Article View: borland.public.cppbuilder.nativeapi
Article #1554Re: Authorization/Unlock Codes
From: Remy Lebeau (TeamB)
Date: Thu, 12 Jul 2007 04:08
Date: Thu, 12 Jul 2007 04:08
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"Jeff" <Jeff@nospam.com> wrote in message news:46951354$1@newsgroups.borland.com... > Does anyone know of best practices when implementing > shareware expiration in their applications? I'd like to develop > a piece of software that has a trail period (expiration date) > and need to understand how best to lock the program and > how to develop a unlock key generation algorithm. That is a very broad question. There is no single best approach to it, as there are many approaches and each has its advantages and disadvantages. This topic has been discussed in lengthy detail many many times before. Go to http://www.deja.com to search through the newsgroup archives. Also, have a look at MJFSecurity (http://www.mjfreelancing.com) to get your started. Gambit
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X-Google-Thread: 10cc67,f069702f4d8a0503 X-Google-Attributes: gid10cc67,public,usenet X-Google-Language: ENGLISH,ASCII-7-bit From: "Remy Lebeau \(TeamB\)" <gambit47.no.spam@no.spam.yahoo.com> Newsgroups: borland.public.cppbuilder.nativeapi References: <46951354$1@newsgroups.borland.com> Subject: Re: Authorization/Unlock Codes Date: Wed, 11 Jul 2007 21:08:30 -0700 Lines: 22 X-Priority: 3 X-MSMail-Priority: Normal X-Newsreader: Microsoft Outlook Express 6.00.2800.1409 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1409 NNTP-Posting-Host: 75.82.252.126 Message-ID: <4695aa1c$1@newsgroups.borland.com> X-Trace: newsgroups.borland.com 1184213532 75.82.252.126 (11 Jul 2007 21:12:12 -0700) Path: arc1-ca.pugleaf.net!g2news1.google.com!news1.google.com!border1.nntp.dca.giganews.com!border2.nntp.dca.giganews.com!nntp.giganews.com!newspeer1.nwr.nac.net!newsfeeds.ihug.co.nz!ihug.co.nz!newsgroups.borland.com!not-for-mail X-Original-Bytes: 1589