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basicsecurityglossary [2015/05/25 17:55] (current)
yassine chaouche created
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 +\\
 +[[index|Home]] > [[Computers | Computers]] > [[Security | Security]] > [[BasicSecurityGlossary|BasicSecurityGlossary]]| [[About]]
 +
 +==== User Authentication ====
 +
 +== What is it ? ==
 +
 +Making sure that the person who says I'm John is really John himself, not someone pretending to be John. If John also makes sure that the computer it tries to connect to is really the computer it tries to connect to, and not some spoofer'​s computer, then we're talking about **mutual authentication**.
 +
 +== How to implement it ? ==
 +
 +Passwords, token devices, public/​private key pairs.
 +
 +==== Data authentication ===
 +
 +It consists of two parts : **data integrity** and **data origin authentication**.
 +
 +=== Data ingegrity ===
 +
 +means that the data you received is strictly identical to the data that was sent to you. It hasn't been modified or tampered with (intentionally or not)
 +
 +== How to implement it ==
 +
 +md5 hashes, signatures
 +
 +=== Data origin authentication ===
 +
 +means that the sender of the message is really the sender of the message, and not someone else claiming to be him.
 +
 +== How to implement it ==
 +
 +??
 +
 +
 +
 +
 +
 +
 +
 +----
 +
 +contact : [[http://​twitter.com/​ychaouche|@ychaouche]] yacinechaouche at yahoocom

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