From: "YOSHIFUJI Hideaki / 吉藤英明" <yoshfuji@linux-ipv6.org>
To: pnanaware@ggn.hcltech.com
Cc: linux-kernel@vger.kernel.org, yoshfuji@linux-ipv6.org
Subject: Re: Copy protection of the floppies
Date: Tue, 25 Nov 2003 18:28:44 +0900 (JST) [thread overview]
Message-ID: <20031125.182844.46174767.yoshfuji@linux-ipv6.org> (raw)
In-Reply-To: <5F0021EEA434D511BE7300D0B7B6AB530CA67677@mail2.ggn.hcltech.com>
In article <5F0021EEA434D511BE7300D0B7B6AB530CA67677@mail2.ggn.hcltech.com> (at Tue, 25 Nov 2003 11:07:29 +0530), "Pravin Nanaware , Gurgaon" <pnanaware@ggn.hcltech.com> says:
> 1> Could somebody suggest me the way to protect floppy from copying it's
> contents.
> 2> If not possible, will it be possible to make the copied floppy unworkable
> (The copied floppy shouldn't work).
> For this I have constraint, I don't want to change the platform, which
> reads this floppy.
Basically, it depends on what kind of equipment you and the enemy have.
If you have special equipment and technique to write a floppy, you can make
a floppy which is not copiable by normal PCs.
But, if the enemy has similar equipment, he can do it.
About 15 years ago, there were many gaming softwares which were procected,
for example, by checking "gap" between sectors. I also heard that there
was a technique to change the hole of 5.25" (or 8") floppy for copy
protection.
--
Hideaki YOSHIFUJI @ USAGI Project <yoshfuji@linux-ipv6.org>
GPG FP: 9022 65EB 1ECF 3AD1 0BDF 80D8 4807 F894 E062 0EEA
next prev parent reply other threads:[~2003-11-25 9:28 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-11-25 5:37 Copy protection of the floppies Pravin Nanaware , Gurgaon
2003-11-25 9:07 ` Murray J. Root
2003-11-25 9:12 ` Måns Rullgård
2003-11-25 9:28 ` YOSHIFUJI Hideaki / 吉藤英明 [this message]
2003-11-25 9:40 ` Måns Rullgård
2003-11-25 10:55 ` Matthias Andree
2003-11-25 16:07 ` Ricky Beam
2003-11-25 18:37 ` Nick
2003-11-25 20:07 ` Richard B. Johnson
2003-11-25 20:52 ` Ricky Beam
2003-11-26 3:55 ` Gene Heskett
2003-11-25 10:47 ` Helge Hafting
2003-11-25 20:18 ` Antonio Vargas
2003-11-25 20:32 ` Måns Rullgård
2003-11-26 3:58 ` Gene Heskett
2003-11-27 6:07 ` Willy Tarreau
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