From owner-freebsd-users-jp@FreeBSD.ORG Mon Dec 9 13:53:59 2013 Return-Path: Delivered-To: freebsd-users-jp@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 66D4A4C9 for ; Mon, 9 Dec 2013 13:53:59 +0000 (UTC) Received: from mx.narihara-lab.jp (mx.narihara-lab.jp [60.32.128.217]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 15E041C8E for ; Mon, 9 Dec 2013 13:53:58 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by mx.narihara-lab.jp (8.14.7/8.14.7) with ESMTP id rB9DTtZS081594; Mon, 9 Dec 2013 22:29:57 +0900 (JST) (envelope-from kom@narihara-lab.jp) Date: Mon, 09 Dec 2013 22:29:55 +0900 (JST) Message-Id: <20131209.222955.493909932.kom@narihara-lab.jp> To: delmonta@dennougedougakkai-ndd.org From: Hiroyuki Komatsu In-Reply-To: References: X-Mailer: Mew version 6.3 on Emacs 23.3 / Mule 6.0 (HANACHIRUSATO) Mime-Version: 1.0 Content-Type: Text/Plain; charset=iso-2022-jp Content-Transfer-Encoding: 7bit Cc: freebsd-users-jp@FreeBSD.org Subject: [FreeBSD-users-jp 95095] Re: =?iso-2022-jp?b?GyRCOWJCLiRLJU8lQyU3JWUkcjdXOzskOSRrJUQbKEI=?= =?iso-2022-jp?b?GyRCITwlayRPJEokJCRHJDckZyQmJCsbKEI=?= X-BeenThere: freebsd-users-jp@freebsd.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: Discussion relevant to FreeBSD communities in Japan List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 09 Dec 2013 13:53:59 -0000 小松です From: "IIJIMA Hiromitsu" Date: Mon, 9 Dec 2013 15:01:10 +0900 > 最低限MD5 最近の動向は詳しくないんですけど, MD5 とか SHA1 辺りはアセン ブラとか, CUDA 辺りでパイプライン化して頑張るしかない代物じゃ ありませんでしたっけ? # つか, そのための暗号化ハードだったような記憶が… FastHash の説明みてもアセンブラ頑張ってます状態だし… 少なくとも「並列マルチスレッドで何とか…」とかなるとなると, 並列化しても, 衝突が簡単に見つからないような, もっとモダン なアルゴリズムが必要なような気がします.