linux-kernel - Re: [PATCH RFC v2 1/3] bpf: move from sha1 to blake2s in tag calculation

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Message-ID: <CAADnVQJ1qsGacgrsKNiMme--+nwPVG+bd1D8rF8t8bDCvTgbLw@mail.gmail.com>
Date:   Fri, 14 Jan 2022 08:20:21 -0800
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     "Jason A. Donenfeld" <Jason@...c4.com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Network Development <netdev@...r.kernel.org>,
        bpf <bpf@...r.kernel.org>,
        Linux Crypto Mailing List <linux-crypto@...r.kernel.org>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        Andy Lutomirski <luto@...capital.net>,
        Ard Biesheuvel <ardb@...nel.org>,
        Jean-Philippe Aumasson <jeanphilippe.aumasson@...il.com>
Subject: Re: [PATCH RFC v2 1/3] bpf: move from sha1 to blake2s in tag calculation

On Fri, Jan 14, 2022 at 6:20 AM Jason A. Donenfeld <Jason@...c4.com> wrote:
>
> BLAKE2s is faster and more secure. SHA-1 has been broken for a long time
> now. This also removes quite a bit of code, and lets us potentially
> remove sha1 from lib, which would further reduce vmlinux size.

Same NACK as before.
Stop this spam. Pls.