linux-kernel - Re: [PATCH v5 08/11] intel_sgx: in-kernel launch enclave

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Message-ID: <20171115115006.p2wkvfuojwgg26br@hirez.programming.kicks-ass.net>
Date:   Wed, 15 Nov 2017 12:50:06 +0100
From:   Peter Zijlstra <peterz@...radead.org>
To:     Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
Cc:     platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org,
        Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH v5 08/11] intel_sgx: in-kernel launch enclave

On Mon, Nov 13, 2017 at 09:45:25PM +0200, Jarkko Sakkinen wrote:
> TinyCrypt (https://github.com/01org/tinycrypt) is used as AES
> implementation, which is not timing resistant. Eventually this needs to
> be replaced with AES-NI based implementation that could be either

> - re-use existing AES-NI code in the kernel

This. That is an absolute must. We're not going to merge custom AES
implementations.