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Titkosítási módszerek, eljárások

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Robert Papp

on 21 January 2016

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Transcript of Titkosítási módszerek, eljárások

Titkosítási módszerek
Titkosítási módszerekkel, egy egyszerű célt szeretnénk elérni, az adatainkat védeni.
Szimmetrikus
titkosítás
A kulcsot mindkét fél tudja, és ezzel titkosítják el az ünetet.
Ezzel titkosítják, és dekódolják az üzeneteket.
Típusok
Stream cipher(not so modern)

Block cipher (DES,AES)

http://www.theamazingking.com/images/crypto-basics-3.jpg
Történelem
Khnumhotep
(Kr. e. 1900, üzenetelrejtés)
Hérodotosz
(fejborotválás)
Olasz, kínai módszer.

https://securityblog.redhat.com/wp-content/uploads/2013/07/caeser-cipher.png

Módszerek
Ceaser módszer (3 shiftelés)
Titkosítási módszerek, eljárások
Asszimetrikus azonosítás
publikus kulcs + privát kulcs

http://www.howtogeek.com/wp-content/uploads/2010/11/asymmetric_encryption_diagram.png

Full transcript

<p id="block_embed_dimensions" class="clearfix"><label for="embed-width" id="lb_embed_with">
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