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Date: Wed, 14 Oct 2026 17:29:09 +0200
From: Eric Biggers <ebiggers@kernel.org>
To: vladimir@genproof.com
Cc: Herbert Xu <herbert@gondor.apana.org.au>,
	"David S. Miller" <davem@davemloft.net>,
	"Jason A. Donenfeld" <Jason@zx2c4.com>,
	Ard Biesheuvel <ardb@kernel.org>, linux-crypto@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org,
	linux-mips@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	Paul Walmsley <pjw@kernel.org>, Palmer Dabbelt <palmer@dabbelt.com>,
	Albert Ou <aou@eecs.berkeley.edu>, Alexandre Ghiti <alex@ghiti.fr>
Subject: Re: [PATCH 0/5] lib/crypto: Handle large lengths in poly1305 and
 chacha20poly1305
Message-ID: <20261014152909.GA322435@quark>
References: <20261012-libcrypto-4gib-lengths-v1-0-ea566c129a2e@genproof.com>
 <20261013173508.GB3830@quark>
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In-Reply-To: <20261013173508.GB3830@quark>

On Tue, Oct 13, 2026 at 07:35:08PM +0200, Eric Biggers wrote:
> Thanks!  Patches 1-3 look good.  I'm less sure about patches 4-5, since
> they go through some trouble to work around (some implementations of)
> poly1305_blocks() and chacha_crypt_arch() not taking size_t.  Wouldn't
> it make sense to convert those to size_t at the same time?

I think we should just get this out of the way by converting each
algorithm entirely to size_t.  The series
https://lore.kernel.org/r/20261014152604.323310-1-ebiggers@kernel.org
does this.

- Eric