re how to the disks copy protected in apr reed edu mblock reed edu matt block writes in article sehari marge ecss iastate edu sehari iastate edu babak sehari writes i was wondering what copy protection techniques are avaliable and how effective are they has anyone have any experience in this area with highest regards babak sehari uh oh umm there are a number of copy protection schemes some involve modifying the physical media and some involve encryption schemes c all of the ones that have existed over the course of computing have been successful for a time i recall however near monthly releases of new ways to crack the copy protection scheme of the latest releases the fact is none of them are completely secure or anywhere near it some are more or less difficult to crack and some have already been cracked i guess what i am saying is that your question is difficult if not impossible to answer what exactly do you want to know do you need a good one for a project you are working on how secure must it be are you trying to crack one that someone else has used i can probably make suggestions assuming the activity is strictly legal in general it is a bad idea legally to tamper with copy protection it can also lead to corruption of files which you necessarily do not have back ups of being as they are copy protected which can be devestating do you have absolutely no ideas for practical applications and are merely curious please clear up those questions and i ll try to help as much as i can incidentally the uh oh at the top is indicative of the dread anyone who has watched their friends hacking equipment be carted off feels when they are asked how to hack the area you are broaching is wrought with dangers many of which include breaking the law or at least addressing it from one side or the other matt i have written a program and i want to market it i would like certain degree of protection since my main custmers are individuals and not the cooperations i know laser hole burning method and hardware key method however my software is going to cost only so i can not afford that also at this low price i can not afford people make too many copy of my software well i guess say upto illigal copying is ok by me however i do not want someone to get a copy of pctools and copy my software off course i never meant to forbid the true hackers from copying since they can develope a better program anyway with highest regards babak sehari
