on a data CD-ROM?
(2002/12/09) There are several approaches. An article with a good overview of some popular protection technologies can be found at http://www.tomshardware.com/storage/…617/index.html. Another source is the “CD Protections” articles on http://www.cdmediaworld.com/hardware…tections.shtml. For anyone interested in protecting their own discs: don’t bother. Copy protection, on the whole, does not work. If you have a major application, such as a game or CAD package, you may want to consider one of the commercially licensed schemes listed later, or (heaven forbid) the use of a dongle. In general, though, if the disc can be read, then the contents can be copied. If you don’t want somebody to make a copy of your stuff, then you’d better encrypt it (3-19). A simple and commonly seen technique is to increase the length of several files on the CD so that they appear to be hundreds of megabytes long. This is accomplished by setting the file length in the disc image to be much larger than it rea
There are several approaches. An article with a good overview of some popular protection technologies can be found at http://www.tomshardware.com/storage/02q2/020617/index.html. Another source is the “CD Protections” articles on http://www.cdmediaworld.com/hardware/cdrom/cd_protections.shtml. For anyone interested in protecting their own discs: don’t bother. Copy protection, on the whole, does not work. If you have a major application, such as a game or CAD package, you may want to consider one of the commercially licensed schemes listed later, or (heaven forbid) the use of a dongle. In general, though, if the disc can be read, then the contents can be copied. If you don’t want somebody to make a copy of your stuff, then you’d better encrypt it (3-19). A simple and commonly seen technique is to increase the length of several files on the CD so that they appear to be hundreds of megabytes long.
(2002/12/09) There are several approaches. An article with a good overview of some popular protection technologies can be found at http://www.tomshardware.com/storage/02q2/020617/index.html. Another source is the “CD Protections” articles on http://www.cdmediaworld.com/hardware/cdrom/cd_protections.shtml. For anyone interested in protecting their own discs: don’t bother. Copy protection, on the whole, does not work. If you have a major application, such as a game or CAD package, you may want to consider one of the commercially licensed schemes listed later, or (heaven forbid) the use of a dongle. In general, though, if the disc can be read, then the contents can be copied. If you don’t want somebody to make a copy of your stuff, then you’d better encrypt it (3-19). A simple and commonly seen technique is to increase the length of several files on the CD so that they appear to be hundreds of megabytes long. This is accomplished by setting the file length in the disc image to be much lar
(2002/12/09) There are several approaches. An article with a good overview of some popular protection technologies can be found at [url]http://www.tomshardware.com/storage/02q2/020617/index.html[/url]. Another source is the “CD Protections” articles on [url]http://www.cdmediaworld.com/hardware/cdrom/cd_protections.shtml[/url]. For anyone interested in protecting their own discs: don’t bother. Copy protection, on the whole, does not work. If you have a major application, such as a game or CAD package, you may want to consider one of the commercially licensed schemes listed later, or (heaven forbid) the use of a dongle. In general, though, if the disc can be read, then the contents can be copied. If you don’t want somebody to make a copy of your stuff, then you’d better encrypt it (3-19). A simple and commonly seen technique is to increase the length of several files on the CD so that they appear to be hundreds of megabytes long. This is accomplished by setting the file length in the dis
