Computer security startup protection method on basis of UEFI (Unified Extensible Firmware Interface)
A computer security and computer technology, applied in computer security devices, internal/peripheral computer component protection, computing, etc., can solve the problem of no OSLoader file security protection, achieve security protection, enhance security, and prevent illegal extraction and tampering effects
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[0040] In order to better understand the present invention, the following drawings further illustrate the content of the present invention, but the content of the present invention is not limited to the following embodiments.
[0041] The UEFI-based computer security startup protection method of the present invention is to perform the following steps before the computer enters the operating system:
[0042] S101: Make UEFI load the USBKey driver in the DXE stage;
[0043]S102: Determine whether the USBKey driver is loaded successfully, if yes, enter step S103, otherwise, enter step S111;
[0044] S103: In the BDS stage, the boot manager identifies the USBKey hardware and starts the USBKey device;
[0045] S104: After the USBKey is started, identify the serial number of the USBKey;
[0046] S105: In the TSL stage, realize the first identity authentication by judging whether the serial number of the USBKey is legal, if yes, go to step S106, otherwise, go to step S113;
[0047...
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