From owner-freebsd-hackers@freebsd.org Wed Oct 30 07:06:59 2019 Return-Path: Delivered-To: freebsd-hackers@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 380F317B979 for ; Wed, 30 Oct 2019 07:06:59 +0000 (UTC) (envelope-from wojtek@puchar.net) Received: from puchar.net (puchar.net [194.1.144.90]) (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 472zz605n4z4Wl3; Wed, 30 Oct 2019 07:06:57 +0000 (UTC) (envelope-from wojtek@puchar.net) Received: Received: from 127.0.0.1 (localhost [127.0.0.1]) by puchar.net (8.15.2/8.15.2) with ESMTPS id x9U76pe2099137 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Wed, 30 Oct 2019 08:06:51 +0100 (CET) (envelope-from puchar-wojtek@puchar.net) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=puchar.net; s=default; t=1572419212; bh=ASxI7D/Un9unG/BImnr7BsQGNTleRW4tBaadNmmgEUY=; h=Date:From:To:cc:Subject:In-Reply-To:References; b=qdOevhfJHR0GD4mnsLk4qvetniQI3wemq5MmWD+rxI4KQQJ+PbM4wX8VIbY4oNBtw LK5fUCiAv2Udffpb1GFD4bll0pO8x9GW8C8BOgbyGffQq67eOvjsJ0fT8Cak4wlF5b fPLn98A3fvLGfdIZdaAvqWshCsQ9WmMNeChAKmPU= Received: from localhost (puchar-wojtek@localhost) by puchar.net (8.15.2/8.15.2/Submit) with ESMTP id x9U76pLV099134; Wed, 30 Oct 2019 08:06:51 +0100 (CET) (envelope-from puchar-wojtek@puchar.net) Date: Wed, 30 Oct 2019 08:06:51 +0100 (CET) From: Wojciech Puchar To: Miroslav Lachman <000.fbsd@quip.cz> cc: Wojciech Puchar , =?ISO-8859-15?Q?Stefan_E=DFer?= , freebsd-hackers@freebsd.org Subject: Re: converting password hashes In-Reply-To: <9952a3b8-025f-2f8a-139f-417a2b0dcec9@quip.cz> Message-ID: References: <1A7D3067-D5D6-47A0-9F42-FCBF8A1A856D@transactionware.com> <6bc3f2ec-0b2b-bbcc-2636-7130f8567bb4@freebsd.org> <9952a3b8-025f-2f8a-139f-417a2b0dcec9@quip.cz> User-Agent: Alpine 2.20 (BSF 67 2015-01-07) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed X-Rspamd-Queue-Id: 472zz605n4z4Wl3 X-Spamd-Bar: ---- Authentication-Results: mx1.freebsd.org; dkim=fail (rsa verify failed) header.d=puchar.net header.s=default header.b=qdOevhfJ; dmarc=none; spf=pass (mx1.freebsd.org: domain of wojtek@puchar.net designates 194.1.144.90 as permitted sender) smtp.mailfrom=wojtek@puchar.net X-Spamd-Result: default: False [-4.75 / 15.00]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[4]; R_SPF_ALLOW(-0.20)[+mx]; R_DKIM_REJECT(1.00)[puchar.net:s=default]; MIME_GOOD(-0.10)[text/plain]; DMARC_NA(0.00)[puchar.net]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; TO_DN_SOME(0.00)[]; TO_MATCH_ENVRCPT_SOME(0.00)[]; DKIM_TRACE(0.00)[puchar.net:-]; RCVD_IN_DNSWL_NONE(0.00)[90.144.1.194.list.dnswl.org : 127.0.10.0]; IP_SCORE(-3.45)[ip: (-9.13), ipnet: 194.1.144.0/24(-4.56), asn: 43476(-3.65), country: PL(0.07)]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; RCVD_TLS_LAST(0.00)[]; ASN(0.00)[asn:43476, ipnet:194.1.144.0/24, country:PL]; MID_RHS_MATCH_FROM(0.00)[]; RCVD_COUNT_TWO(0.00)[2] X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 30 Oct 2019 07:06:59 -0000 >>> since that is the expected encoding for $1$ password entries ... >> >> tried: >> >> $ echo -n blah|md5|xxd -r -p|base64 >> bx7QAqtVlYWQFOvwlRUi2Q== >> >> then i put $1$$bx7QAqtVlYWQFOvwlRUi2Q by vipw in password field >> >> tried to log in with blah password. doesn't work >> >> any more ideas? > > MD5 passwords are very weak and should not be used in these days. > Blf-Crypt (bcrypt) or Argon2 is recommended > https://doc.dovecot.org/configuration_manual/authentication/password_schemes/ > not what i've asked