Search icon

Check the status of an e-signature with OCSP

The verification is carried out through an OCSP client program (OCSP Requestor) that connects to the B-trust OCSP server (OCSP Responder) at: http://ocsp.b-trust.org. An example of an OCSP client is the ocss command of the OpenSSL library.  

The OCSP client sends a request for verification of the signature status to the OCSP server and receives a response signed by the Validation Authority. The answer contains information about the status of the verified electronic signature certificate, the period of validity of the received response and serves as an evidence.

If you do not use an OCSP application, you can use a certificate revocation list (CRL). To determine the status of a signature, download the latest CRL list and upload it to your application. This type of verification of signature status is just as reliable, but takes more time.

More information about OCSP can be found at: www.ietf.org/rfc/rfc2560.txt

Check by serial number

Please enter a serial number:

Check by serial number

Please enter a serial number:

Check through a file upload

Upload a e-signature certificate exported in the ".cer" format to verify its validity:

Search the Public register Search the Public register Verify a digital certificate Verify a digital certificate Lists of hold and revoked digital certificates Lists of hold and revoked digital certificates Check the status of an e-signature with OCSP Check the status of an e-signature with OCSP Sign electronic documents with an e-signature Sign electronic documents with an e-signature
Validation of documents Validation of documents Time Stamp Time Stamp Installation of e-signatures Installation of e-signatures Certification chains Certification chains Change a B-Trust e-mail password Change a B-Trust e-mail password
Live chat iconLive chat