On Wed, Nov 3, 2010 at 5:31 PM, GrimReaper <[email protected]>wrote:

>
> Now the question I wish to ask are
>
> 1. Why is AES the fastest in comparison to all the three?
>

Look into the history of the AES submission process as to why AES was picked
over Serpent which came in second place, and it becomes clear that AES was
favored because of its speed.

2. Shouldnt DES have taken thrice the time than DES, where as it

takeas around twice the time
>

I think you mean why was 3-DES twice as slow, as DES, but anyway, try with a
bigger file.  Ie, 100+ mb.

3 Also Blowfish is fast cipher , but still takes more time than AES?
>
>
Could be because the key S-box init stuff in Blowfish being slow takes
longer.  As above, try the same test using a much bigger file.

Also if you can highlight anything regarding their comparison it would
> be very helpful. Thanks in advance
> If you can suggest a site/link/books where i can refer to their time
> anlaysis it would be gretaly helpful
>
>
Wikipedia is good enough, but Blowfish is explained a bit in
http://www.amazon.com/Applied-Cryptography-Protocols-Algorithms-Source/dp/0471117099/ref=sr_1_1?ie=UTF8&qid=1288831929&sr=8-1
AES and others are in his newer book,
http://www.amazon.com/Cryptography-Engineering-Principles-Practical-Applications/dp/0470474246/ref=ntt_at_ep_dpt_3



> Other Information
> OS: WIN XP
> COMPILER/IDE Mingw /qt 4.7
> cryptopp version 5.5.2
>
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-- 
smu johnson <[email protected]>

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