: it signs user certificates and powers of attorney.

  3. A3 OCSP Responder

    Certificate of the service that answers certificate status requests.

Services of the authority

Service addresses are written into every certificate, so verification software finds them on its own.

OCSP
Certificate status in real time.https://caapi.a3.solutions/ocsp
CRL
List of revoked certificates.https://caapi.a3.solutions/crl
TSP
RFC 3161 timestamps for signed documents.https://caapi.a3.solutions/TSP

Operator

Alfatim IT LLP

BIN 220640023065

Legal address: 10 Alexander Zataevich St., apt. 24, Astana, Republic of Kazakhstan

Postal address: 7 Akmeshit St., apt. 43, Astana, Republic of Kazakhstan

The company was founded in 2022 and develops the services of the A3 ecosystem, including the certification authority.

Works together with