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  3. Time-Stamping Service
  4. Technical specifications

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Technical specifications

Time-stamping service is an HTTP service and time stamp requests are submitted as HTTP POST requests.

 
Address of service http://tsa.sk.ee
Service certificate SK TIMESTAMPING AUTHORITY 2023
Repository Principles for time-stamping service provider, terms and conditions and general terms of subscriber agreement
Time-stamping service policy OID 0.4.0.2023.1.1
Test service address http://tsa.demo.sk.ee/tsa/
https://tsa.demo.sk.ee/tsa/
Supported hash algorithms for time stamp request SHA256, SHA384, SHA512
Time stamp signing key parameter 2048bit RSA
Time stamp signing algorithm SHA512withRSA
Time-stamping service policies supported in the request 0.4.0.2023.1.1
Time-stamping service extensions supported in the request Not specified
Responses to correct requests include the following
  • status info – Operation Okay,
  • signing hash algorithm,
  • time stamp policy OID,
  • time-stamping time,
  • time-stamping service certificate (without a full certificate chain),
  • extensions used,
  • nonce value,
  • accuracy (0x01 seconds),
  • tsa (general name of the Time Stamp Authority - subject DN of the signing certificate)
Responses to incorrect time stamp requests include the following
  • status info – Rejected,
  • cause of error
Response, if the service has not granted access to time-stamping service HTTP status code: 403 – Forbidden
Response, if not a time stamp request HTTP status code: 400 – Bad Request