Keystone – Open-source Secure Hardware Enclave

Re:Keystone – Open-source Secure Hardware Enclave by tptacek on Thursday December 06, 2018 @07:26PM (#18623984)

It's defined in machine/htif.c. HTIF is a RISC-V thing; see slide 12 of:

There's (I think) an analogous design in the Apple SEP; search "mailbox" in:

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Re:Keystone – Open-source Secure Hardware Enclave by mediocrejoker on Thursday December 06, 2018 @09:13PM (#18624552)

Thanks, those slides have some great info.

What exactly does it mean to proxy a syscall to the debugging host?

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