Enables an application to store authentication data for a particular user's logon name within the authentication repository.
coupon
The connection coupon obtain from the Connect method.
logonName
A user's logon name.
dataFormat
An application-defined string that is used when an application needs to maintain multiple forms of authentication data for a user (e.g., password, thumbprint image, etc.). If only one form of authentication data is needed, this string can be empty.
userData
Application-specific data used to authenticate the user.
appSignature
The application's digital signature.
Concatenating the string representations of the following inputs in the order listed shall form the data from which a message digest is computed by the application:
An application shall compute its digital signature by encrypting the message digest with its private key.