EDK II UEFI Driver Writer's Guide
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EDK II UEFI Driver Writer's Guide
Introduction
Tables
Figures
Examples
Acknowledgements
1 Introduction
2 UEFI Driver Implementation Checklist
3 Foundation
4 General Driver Design Guidelines
5 UEFI Services
6 UEFI Driver Categories
7 Driver Entry Point
8 Private Context Data Structures
9 Driver Binding Protocol
10 UEFI Service Binding Protocol
11 UEFI Driver and Controller Names
12 UEFI Driver Configuration
13 UEFI Driver Diagnostics
14 Driver Health Protocol
15 Driver Family Override Protocol
16 Driver Supported EFI Version Protocol
17 Bus-Specific Driver Override Protocol
18 PCI Driver Design Guidelines
19 USB Driver Design Guidelines
20 SCSI Driver Design Guidelines
21 ATA Driver Design Guidelines
22 Text Console Driver Design Guidelines
23 Graphics Driver Design Guidelines
24 Mass Storage Driver Design Guidelines
25 Network Driver Design Guidelines
26 User Credential Driver Design Guidelines
26.1 Assumptions
26.2 User Credential Protocol Implementation
27 Load File Driver Design Guidelines
28 IPF Platform Porting Considerations
29 EFI Byte Code Porting Considerations
30 Building UEFI Drivers
31 Testing and Debugging UEFI Drivers
32 Distributing UEFI Drivers
Appendix A EDK II File Templates
Appendix B EDK II Sample Drivers
Appendix C Glossary
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26 User Credential Driver Design Guidelines
The User Credential Protocol provides a method to identify the user of a platform. If a device provides a method to identify the user of a platform such as entering a password, reading a fingerprint, or reading a smart token, then a UEFI Driver that produces the User Credential Protocol should be implemented.
The EDK II provides the following two implementations of the User Credential Protocol in the SecurityPkg. The fist one interacts with the user to retrieve a password entered through a keyboard. The second one uses a content stored on a USB Flash drive as a token.
    SecurityPkg\UserIdentification\PwdCredentialProviderDxe
    SecurityPkg\UserIdentification\UsbCredentialProviderDxe
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26.1 Assumptions
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