SYSTEM_SECUREBOOT_INFORMATION

The SYSTEM_SECUREBOOT_INFORMATION structure is what a successful call to ZwQuerySystemInformation or NtQuerySystemInformation produces in its output buffer when given the information class SystemSecureBootInformation (0x91).

Documentation Status

The SYSTEM_SECUREBOOT_INFORMATION structure is not documented.

Layout

The SYSTEM_SECUREBOOT_INFORMATION is 0x02 bytes in both 32-bit and 64-bit Windows.

Offset Definition
0x00
BOOLEAN SecureBootEnabled;
0x01
BOOLEAN SecureBootCapable;

The function fills the structure with information that the kernel learns from the loader via the BootApplicationPersistentData in the LOADER_PARAMETER_EXTENSION.