Re: DES doubts. why we use 56 bit key when ony 48 bits are used?
- From: fermisoft@xxxxxxxxx
- Date: 29 Dec 2005 02:22:36 -0800
One more doubt. Why the first and last permutations in a round are
susceptible to the attack? In most of the DES crypto analysis, they
are simply ignoring the first and last permutations. Why is this?
.
- Follow-Ups:
- Re: DES doubts. why we use 56 bit key when ony 48 bits are used?
- From: tomstdenis
- Re: DES doubts. why we use 56 bit key when ony 48 bits are used?
- References:
- DES doubts. why we use 56 bit key when ony 48 bits are used?
- From: fermisoft
- Re: DES doubts. why we use 56 bit key when ony 48 bits are used?
- From: tomstdenis
- Re: DES doubts. why we use 56 bit key when ony 48 bits are used?
- From: fermisoft
- DES doubts. why we use 56 bit key when ony 48 bits are used?
- Prev by Date: Password length and bit number of encryption algorithm?
- Next by Date: Re: Password length and bit number of encryption algorithm?
- Previous by thread: Re: DES doubts. why we use 56 bit key when ony 48 bits are used?
- Next by thread: Re: DES doubts. why we use 56 bit key when ony 48 bits are used?
- Index(es):
Relevant Pages
|