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    hj hj Presentation Transcript

    • By Tomas Mujica and Sebastian Morales
    • what is skype Skype is a telegraph program to talk from computer 2 computer and from computer to telephone.
    • what is 4 Skype is program instald in your pc to talk with people for free. people can send you pages and you can find new friend. in Skype you can have video calls.
    • history Skype is software for making calls over the Internet, founded in 2003 by Swede Niklas Zennstrom and Dane Janus Friis, creators of Kazaa. The code and protocol of Skype are closed and proprietary, but interested users can download a free application from the official site. Skype users can talk to them for free.
    • Extras Security : Skype uses AES 256-bit A to encrypt voice, file transfer or an instant message. For the paid version algorithm is used 2048-bit RSA for access to voicemail and 1536-bit for negotiation when the connection. It uses a key asymmetric attacks thus avoiding man-in-the-middle.
    • Fuente http://es.wikipedia.org/wiki/Skype Skype program
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