From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Nala Ginrut Newsgroups: gmane.lisp.guile.user Subject: Re: Human Typable Shared Secret (make-passwd.scm) Date: Fri, 19 Jun 2015 11:08:14 +0800 Organization: HFG Message-ID: <1434683294.11691.6.camel@Renee-desktop.suse> References: <55825D85.5030209@o2online.de> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1434683322 12436 80.91.229.3 (19 Jun 2015 03:08:42 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 19 Jun 2015 03:08:42 +0000 (UTC) Cc: guile-user@gnu.org To: Michael Titke Original-X-From: guile-user-bounces+guile-user=m.gmane.org@gnu.org Fri Jun 19 05:08:34 2015 Return-path: Envelope-to: guile-user@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1Z5mfP-0006U8-Mb for guile-user@m.gmane.org; Fri, 19 Jun 2015 05:08:31 +0200 Original-Received: from localhost ([::1]:55678 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Z5mfO-0003Zw-DW for guile-user@m.gmane.org; Thu, 18 Jun 2015 23:08:30 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:35604) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Z5mfG-0003Zr-Uw for guile-user@gnu.org; Thu, 18 Jun 2015 23:08:24 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Z5mfD-0001ub-PL for guile-user@gnu.org; Thu, 18 Jun 2015 23:08:22 -0400 Original-Received: from mail-pa0-x233.google.com ([2607:f8b0:400e:c03::233]:33265) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Z5mfD-0001uJ-Hd for guile-user@gnu.org; Thu, 18 Jun 2015 23:08:19 -0400 Original-Received: by padev16 with SMTP id ev16so75021461pad.0 for ; Thu, 18 Jun 2015 20:08:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=message-id:subject:from:to:cc:date:in-reply-to:references :organization:content-type:mime-version:content-transfer-encoding; bh=74AZa86T003z6LFCfHZxaheHGmeVTtCFyQQCp3TYX4E=; b=j7Eb5uC52A4Rn1KiUqOBg5oOUkyou2oRNsu80cor9cxhGLXPPD1oKPg4+CZRYWRHft OhHtHtpl81bIRdX5yvNycDZo6/2Y92/mNevNUN+O1M1ezDMpyh9vW3YfZQiPa+Vyp2n5 WE5/Xp3DvW+9v+f15O30z0gXHucaqGDX3P0ys7m66LFF0bvguBCuXuglxmRzuMB+rFgz O6lEz171+dBfh2BQxTdTgYDFgn4QIAc0/t7UEkDscDalXw3f2z9DNflnmauR4DwIEEsK +43jOvV939/pww1nGHJLm1rwGEdCbLR/Q2ISzOjkB/WdYpi9l5HNQ6Wki5Xp4eMy4c9R a8WQ== X-Received: by 10.66.63.70 with SMTP id e6mr26839200pas.62.1434683298704; Thu, 18 Jun 2015 20:08:18 -0700 (PDT) Original-Received: from [147.2.147.174] ([203.192.156.9]) by mx.google.com with ESMTPSA id om10sm9410353pbb.58.2015.06.18.20.08.16 (version=SSLv3 cipher=RC4-SHA bits=128/128); Thu, 18 Jun 2015 20:08:17 -0700 (PDT) In-Reply-To: <55825D85.5030209@o2online.de> X-Mailer: Evolution 3.4.4 X-detected-operating-system: by eggs.gnu.org: Error: Malformed IPv6 address (bad octet value). X-Received-From: 2607:f8b0:400e:c03::233 X-BeenThere: guile-user@gnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: General Guile related discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guile-user-bounces+guile-user=m.gmane.org@gnu.org Original-Sender: guile-user-bounces+guile-user=m.gmane.org@gnu.org Xref: news.gmane.org gmane.lisp.guile.user:11845 Archived-At: Thanks for sharing! It's inspired me to add such passwd generator to Artanis as a plugin in the future. ;-) On Thu, 2015-06-18 at 07:56 +0200, Michael Titke wrote: > Whenever you would like to do something very very important you probably > will need a new password for subscribing to a mailing list, creating > another on-line account and else. After some passwords you start to > develop a scheme on how to easily create new passwords in your mind but > it remains daunting. The password storage and retrieval is already done > by Firefox, Thunderbird, Key Chain and Account Managers but the password > creation is still left to the user who - as a matter of fact - only > needs to memorize his master password. > > To fill the gap I have written a small command line utility in Guile > Scheme which serves my needs. > > > Human Typable Shared Secret (System Scheme) > > This implementation creates a human typable shared secret > especially for protecting online accounts and it should be used in > conjunction with keychains or password managers. It is defined to > not use certain special characters which are known to be difficult > to find if the keyboard layout in software doesn't match the actual > inscriptions on the keys. It is designed to remain usable on > paper backups. Its shared secrets have the property of being > hard (but not impossible) to communicate by oral speech. They are > also hard to memorize especially when you can look at them only for > a short time. > >