HID APPROVE SDK  4.8
HID Approve SDK for Windows .NET
Namespace List
Here is a list of all documented namespaces with brief descriptions:
[detail level 123]
 NHIDIA
 NTransactionThe HIDIA.Transaction namespace provides transaction signing related features
 NOTPThe HIDIA.Transaction.OTP namespace provides the OTP generation features
 NProtectionPolicyThe HIDIA.Transaction.ProtectionPolicy namespace provides classes to discover the policies protecting the cryptographic keys