The source code was leaked before the end of the month. Retrieved 5 December They also argued that it is legal under Norwegian law to make copies of such data for personal use. As a response to these threats a program also called DeCSS but with an unrelated function was developed. This file is the only film fragment Jon Lech Johansen has saved on his computer. Views Read Edit View history. Archived from the original on 2 December

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Jon Lech Johansen – Wikipedia

The Internet and society: You can help by converting this section to prose, if appropriate. DeCSS was one of the first free computer programs capable of decrypting content on a commercially produced DVD video disc. The High Court takes for its basis that the program Jon Lech Johansen later programmed, the graphical user interface, consisted of “the nomad’s” decryption algorithm dd Derek Fawcus’ authentication package.

He then moved to Norway but moved back to the United States in June This being the xecss of the district court, two further levels of appeals were available to the prosecutors, to the appeals court and then to the Supreme Court.


On November 25, he released a proof ddvd concept program that allows Linux users via VLC to play video encoded with Microsoft’s proprietary WMV9 codec, by porting the reference version of the software.


From Wikipedia, the free encyclopedia. Open Handbrake and choose your DVD drive from the sidebar that appears. DeCSS was devised by three people, two of whom remain anonymous. He only developed the GUI component of the software.

Jon Lech Johansen

The significance of the modification was exaggerated by the online media. Bunner followed soon after, in January By using this site, you agree to the Terms of Use and Privacy Policy. Retrieved from ” https: If you used the default installation settings, this should be in C: Homebrew will download and install the libdvdcss library. vecss

Editing help is available. This page was last edited on 12 April decsss, at They also argued that it is legal under Norwegian law to make copies of such data for personal use.

Views Read Edit View history. The program was published on the Internet for the first time 6 Octoberafter Jon Lech Johansen had tested it on the movie “The Matrix.

Programmers around the world created hundreds of programs equivalent to DeCSS, some merely to demonstrate the trivial ease with which the system could be bypassed, and others to add DVD support to open source movie players.

Johansen is a self-trained software engineerwho quit high school during his first year to spend more time with the DeCSS case. In a conversation [between Jon Lech Johansen and “mdx”] 22 September, “mdx” informs that “the nomad” had found the code for CSS decryption, and that “mdx” now would send this [code] to Jon Lech Johansen.


In protest against legislation that prohibits publication of copy protection circumvention code in countries that implement the WIPO Copyright Treaty such as the United States ‘ Digital Millennium Copyright Actsome have devised clever ways of distributing descriptions of the DeCSS algorithm, such as through steganographythrough various Internet protocols, on T-shirts and in dramatic readings, as MIDI files, as a haiku poem DeCSS haiku[8] [9] and even as a so-called illegal prime number.

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In SeptemberJohansen announced the release of SharpMusique 1. Retrieved 25 February Further, it appears that “the creators [of DeCSS] have taken [Derek Fawcus’ code] almost verbatim – the only alteration was the removal of [Derek Fawcus’] copyright header and a paragraph containing commentaries, and deces change of the function names.

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The trial opened in the Oslo District Court on 9 December with Johansen pleading not guilty to charges that had a maximum penalty of two years in prison or large fines. This section is in a list format that may be better presented using prose. Retrieved 31 July Retrieved December 20, Johansen had also made a decoder available. Handbrake will take a moment to scan the titles on your DVD.