Hi, everyone, welcome back to an election.
In this lecture, we are going to talk about encryption, why Wi-Fi uses encryption and why it is important
to use so for data security, Wi-Fi access point encrypted data packets into a cryptographic algorithm
to prevent hacking and other kinds of security breach.
Of some extent, though, each of them have some sort of an ability.
So before exploiting of those vulnerabilities, let us see the encryption types and their policies.
So what kind of encryption we have?
OK, so let me clear that the blue line means wireless local area network that we are going to see later
on.
OK, so now we are having first one WPP, which is wired equivalent privacy.
Then we have WIPA, which is Wi-Fi protected access and the advanced version of this WIPA two, which
is Wi-Fi protected access to.
So all three protocols have their own encryption methods better than the previous one.
So if you talk about WSP, so it uses Oddisee for algorithm, for encryption, for encrypting data packets.
If you talk about WIPA, it uses Beaky IP encryption based on WCP.
Now it's time to see what encryption matter algorithm WPE to use this.
So if you talk about WPRO two, it uses AEF, which is more secure and very difficult to be.
OK, so this is all about we are having encryption, so why there is need to be encrypting your data
packets using some cryptographic algorithm.
So 1997 Wi-Fi Alliance released the first security standard for wireless networks that is WAFB.
But sooner in 2000, one WOUB has broken twice, leading to the password recovery and hacking of the
wireless networks.
Then again in 2002, a security researcher discovered a security flaw in WSP.
So WSP was broken beyond repair at this time.
So this was the time I totally committee said that they need to click patch for WSP.
Since 2003, WIPA, an intermediate solution for WSP, was released.
So WPE was supposed to run on the same hardware supported by WSP.
All what we needed to do is a framework update.
So some key things to be noted down here.
WPE users pecky IP encryption, which wraps up all the WP packets to clean somewhen abilities, discovered
earlier and provide a better security.
So it was basically based on WCP.
So hardware changes were not mandatory for WPA as it was supposed to fix the vulnerability of the router
that had already been served.
So at the same time, no Wi-Fi alliances are start working on Motsyk or protocol wi fi, which was named
as WIPA to so early in September 2004, Wi-Fi Alliance released the more secure version of wireless
security, which is WPA too.
So this is why WPA is two is more secure.
OK, so how WPA was different from WPA.
So there are some basic differences between both of them.
So WPA two uses AEF for Pacard encryption.
It is perhaps more secure.
Encryption made it available and broken at this particular time.
So hardware changes are mandatory for running WPE.
And if you talk about released as a new standard for wireless devices and from 2006 WPA to some sort
of certification is mandatory for all new devices to build the Wi-Fi trademark.
So this is how encryption works.
This is what encryption is and this is what encryption contains inside it.
So this is all for this lecture.
I hope you enjoyed it.
And thank you for watching this lecture.