Enables an application to delete some or all of the authentication data previously stored for a particular logon name from 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.
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.