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Skype Goes After Reverse-Engineering

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  • Skype Goes After Reverse-Engineering

    Phoronix: Skype Goes After Reverse-Engineering

    While Skype has now expanded their Linux API support to allow other applications to take advantage of Skype video calls and other features, a few months ago the Skype protocol began to be reverse-engineered by an independent researcher. Skype took action several times against this work...

    http://www.phoronix.com/vr.php?view=MTAwNzI

  • #2
    I don't see a point in that 'high priority project', I can do audio and video calls over XMPP using empathy (it has no-configuration NAT traversal, ICE I think) in less time than it takes to think of skype.

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    • #3
      Originally posted by Gimzo View Post
      I don't see a point in that 'high priority project', I can do audio and video calls over XMPP using empathy (it has no-configuration NAT traversal, ICE I think) in less time than it takes to think of skype.
      the main problem is that xmpp -even with the backing of big G- isn't as popular as Skype -everyone knows Skype

      and there are some interoperability problems ie it is not seamless to get google chat video to jabber (at least it was the last time i checked)

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      • #4
        This person hasn't just reverse-engineerd, this person has deobfuscated code from Skype itself. IMO it is justified that Skype takes action against this.

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        • #5
          Originally posted by AlbertP View Post
          This person hasn't just reverse-engineerd, this person has deobfuscated code from Skype itself. IMO it is justified that Skype takes action against this.
          no, it didn't.
          last time i checked federal laws were superseding licenses and EULAs, at least in my country. and, in my country, these laws say that you can reverse-engineer the shit out of it any way you want if you doing it for personal benefit or for bettering interoperability with your own shit which you don't profit directly from.

          i guess even with USA it is the same since those assholes gone for "fighting malicious application" excuse.

          Originally posted by 89c51 View Post
          and there are some interoperability problems ie it is not seamless to get google chat video to jabber (at least it was the last time i checked)
          these "interoperability problems" called 'breaking the protocol". thank Google for taking it and going all Embrace, Extend and Extinguish on its ass.

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          • #6
            Indeed, it is allowed to reverse-engineer. But it is not allowed to disassemble or deobfuscate code that is copyrighted by Skype.

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            • #7
              In EU it's legal:

              Originally posted by Wikipedia
              In Europe, the 1991 Software Directive explicitly provides for a right to decompile in order to achieve interoperability

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              • #8
                Originally posted by dfx. View Post
                these "interoperability problems" called 'breaking the protocol". thank Google for taking it and going all Embrace, Extend and Extinguish on its ass.
                i have no idea where it started or why -or other technicalities behind it- but the problem must be fixed ASAP

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                • #9
                  Originally posted by curaga View Post
                  In EU it's legal:
                  As it is in Canada as well.

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                  • #10
                    As it is in the free world in general.

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                    • #11
                      Originally posted by 89c51 View Post
                      i have no idea where it started or why -or other technicalities behind it- but the problem must be fixed ASAP
                      the real "fix" would be for Google to drop their incompatible modification of XMPP and to use real XMPP. but they don't seem to be too keen to do so.
                      so, XMPP clients are bound to implement workarounds for it.

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                      • #12
                        There's a difference between legality of reverse engineering for your own needs (allowed in a number of jurisdictions) and publishing the results of that reverse engineering (don't think I have seen this allowed anywhere but haven't had time to really look into it).

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                        • #13
                          In a networked world, my own needs require publishing of the results. So either those laws are wide enough to include that, or useless.

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                          • #14
                            Originally posted by bridgman View Post
                            There's a difference between legality of reverse engineering for your own needs (allowed in a number of jurisdictions) and publishing the results of that reverse engineering (don't think I have seen this allowed anywhere but haven't had time to really look into it).
                            in germany reverse engineering is legal if you want to make something compatible to a different computer system.
                            you also can crack windows software to make it compatible to linux in germany.

                            in my point if view its only against the law in the "USA"

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                            • #15
                              Instead of hiring lawyers and shit, skype should:
                              1. Let this guy continue his work
                              2. Use this guys work to have MORE skype clients on more platforms
                              3. Profit MORE

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