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-   -   AES vs RC4 vs TKIP (http://www.linuxquestions.org/questions/linux-security-4/aes-vs-rc4-vs-tkip-343872/)

jspsandhu 07-16-2005 09:18 PM

AES vs RC4 vs TKIP
 
I beleive out of the three (AES RC4 and TKIP) two are same type i.e, AES and RC4 but TKIP is not the same as AES or RC4

1 Can someone explain me the differnce between the three

AES
RC4
TKIP

2 Does AES use RC4 as its cipher algorithm or it itself is a cipher algorithm.


Regards

Jaspreet ;)

Capt_Caveman 07-16-2005 11:41 PM

AES and RC4 are both encyption ciphers. They work differently in that AES is a block cipher while RC4 is a stream cipher. TKIP isn't a cipher like the other 2, but rather a protocol for implementing the RC4 cipher, similar to how WEP is an encryption implementation (that also uses RC4). However TKIP uses RC4 in a different way than WEP does.

For more info on AES and RC4, wikipedia actually has a really good pages. If you want more comprehensive material (as well as extensive introductory material), I would strongly recommend reading Applied Cryptography by Bruce Schneier.

Mara 07-17-2005 03:00 PM

Capt_Caveman answered question 1. Answer to question 2 is also here, but may be not obvious. So, AES doesn't use RC4.

jspsandhu 07-17-2005 04:25 PM

Thanks

That was helpfull

Regards

Jaspreet

MrJoshua 07-19-2005 08:50 AM

Like Capt Caveman said, Wikipedia has some great definitions for almost all methods. I would also recommend that you check out Triple DES too. DES3 is a little slower than AES but also very secure.


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