Short for 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. [Source:
MSDN Library]
CodeGuru - Adding Your Logo to Winlogon's Dialog The DLL must implement and export a set of functions that Winlogon will call to identify and authenticate the user. The following topics show examples of how to implement some of these functions. For a complete list of the functions that the GINA must implement and export, see the Winlogon and GINA references.
SDK: Authentication - Winlogon and GINA Winlogon, the GINA, and network providers are the components of the interactive logon model. The interactive logon procedure is normally controlled by Winlogon, MSGina.dll, and network providers. To change the interactive logon procedure, MSGina.dll can be replaced with a customized GINA DLL.
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