The IX509AttributeOSVersion interface represents an attribute that contains version information about the client operating system on which the certificate request was generated. The information includes the major and minor versions, the build number, and the platform identifier.
The IX509AttributeOSVersion interface has these methods.
|IX509AttributeOSVersion::get_OSVersion||Retrieves the client operating system version information.|
|IX509AttributeOSVersion::InitializeDecode||Initializes the object from a Distinguished Encoding Rules (DER) encoded byte array that contains the operating system version information.|
|IX509AttributeOSVersion::InitializeEncode||Initializes the attribute from operating system version information.|
|Minimum supported client||Windows Vista [desktop apps only]|
|Minimum supported server||Windows Server 2008 [desktop apps only]|