From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:34301) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bi2Au-00012h-6l for qemu-devel@nongnu.org; Thu, 08 Sep 2016 12:27:41 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bi2As-00076z-8i for qemu-devel@nongnu.org; Thu, 08 Sep 2016 12:27:39 -0400 Received: from mx1.redhat.com ([209.132.183.28]:33114) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bi2As-00076m-3g for qemu-devel@nongnu.org; Thu, 08 Sep 2016 12:27:38 -0400 Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id BEB71C030713 for ; Thu, 8 Sep 2016 16:27:37 +0000 (UTC) From: "Daniel P. Berrange" Date: Thu, 8 Sep 2016 17:27:26 +0100 Message-Id: <1473352047-908-6-git-send-email-berrange@redhat.com> In-Reply-To: <1473352047-908-1-git-send-email-berrange@redhat.com> References: <1473352047-908-1-git-send-email-berrange@redhat.com> Subject: [Qemu-devel] [PATCH 5/6] crypto: increase default pbkdf2 time for luks to 2 seconds List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org cryptsetup recently increased the default pbkdf2 time to 2 seconds to partially mitigate improvements in hardware performance wrt brute-forcing the pbkdf algorithm. This updates QEMU defaults to match. Signed-off-by: Daniel P. Berrange --- crypto/block-luks.c | 2 +- qapi/crypto.json | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/crypto/block-luks.c b/crypto/block-luks.c index 7d5893a..c843983 100644 --- a/crypto/block-luks.c +++ b/crypto/block-luks.c @@ -921,7 +921,7 @@ qcrypto_block_luks_create(QCryptoBlock *block, memcpy(&luks_opts, &options->u.luks, sizeof(luks_opts)); if (!luks_opts.has_iter_time) { - luks_opts.iter_time = 1000; + luks_opts.iter_time = 2000; } if (!luks_opts.has_cipher_alg) { luks_opts.cipher_alg = QCRYPTO_CIPHER_ALG_AES_256; diff --git a/qapi/crypto.json b/qapi/crypto.json index 1527f4b..e7a2ba2 100644 --- a/qapi/crypto.json +++ b/qapi/crypto.json @@ -187,7 +187,7 @@ # Currently defaults to 'sha256' # @iter-time: #optional number of milliseconds to spend in # PBKDF passphrase processing. Currently defaults -# to 1000. Since 2.8 +# to 2000. Since 2.8 # Since: 2.6 ## { 'struct': 'QCryptoBlockCreateOptionsLUKS', -- 2.7.4