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Winlogon and GINA - Win32 apps | Microsoft Learn
Graphical identification and authentication - Wikipedia
GINA - Win32 apps | Microsoft Learn
Responsibilities of the GINA - Win32 apps | Microsoft Learn
Custom Windows GINA authentication - Stack Overflow
Winlogon - Wikipedia
c# - A GINA replacement in a .NET language? - Stack Overflow
GINA and Windows Vista
GINA-Graphical Identification and Authentication - aldeid
pGina - Open source Windows authentication