From: Ozgul Kucuk (ozgulkucuk@crypto.gen.tr)
Date: Thu 17 Feb 2005 - 17:44:20 EET
Burada yazdigina gore SHA-1 uzerindeki saldiri ancak algoritma uzerinde
(normalde olmasi gereken) bir `padding` (koruyucu islemler ? )
yapilmadigi takdirde mumkun.
http://www.financialcryptography.com/mt/archives/000355.html
ozgul
Mehmet Uluer wrote:
>On Wed, 2005-02-16 at 21:53 +0200, a.kadir altan wrote:
>
>
>>anlasildigi kadariyla bir acik yok ortada. sadece beklenenden daha erken (2^69) bir cakismaya rastlanmis, normalde 2^80 de olmasi beklenirken...
>>
>>
>>
>"That's 2**11 less operations. Let's say breaking this (2**69 ops) takes
>the NSA a week. If it had been 2**80, it would have taken 2048 weeks, or
>39 years. If it would have taken the NSA (or whomever) a year to break
>SHA-1 before, it could be broken in 4 hours."
>kaynak: http://www.schneier.com/blog/archives/2005/02/sha1_broken.html
>
>Mehmet Uluer
>
>
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