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Message-ID: <CAADnVQKCSJi=U4gNv48vsS8Guu7_JP946yMuNqVAJ-D=rAme7w@mail.gmail.com>
Date:   Fri, 14 Jan 2022 08:19:12 -0800
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     Ard Biesheuvel <ardb@...nel.org>
Cc:     "Jason A. Donenfeld" <Jason@...c4.com>,
        Toke Høiland-Jørgensen <toke@...hat.com>,
        Network Development <netdev@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        Jean-Philippe Aumasson <jeanphilippe.aumasson@...il.com>,
        Linux Crypto Mailing List <linux-crypto@...r.kernel.org>,
        bpf <bpf@...r.kernel.org>
Subject: Re: [PATCH RFC v1 1/3] bpf: move from sha1 to blake2s in tag calculation

On Fri, Jan 14, 2022 at 7:08 AM Ard Biesheuvel <ardb@...nel.org> wrote:
>
> Yeah, so the issue is that, at *some* point, SHA-1 is going to have to
> go.

sha1 cannot be removed from the kernel.
See AF_ALG and iproute2 source for reference.

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