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In computing, the Windows Driver Model (WDM) – also known at one point as the Win32 Driver Model – is a framework for device drivers that was introduced with Windows 98 and Windows 2000 to replace VxD, which was used on older versions of Windows such as Windows 95 and Windows 3.1, as well as the Windows NT Driver Model.
Windows Driver Frameworks (WDF, formerly Windows Driver Foundation), is a set of Microsoft tools and libraries that aid in the creation of device drivers for Windows 2000 and later versions of Windows. It complements Windows Driver Model, abstracting away much of the boilerplate complexity in writing Windows drivers.
This is particularly useful for devices that are intermittently connected to the system or support hot swapping via a bus technology such as USB or FireWire. According to Microsoft, UMDF drivers are simpler to write and debug than kernel-mode drivers. [2] However, UMDF would not be used for performance-intensive or highly stateful devices.
WinUSB is a generic USB driver provided by Microsoft, for their operating systems starting with Windows Vista but which is also available for Windows XP. It is aimed at simple devices that are accessed by only one application at a time (for example instruments like weather stations, devices that only need a diagnostic connection or for firmware upgrades).
Encrypting File System: File system driver that provides file system-level encryption Windows 2000: Security Account Manager: Database stored as a registry file Windows NT 3.1: SYSKEY: Utility that encrypts the hashed password information in a SAM database using a 128-bit encryption key Windows NT 4.0 Service Pack 3 User Account Control
However, IRPs are sometimes created by the plug-and-play manager, power manager, and other system components, and can also be created by drivers and then passed to other drivers. The I/O request packet mechanism is also used by Digital Equipment Corporation 's VMS operating system, and was used by Digital's RSX-11 family of operating systems ...
The Universal Host Controller Interface (UHCI) refers to a specification that Intel originally defined as a proprietary interface to support USB 1.0 devices. The UHCI specification was eventually made public, but only after the rest of industry had adopted the OHCI specification. The EHCI specification was defined by Intel to support USB 2.0 ...
The Native API is the interface used by user-mode components of the operating system that must run without support from Win32 or other API subsystems. Most of this API is implemented in NTDLL.DLL and at the upper edge of ntoskrnl.exe (and its variants), and the majority of exported symbols within these libraries are prefixed Nt , for example ...