A decade after Snowden exposed NSA’s mass surveillance in cooperation with the British GCHQ, only about 1 percent of the documents have been published, but three major facts can finally be revealed thanks to a doctoral thesis in applied cryptography by Jacob Appelbaum.

  • culpritus [any]
    ·
    edit-2
    10 months ago

    Then who makes the coprocessor that is inserted into the die?

    Looking into more details of the boot process, it seems like the UEFI manufacturers such as AMI or Phoenix might be the best place to insert a pre-OS boot back door. The PSP (CCP) is just what is used to bootstrap before this step in the process.

    https://www.igorslab.de/en/inside-amd-bios-what-is-really-hidden-behind-agesa-the-psp-platform-security-processor-and-the-numbers-of-combo-pi/