From owner-svn-src-stable@FreeBSD.ORG Tue May 27 15:30:07 2014 Return-Path: Delivered-To: svn-src-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id A749D8E3; Tue, 27 May 2014 15:30:07 +0000 (UTC) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:1900:2254:2068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 93D7925C9; Tue, 27 May 2014 15:30:07 +0000 (UTC) Received: from svn.freebsd.org ([127.0.1.70]) by svn.freebsd.org (8.14.8/8.14.8) with ESMTP id s4RFU7CL067936; Tue, 27 May 2014 15:30:07 GMT (envelope-from marius@svn.freebsd.org) Received: (from marius@localhost) by svn.freebsd.org (8.14.8/8.14.8/Submit) id s4RFU7xk067933; Tue, 27 May 2014 15:30:07 GMT (envelope-from marius@svn.freebsd.org) Message-Id: <201405271530.s4RFU7xk067933@svn.freebsd.org> From: Marius Strobl Date: Tue, 27 May 2014 15:30:07 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-9@freebsd.org Subject: svn commit: r266750 - stable/9/sys/geom/eli X-SVN-Group: stable-9 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-stable@freebsd.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: SVN commit messages for all the -stable branches of the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 27 May 2014 15:30:07 -0000 Author: marius Date: Tue May 27 15:30:06 2014 New Revision: 266750 URL: http://svnweb.freebsd.org/changeset/base/266750 Log: MFC: r259428 Clear content of keyfiles loaded by the loader after processing them. MFC: r259429 Clear some more places with potentially sensitive data. Approved by: re (gjb) Modified: stable/9/sys/geom/eli/g_eli.c stable/9/sys/geom/eli/g_eli_crypto.c Directory Properties: stable/9/sys/ (props changed) Modified: stable/9/sys/geom/eli/g_eli.c ============================================================================== --- stable/9/sys/geom/eli/g_eli.c Tue May 27 14:55:09 2014 (r266749) +++ stable/9/sys/geom/eli/g_eli.c Tue May 27 15:30:06 2014 (r266750) @@ -984,6 +984,7 @@ g_eli_keyfiles_load(struct hmac_ctx *ctx G_ELI_DEBUG(1, "Loaded keyfile %s for %s (type: %s).", file, provider, name); g_eli_crypto_hmac_update(ctx, data, size); + bzero(data, size); } } Modified: stable/9/sys/geom/eli/g_eli_crypto.c ============================================================================== --- stable/9/sys/geom/eli/g_eli_crypto.c Tue May 27 14:55:09 2014 (r266749) +++ stable/9/sys/geom/eli/g_eli_crypto.c Tue May 27 15:30:06 2014 (r266750) @@ -289,10 +289,12 @@ g_eli_crypto_hmac_final(struct hmac_ctx bzero(ctx, sizeof(*ctx)); SHA512_Update(&lctx, digest, sizeof(digest)); SHA512_Final(digest, &lctx); + bzero(&lctx, sizeof(lctx)); /* mdsize == 0 means "Give me the whole hash!" */ if (mdsize == 0) mdsize = SHA512_MDLEN; bcopy(digest, md, mdsize); + bzero(digest, sizeof(digest)); } void