From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4E2AB24DCE6 for ; Tue, 14 Oct 2025 17:39:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760463589; cv=none; b=Of74fGUSjTuKuCjQlFHwZic0Idp7SBe/7O4XNw7Rv86mVM/U4pHlVFlrlXCwCZ735S1rUgsuUfYV5R9+dGbtoZ0MsQAB8WDOUlzovm/SX/UEjlOgnPiE8PX+QIQi6sZYo4fZu+6wySaODpfQpemGHjuCkNzdpnyYyF0OhMczMjc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760463589; c=relaxed/simple; bh=2MgZiQ8xCOmS7begoOB7JEYWhDBoDqRlArb5/meY4Us=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=aokAOMJMUXGBaHWXLD4Eo2N+AKRb5xbbX5BvuW8Ch3nWqL9y4GMh2nGLAfwCbZ1/Z1mQfZMgKbIoERmHCozd1hcHXeBl/kelxB2sXjJMdWnetlMEPnIpBE/4jDEtNmrZ0EyGOcQmbmvDEJVnZiUCyDlReRDJo2cAwUak6hm5VmM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=dBfgm/oo; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="dBfgm/oo" Received: by smtp.kernel.org (Postfix) with ESMTPSA id ED22EC4CEE7; Tue, 14 Oct 2025 17:39:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1760463589; bh=2MgZiQ8xCOmS7begoOB7JEYWhDBoDqRlArb5/meY4Us=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=dBfgm/ooW4+ZUXOHYWXrYcTe7BHM8YMsdZ0F+vBY+IJvlGkrLfoZHGY2NKYxY9FPn QNWzu0WFawJduerYC+SM0t9NBXB17YJkmeu7bQnoLw59zoEGg1x0bSswSeyYta6GWw J3byrrEBGnzG/N6PcIRBjCAQMjVOF+XjiwxAV2pIQtEbb0/0U1ONAb2uCcLa0ELp4L pX0tFee8N/g76vSMTdkfbzwSsZOm0tlzwwUQrAcmo62PkqdTy6r20KuVSMJpQfTvPU v0ywKMmgI/gJIB1J514CtPjdLMvDIx3G7B0BrpHazWeM2s9eXXLQBqQDjaTpgvsKdQ cu2W9cpSwyT7A== Date: Tue, 14 Oct 2025 17:39:47 +0000 From: Eric Biggers To: James Bottomley Cc: Ard Biesheuvel , linux-crypto@vger.kernel.org Subject: Re: Adding algorithm agility to the crypto library functions Message-ID: <20251014173947.GA2923951@google.com> References: <20251014165541.GA1544@sol> <607ba12f2700e4a5bca9e403dd4c215d7cb6e078.camel@HansenPartnership.com> Precedence: bulk X-Mailing-List: linux-crypto@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <607ba12f2700e4a5bca9e403dd4c215d7cb6e078.camel@HansenPartnership.com> On Tue, Oct 14, 2025 at 01:32:01PM -0400, James Bottomley wrote: > NIST is deprecating sha-256 for Post Quantum so it's a time limited > choice before we have to do agile anyway. So support SHA-256 and SHA-512. Let's not do "we have to support multiple algorithms anyway, so let's add a bunch of other random algorithms too". - Eric