Received: by 2002:a05:6a10:9848:0:0:0:0 with SMTP id x8csp1134673pxf; Fri, 2 Apr 2021 02:04:41 -0700 (PDT) X-Google-Smtp-Source: ABdhPJx/AkAJ5p2aDW7jgcXrNFy1bDP4yJC5LTRzFm2ioC/FZh2xwqICNYiiQ8Ay5bDbRjkvwxeV X-Received: by 2002:a92:c942:: with SMTP id i2mr11035759ilq.241.1617354280904; Fri, 02 Apr 2021 02:04:40 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1617354280; cv=none; d=google.com; s=arc-20160816; b=MldkJcFTrTWf3Aa8XxwZpoib2lE/ooCWhfc64zANgCNwhIdIKWOplRSIdcojFmhhzC HOXgF+yjWAVK4Cv2/1BjzIeLX9GuTWW+E5hapjQ8Hmq3x4uJaxeJYhjjdoGZLNmfNjPY mtNDtyNa1m0n7czx2iBRYpZW6Np+fC1afMWP5ekyGoHztuxq7s/oHUuQro8opl3MtHgQ 3KgsiMp2KM/V9337bcXhXMo9LPwu6HvdGKcTTyjyiAXNrThgqecda6/J4BFV03eFZjMx R8CgXZipItKkmPZUjUH2Y5VpgOydJvnk76Is4srw4W6grlSU1/G8NTPV7so0hUTMyUL8 qGMA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:user-agent:in-reply-to:content-disposition :mime-version:references:message-id:subject:cc:to:from:date; bh=GJOzIEgHISisYEb+CRKVXnfyFTTni7nhVA/Ys2RDZCo=; b=d4cgFlJtTAtg1V0J3lovZ6ItGq0E9XSgn5ErJfX5a/XqN2qluIGG/LV+d8hRqYwibD +Kv9W/dFI71EAB2YtLPNwD1dWqKTNyk8bXVZIPgIChBI4n2wpNYcGoLg4Qz4N/cJoKuG 5oQF6iZHtQha3BKQ6H9HmyvX8QNFPhSf5Up+ycmpRjeRiBGDjbYBKgSO/L0t2t/ylzC3 XWnvJsI9ROCsxb5gFkGNLTT6DPsA24begw1AeAcFy8DnEiZpOnwPc+Vz7WKhSjHFSgXS pG3tuCghX9lisF+1VbJr54TY34V/nWti4xa7oi/DtAijR3zYtKqLqxE/ZU5T4oSOUlmW vkyg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-crypto-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-crypto-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id p31si7457065jal.19.2021.04.02.02.04.27; Fri, 02 Apr 2021 02:04:40 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-crypto-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-crypto-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-crypto-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234354AbhDBJEB (ORCPT + 99 others); Fri, 2 Apr 2021 05:04:01 -0400 Received: from helcar.hmeau.com ([216.24.177.18]:58930 "EHLO fornost.hmeau.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229553AbhDBJEB (ORCPT ); Fri, 2 Apr 2021 05:04:01 -0400 Received: from gwarestrin.arnor.me.apana.org.au ([192.168.103.7]) by fornost.hmeau.com with smtp (Exim 4.92 #5 (Debian)) id 1lSFif-0002IM-40; Fri, 02 Apr 2021 20:03:58 +1100 Received: by gwarestrin.arnor.me.apana.org.au (sSMTP sendmail emulation); Fri, 02 Apr 2021 20:03:56 +1100 Date: Fri, 2 Apr 2021 20:03:56 +1100 From: Herbert Xu To: Eric Biggers Cc: Theodore Ts'o , linux-kernel@vger.kernel.org, linux-crypto@vger.kernel.org, Andy Lutomirski , Jann Horn , Ard Biesheuvel Subject: Re: [PATCH RESEND] random: initialize ChaCha20 constants with correct endianness Message-ID: <20210402090356.GA24509@gondor.apana.org.au> References: <20210322051347.266831-1-ebiggers@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210322051347.266831-1-ebiggers@kernel.org> User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org On Sun, Mar 21, 2021 at 10:13:47PM -0700, Eric Biggers wrote: > From: Eric Biggers > > On big endian CPUs, the ChaCha20-based CRNG is using the wrong > endianness for the ChaCha20 constants. > > This doesn't matter cryptographically, but technically it means it's not > ChaCha20 anymore. Fix it to always use the standard constants. > > Cc: linux-crypto@vger.kernel.org > Cc: Andy Lutomirski > Cc: Jann Horn > Cc: Theodore Ts'o > Acked-by: Herbert Xu > Acked-by: Ard Biesheuvel > Signed-off-by: Eric Biggers > --- > drivers/char/random.c | 4 ++-- > include/crypto/chacha.h | 9 +++++++-- > 2 files changed, 9 insertions(+), 4 deletions(-) Patch applied. Thanks. -- Email: Herbert Xu Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt