Terminology
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GINA *
A Graphical Identification and Authentication dynamic-link library (DLL). The GINA is a replaceable DLL component that is loaded by the Winlogon executable. The GINA implements the authentication policy of the interactive logon model and is expected to perform all identification and authentication user interactions.
*http://msdn.microsoft.com/library/default.asp?url=/library/en-us/secgloss/security/security_glossary.asp -
Graphics Device Interface
The executable program that processes graphical function calls from a Windows-based application and passes those calls to the appropriate device driver, which performs the hardware-specific functions that generate output.
