From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: ACJfBos3ab6Hm6WKA1ulItTnxqhRX0VY6BSsdYeTsZwNALnumiDyT7X9DdGop941UqRftbQec+zT ARC-Seal: i=1; a=rsa-sha256; t=1516312693; cv=none; d=google.com; s=arc-20160816; b=TYCKzLLGHI/iIoCbSwuCGnSJED9e3WND1mnT6JcLq5TT2pm6LZkdXADpQMyl5Qmwrg MW7+t9+FAAkEArONV8mlEfsRqZV044SdeLo1zjEZzo8DdDl5omhTejRMPCk4r47pPpKz cfjj/5tGsXCqWwmiq9qaiFYASHTqVjUcA7J9z9/wg8kZcJhBzBR/neXwP+INySotH+Bo UaXuMvRRGhxxxUHmuDUALQSNUx/sEJj87Zrbd8x+JqC/Abb8OGwxDT06OoEff0txbQ0u YsuGBWDMgh8BoIr4l7NLzD+V2eHt42NXSYy5KahYRLG+t6ozIvrvS64vfZepUpPfn6k7 JIyA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=subject:user-agent:in-reply-to:content-disposition:mime-version :references:message-id:cc:to:from:date:delivered-to:list-id :list-subscribe:list-unsubscribe:list-help:list-post:precedence :mailing-list:arc-authentication-results; bh=Dx5u5zXh3q8uGjEn/pC/cPDv9iWMQ1h/rUVbEcL5Lwk=; b=SAeaDEPWYTfFgWAtrY0W5wDkiNOMcj+DhSFwWHgReTHqmcd9rbQDarWOpm1hsS1SRa dMLOWLCdyVoeUSM1vc2y846XatQ/eSltZv8jpQ/yETq+MCFsyK3xeIj/jMrtP7rZenCC 38rhUaXxOlJPNExYsJquEAoTYXCZ1yAsAIx3+uzlo2Y2VBA1vPkGF6Z4AuQUDMTP8Q3g +3IouQ99EYnR8kiMi1uhedi5QqWt4T1jckDCaCpii/fSMuVktaeQp4nQXI1CEPIjw4wk UAiP4SCL9snAo06jmuIgPhbuZeeDdsSdby/g9twf48ySSBcVwZx8oSjyNOhuWE3+Ibcv CRgw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of kernel-hardening-return-11336-gregkh=linuxfoundation.org@lists.openwall.com designates 195.42.179.200 as permitted sender) smtp.mailfrom=kernel-hardening-return-11336-gregkh=linuxfoundation.org@lists.openwall.com Authentication-Results: mx.google.com; spf=pass (google.com: domain of kernel-hardening-return-11336-gregkh=linuxfoundation.org@lists.openwall.com designates 195.42.179.200 as permitted sender) smtp.mailfrom=kernel-hardening-return-11336-gregkh=linuxfoundation.org@lists.openwall.com Mailing-List: contact kernel-hardening-help@lists.openwall.com; run by ezmlm List-Post: List-Help: List-Unsubscribe: List-Subscribe: Date: Thu, 18 Jan 2018 22:57:55 +0100 From: Pavel Machek To: Dan Aloni Cc: linux-kernel@vger.kernel.org, kernel-hardening@lists.openwall.com Message-ID: <20180118215755.GB17196@amd> References: <20171230175804.7354-1-alonid@gmail.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="cvVnyQ+4j833TQvp" Content-Disposition: inline In-Reply-To: <20171230175804.7354-1-alonid@gmail.com> User-Agent: Mutt/1.5.23 (2014-03-12) Subject: [kernel-hardening] Re: [PATCH 0/5] RFC: Public key encryption of dmesg by the kernel X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: =?utf-8?q?1588232681537235123?= X-GMAIL-MSGID: =?utf-8?q?1589969098574492760?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: --cvVnyQ+4j833TQvp Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sat 2017-12-30 19:57:59, Dan Aloni wrote: > From: Dan Aloni >=20 > Hi All, >=20 > There has been a lot of progress in recent times regarding the removal > of sensitive information from dmesg (pointers, etc.), so I figured - why > not encrypt it all? However, I have not found any existing discussions > or references regarding this technical direction. >=20 > I am not sure that desktop and power users would like to have their > kernel message encrypted, but there are scenarios such as in mobile > devices, where only the developers, makers of devices, may actually > benefit from access to kernel prints messages, and the users may be > more protected from exploits. Yes, we have "TiVo" problem in mobile space, but please no, don't make it worse. We should not make it easy for device makers to lock devices down from their owners. Pavel --=20 (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blo= g.html --cvVnyQ+4j833TQvp Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iEYEARECAAYFAlphGGMACgkQMOfwapXb+vKYzgCgsXhCQ5k4FTFeHZGSErOtmUzB r48Ani2BjUlFeMGZgeZfQJcXYIoFXO0h =NApR -----END PGP SIGNATURE----- --cvVnyQ+4j833TQvp--