I'm confused about encryption and SSL

Posted by ChowKiko on Pro Webmasters See other posts from Pro Webmasters or by ChowKiko
Published on 2011-11-12T02:27:14Z Indexed on 2011/11/12 10:15 UTC
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php

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mysql

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ssl

while my friends and I planning to run our own website, we're confused about the encryption where hackers can TAPPING or in social engineering it's WIRE TAPPING, but I don't know how do they call it in Computers today...

Well guys, I just want to know how encryption works with websites if we are using PHP+MYSQL?

Is it ok to use

user login ----> (PHP) encrypt inputted value then (PHP) will decrypt and validate it going to (MySQL)
user login ----> (PHP) encrypt inputted value and decrypt the (MySQL) data if they are similar...

Is it similar if we use $_SESSION without encryption inside PHP going to MySQL?or PHP encryption also helps the manipulation of binaries?..I'm so confused T_T...

In regards to what I stated above, can a hacker hook the data if the server uses $_SESSION? Is $_SESSION safe?... IF THE HACKER CAN HOOK it? is it necessary to use SSL on our website? and why do some Merchandise websites use SSL and likewise facebook also uses SSL?

what is the best suit for you if there is no SSL? encrypting the DATA using PHP going to MySQL or even without encryption while the PHP server uses $_SESSION?...

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