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On Thursday 13 December 2001 14:59, Newsmail wrote:
> thx Marc, and Robert for your answers, could you tell me what the
> block size means?
Block ciphers do encryption and decryption on blocks of bit (hence the
name). blowfish operates on 64bit-blocks, All AES candidates operate on
128bit blocks.
> what is the difference between aes128 and aes256
> for exemple, is it related to the 'deepness' of encryption?
Here, 128/256 is the key length. You won't need 256, stay with 128.
> btw I have more than 3 gig to encrypt, if I encrypt than I encrypt
> everything :), so blowfish doesnt support more than 3 gigs lets say,
Well, blowfish happily encrypts arbitary volumes of data, but you have
to limit the amount of data encrypted under a single key becuase else
you can make it easier for attackers.
Consider partitioning your data in 2G chunks. Then encrypt each
partition with another key. Voila - you're done.
> so Marc you recommend Serpent?
<snip>
As well as any other of the ones I mentioned.
> ps: if I want to use patch-int-2.4.16.2, do I have to install the hrv
> or jari loop pacthes or these are included in 2.4.16.2?
<snip>
Dunno. Check the archives for announcements.
Marc
- --
"Similia similibus currentur"
-- Bush's new motto in fighting terrorism.
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Linux-crypto: cryptography in and on the Linux system
Archive: http://mail.nl.linux.org/linux-crypto/
