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Article #1553Authorization/Unlock Codes
From: Jeff
Date: Wed, 11 Jul 2007 17:27
Date: Wed, 11 Jul 2007 17:27
7 lines
1238 bytes
1238 bytes
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. Thanks, Jeff
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X-Google-Thread: 10cc67,f069702f4d8a0503,start X-Google-Attributes: gid10cc67,public,usenet X-Google-Language: ENGLISH,ASCII-7-bit From: "Jeff" <Jeff@nospam.com> Newsgroups: borland.public.cppbuilder.nativeapi Subject: Authorization/Unlock Codes Date: Wed, 11 Jul 2007 11:27:12 -0600 Lines: 9 X-Priority: 3 X-MSMail-Priority: Normal X-Newsreader: Microsoft Outlook Express 6.00.2900.3138 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3138 X-RFC2646: Format=Flowed; Original NNTP-Posting-Host: 198.68.195.232 Message-ID: <46951354$1@newsgroups.borland.com> X-Trace: newsgroups.borland.com 1184174932 198.68.195.232 (11 Jul 2007 10:28:52 -0700) Path: arc1-ca.pugleaf.net!g2news1.google.com!news4.google.com!feeder1-2.proxad.net!proxad.net!feeder1-1.proxad.net!club-internet.fr!feedme-small.clubint.net!newsfeed.freenet.de!newsfeed00.sul.t-online.de!newsfeed01.sul.t-online.de!t-online.de!newsgroups.borland.com!not-for-mail