why not grant a permisson for 'x' days after the serial was verified by the server, so in worst case scenario user kan keep on working for a number of days before it has te verified again, offcourse this means storing a permission key, wich brings in the subject of encryption again .....
----- Original Message ----- From: "CubicDesign" <[EMAIL PROTECTED]> To: "Borland's Delphi Discussion List" <[email protected]> Sent: Thursday, February 22, 2007 11:53 AM Subject: Re: licensing / security question > You don't want to put the serial on a server, online. > > If your server is down or the user don't have access to the Internet > (Windows is broken, ISP is temporary down, firewall conflicts, laptop on > the road...), it won't be able to use the program. > > Next problem is: what will happen if the user changed the hardware? You > will have to generate a new serial, over and over. Finally the user may > figure it out and will lie to you that it changed the hardware only to > get a new serial for a new machine. > > I use this system in this moment. It is very safe, but very difficult to > manage. > > By the way: there are tools that can change the serial number of a > partition. > > [EMAIL PROTECTED] wrote: >> Hi, >> I have a standard delphi .exe that I want to distribute to authorised >> Users, but do not want the application to be copied/sent to their >> friends/colleagues. >> I need a way of linking the executable to a specific computer, and only >> allowing it to run on that machine. I have already looked at using the >> disk serial number to make the computer unique, so that if John sent the >> executable to Fred, it wouldn't work on his compuer because the disk >> serial number is different. But, the administration of this is a bit >> unwieldy, because Fred would have to run a program to tell him his unique >> disk serial number, he would email it to me, and I could then save it to >> a >> server, and have the application check the disk serial number on >> startup - >> or something similar. >> >> Basically, I'd like some advice on how to best control software & >> distribution easily, quickly, and cheaply - preferably by using a Delphi >> component, or by any other easy method >> >> Regards, >> Steve Bowker >> >> >> *****************************************************************************Wincanton >> >> plc is a leading European provider of supply chain solutions. We design, >> implement and operate creative solutions for customers in 15 countries. >> Our business has a turnover of over EUR2.7bn /GBP1.81bn and employs >> 27,000 staff across 360 locations. Warehousing, transport and specialist >> services are provided for customers in a range of sectors including >> automotive, retail, FMCG, petrochemicals and manufacturing. Further >> information on our unique achievements and competencies can be found by >> visiting >> www.wincanton.co.uk >> *****************************************************************************This >> >> e-mail and any files transmitted with it are confidential and intended >> solely for the use of the individual(s) to whom it is addressed. If you >> have received this e-mail in error please contact IT Service Desk on +44 >> (0) 870 870 9393 or e-mail [EMAIL PROTECTED] Any views or >> opinions expressed are solely those of the author and do not necessarily >> represent those of Wincanton plcor any of its subsidiary companies. >> Unauthorised publication, use, dissemination, forwarding, printing or >> copying of this e-mail and its associated attachment(s) is strictly >> prohibited.Wincanton plc, Methuen Park, Chippenham, Wiltshire SN14 0WT. >> ***************************************************************************** >> _______________________________________________ >> Delphi mailing list -> [email protected] >> http://www.elists.org/mailman/listinfo/delphi >> >> > _______________________________________________ > Delphi mailing list -> [email protected] > http://www.elists.org/mailman/listinfo/delphi _______________________________________________ Delphi mailing list -> [email protected] http://www.elists.org/mailman/listinfo/delphi
