The firmware implementing TPM functionality, which definitely exists in at least some cases:
https://en.wikipedia.org/wiki/Trusted_Platform_Module#Field_...
For ASIC-only devices, the keys are burned-in, which is user-hostile too.
https://en.wikipedia.org/wiki/Trusted_Platform_Module#Field_...
For ASIC-only devices, the keys are burned-in, which is user-hostile too.
https://www.blackduck.com/blog/cyrc-discovers-asus-tplink-wl...