Certum Time-Stamping Authority accepts SHA1 digest, Microsoft
Authenticode® or TSQ requests compatible with IETF RFC 3161.
sha1="Hex encoded hash" with POST/GET method
Plain RFC 3161 TSQ request as:
Content-Type: application/timestamp-query
Microsoft Authenticode® requests:
Content-Type: application/octet-stream
(using Microsoft inetSDK application)