From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8B6D1C3526C for ; Sat, 19 Dec 2020 21:31:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4F3A923406 for ; Sat, 19 Dec 2020 21:31:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727750AbgLSVbj (ORCPT ); Sat, 19 Dec 2020 16:31:39 -0500 Received: from mo4-p01-ob.smtp.rzone.de ([85.215.255.51]:33032 "EHLO mo4-p01-ob.smtp.rzone.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726471AbgLSVbj (ORCPT ); Sat, 19 Dec 2020 16:31:39 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; t=1608413326; s=strato-dkim-0002; d=chronox.de; h=References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From:From: Subject:Sender; bh=bN5Bo5Xp6bbNWNfibLEW05ERysjkshF+M+r+x5jX+R8=; b=tIt9lphuFTJZmG5WEKR5KBegJuL6sXsKIKe1CWbHEp+l59qped/TVmHAicWb7MsbGJ qAVJyHBDSm7R+cpw3YFxatH6Qkv9AanrDX5QXHQoH6F1MbGEz7JhFdDVsGa0RbyjAhvO 0bLLtsxXJ0of+BfCro7VlN4hWFIKostbgjCM9bx8IqX6teIaa4Pi8NfwF+AuaKXEN3CW MZUDyGxDMP7NqCJydBTNBrFC5MVaAg8iqqtas0HoLToNPvCnCxBzvJ5KcEtK1OZyaqAH musOid5kd7dW3DRm/HCiC0eGRrcQI/yF+iCs2sUVU/vvE2p2mOqjFpPlrVRT4h4t6E82 6Uew== X-RZG-AUTH: ":P2ERcEykfu11Y98lp/T7+hdri+uKZK8TKWEqNyiHySGSa9k9xmwdNnzGHXPbJPSfbd7O" X-RZG-CLASS-ID: mo00 Received: from positron.chronox.de by smtp.strato.de (RZmta 47.9.3 DYNA|AUTH) with ESMTPSA id z0431awBJLPX8J1 (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256 bits)) (Client did not present a certificate); Sat, 19 Dec 2020 22:25:33 +0100 (CET) From: Stephan =?ISO-8859-1?Q?M=FCller?= To: yumeng Cc: linux-crypto@vger.kernel.org, xuzaibo@huawei.com, wangzhou1@hisilicon.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH v4 4/5] crypto: hisilicon/hpre - add 'ECDH' algorithm Date: Sat, 19 Dec 2020 22:25:32 +0100 Message-ID: <4588284.GXAFRqVoOG@positron.chronox.de> In-Reply-To: <06fa1f72-fad8-a3e5-987a-d322918ac30a@huawei.com> References: <13db294664a6b2e26a892dd544c714d3e385b0cc.camel@chronox.de> <06fa1f72-fad8-a3e5-987a-d322918ac30a@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Am Donnerstag, 17. Dezember 2020, 04:07:30 CET schrieb yumeng: Hi yumeng, > > I see in "SEC 2: Recommended Elliptic Curve Domain ParametersVersion2.0" > that 'Recommend Elliptic Curve Domain Parameters over Fp' are secp192, > secp224, secp256, secp384, and secp521, secp128 and secp320 are not > recommended. > So you mean it's better not to include secp128 and secp320, right? Precisely because I do not see the use case in the kernel. > > Thanks, Ciao Stephan