OID value: 1.3.6.1.4.1.311.2.1.21
OID description:
the OID given above is straight from the Microsoft docs (http://msdn.microsoft.com/library/en-us/security/Security/icenroll_createfilepkcs10.asp)
- it refers to the usage of the cert and appears to work as is.
1.3.6.1.4.1.311 -- this is the OID for Microsoft (for details, see http://www.alvestrand.no/objectid/1.3.6.1.4.1.311.html)
the meaning of the ".2.1.21" at the end of the OID is unknown to us.
URL for further info: http://msdn.microsoft.com/library/en-us/security/Security/icenroll_createfilepkcs10.asp
See also the OID Repository website reference for 1.3.6.1.4.1.311.2.1.21