Can keystone run on any riscv platform?

[Jie Zhang]

Hi all,

I am now setting up the software and hardware platform for keystone test and development as described in https://github.com/keystone-enclave/keystone/blob/master/KEYSTONE-FPGA.md. 

My understanding is keystone is software-level kit, and run on RISCV processor implemented on FPGA. I am wondering whether keystone can run on any RISCV processor, or in  other word, what is the requirement of hardware for keystone?

Thanks

Jie 

[David William Kohlbrenner]

Hi,

Right now, you can build a Keystone TEE for any RISC-V system that is: RV64, and boots Linux.

We're (soon!) landing support for RV32 Linux.

Long term, our goal is to support ANY RISC-V system, including microcontroller profiles that don't boot Linux.

For building a complete system, the hardware additionally needs: a secure/measured boot solution, secure key storage, a hardware randomness source.

You can test on a system that doesn't have these by using our software emulation/stubs that are currently in use.

Let us know if you run into issues with any RV64 Linux-capable cores!

-David

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