Anti evil maid (AEM) and Heads

[mupanu]

AEM and Heads are same? Which I should use?

[apparatus]

Trusted Boot (Anti-Evil-Maid, Heads, and PureBoot) - Michael Altfield's Tech...

[fsflover]

Anti evil maid? coreboot? heads?

When I read the forums here, I often see the words anti evil maid, coreboot, and heads, but even after searching on Google, I can’t really figure out what they mean. Could you please explain it in a way that even someone who is not familiar with computers can understand?

Anti Evil Maid and Lenovo x230

hey, im using a lenovo x230 with the bios version 2.77 and want to use aem. the thing with aem is, at version 2.77 it seems like its not compatible. because i cleared my secure chip and if i do tpm_clear -z it says authentication failed if i downgrade bios to 2.70 it still works i also tried to reset only tpm key on 2.70 and upgrade back to 2.77 but no chance to get it working with aem (tpm_clear -z or anti-evil-maid-tpm-setup -z) also ive seen on the lenovo page the x230 is unsupported now,…