[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: DES & RC4-48 Challenges
|Not having my copy of The Differential Cryptanalysis of the Data
|Encryption Standard handy, I'd like to know about the distributability
|of this type of DES attack. Done right, we could significantly reduce
|the time complexity.
| The main problem, of course, would be coordinating such an effort. I
|seem to recall this attack requiring lots of known plaintexts. Time
|to review the text, I suppose....
| Does the Federal Reserve still use single-key DES?
The forms of differential cryptanalysis that I'm aware of require The
cracker to adaptively atack the encrypting or decrypting device. I
therefore do not believe that they are especially applicable to
financial transactions schemes, most of which change keys quite