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    SubjectRe: SGX vs LSM (Re: [PATCH v20 00/28] Intel SGX1 support)
    On Thu, May 30, 2019 at 02:36:01PM -0700, Sean Christopherson wrote:
    > Assuming MRENCLAVE generated by Graphene or any other hosting scheme are
    > stable[1], then avoiding EXEC<whatever> means the user can effectively
    > whitelist what enclaves are runnable by Graphene, even if the kernel
    > doesn't implement security_enclave_create/init().
    >
    > I agree that it probably isn't all that important, it's more of a "why
    > not" argument, i.e. what is gained by not using sigstruct as a proxy?
    >
    > [1] What in the world is being attested if MRENCLAVE isn't stable?

    If I've understood correctly, Graphene uses a single loader enclave
    that loads the executable in.

    /Jarkko

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