Re: RC4 on AMD64
Date: Sun, 07 Nov 2004 08:02:40 +0000
Tom St Denis wrote:
>I'm trying to downplay the "gee-whiz" factor of "oh I have
>an insecure REALLY REALLY REALLY fast" cipher.
As far as I can tell, you have yet to establish that RC4 is
insecure. There are pitfalls that the designer has to know
about and avoid, but I haven't seen anyone demonstrate the
ability to decrypt RC$-encrypted ciphertexts.
- Re: About VMPC
... recovering the internal state of RC4 by [Knudsen, Meier, Preneel, ... VMPC one-way function, for example if we assume that s is the argument ... in case any weakness was found in the cipher in the future. ... over RC4 but they also said that RC4A would still fail the Golic's ...
- Re: rotor alternative?
... your cipher is doing, ... you encrypt the same plaintext twice with the same key, ... Being loosely inspired by RC4 is unreassuring on several grounds. ... WEP with a very limited amount of captured traffic. ...
- Re: Securing ARC4
... whole-file level. ... RC4 has biases that exhibit themselves at around the gigabyte level. ... Your modification isn't RC4 based - it's a new cipher. ... Security costs CPU cycles - why do you think encryption takes time? ...
- Re: A variation of RC4
... >than the original cipher is generally a big problem when trying to ... >win acceptance for it. ... We do it because RC4 is the simplest and most hackable ... >AES and your in a whole world of pain. ...
- Re: Tiny, simple solution for microcontroller flash loader?
... RC4 on the same device. ... If you have a good cipher, ... CRCs are linear, so you can make any change you want to the ... I realize you were talking about a secret shuffle. ...