New mode for AES: "Packet Mode"
in [Cryptography]
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From: Scott Fluhrer on 14 Jan 2010 12:40 "Skybuck Flying" <IntoTheFuture(a)hotmail.com> wrote in message news:2f9f0$4b4bdba8$d53371df$27232(a)cache2.tilbu1.nb.home.nl... > > "Maaartin" <grajcar1(a)seznam.cz> wrote in message > news:6e68d860-0651-4ee8-b2d0-54800de62eca(a)34g2000yqp.googlegroups.com... > On Jan 5, 6:20 pm, "Skybuck Flying" <IntoTheFut...(a)hotmail.com> wrote: > >> That is ofcourse total bullshit... if it's not total bullshit than AES is >> a >> very weak cipher ! ;) > > " > Obviously, you're missing something. The attack is not specific to > AES, it works the same way for any block cipher. > " > > I doubt it... but you welcome to prove it ! ;) :) > If you understood the attack, you would see that not only would it apply to any block cipher, it would also apply even if the attacker had no clue about what block cipher was being used (he only needs to know/guess the block size). -- poncho
From: Skybuck Flying on 14 Jan 2010 17:57 "Scott Fluhrer" <sfluhrer(a)ix.netcom.com> wrote in message news:1263490809.826884(a)sj-nntpcache-3.cisco.com... > > "Skybuck Flying" <IntoTheFuture(a)hotmail.com> wrote in message > news:2f9f0$4b4bdba8$d53371df$27232(a)cache2.tilbu1.nb.home.nl... >> >> "Maaartin" <grajcar1(a)seznam.cz> wrote in message >> news:6e68d860-0651-4ee8-b2d0-54800de62eca(a)34g2000yqp.googlegroups.com... >> On Jan 5, 6:20 pm, "Skybuck Flying" <IntoTheFut...(a)hotmail.com> wrote: >> >>> That is ofcourse total bullshit... if it's not total bullshit than AES >>> is a >>> very weak cipher ! ;) >> >> " >> Obviously, you're missing something. The attack is not specific to >> AES, it works the same way for any block cipher. >> " >> >> I doubt it... but you welcome to prove it ! ;) :) >> > > If you understood the attack, you would see that not only would it apply > to any block cipher, it would also apply even if the attacker had no clue > about what block cipher was being used (he only needs to know/guess the > block size). If it's that simple then surely you or anybody else can supply some pseudo code or god forbid some real code ? ;) Otherwise it shall remain in the land of the fairytales ;) :) Bye, Skybuck.
From: Tom St Denis on 15 Jan 2010 07:45 On Jan 14, 5:57 pm, "Skybuck Flying" <IntoTheFut...(a)hotmail.com> wrote: > "Scott Fluhrer" <sfluh...(a)ix.netcom.com> wrote in message > > news:1263490809.826884(a)sj-nntpcache-3.cisco.com... > > > > > > > "Skybuck Flying" <IntoTheFut...(a)hotmail.com> wrote in message > >news:2f9f0$4b4bdba8$d53371df$27232(a)cache2.tilbu1.nb.home.nl... > > >> "Maaartin" <grajc...(a)seznam.cz> wrote in message > >>news:6e68d860-0651-4ee8-b2d0-54800de62eca(a)34g2000yqp.googlegroups.com.... > >> On Jan 5, 6:20 pm, "Skybuck Flying" <IntoTheFut...(a)hotmail.com> wrote: > > >>> That is ofcourse total bullshit... if it's not total bullshit than AES > >>> is a > >>> very weak cipher ! ;) > > >> " > >> Obviously, you're missing something. The attack is not specific to > >> AES, it works the same way for any block cipher. > >> " > > >> I doubt it... but you welcome to prove it ! ;) :) > > > If you understood the attack, you would see that not only would it apply > > to any block cipher, it would also apply even if the attacker had no clue > > about what block cipher was being used (he only needs to know/guess the > > block size). > > If it's that simple then surely you or anybody else can supply some pseudo > code or god forbid some real code ? ;) > > Otherwise it shall remain in the land of the fairytales ;) :) Work it out yourself? Seriously, Scott doesn't work for you. Tom
From: Skybuck Flying on 16 Jan 2010 03:18 "Tom St Denis" <tom(a)iahu.ca> wrote in message news:540a3338-ed33-4c28-9294-3848d371f391(a)22g2000yqr.googlegroups.com... On Jan 14, 5:57 pm, "Skybuck Flying" <IntoTheFut...(a)hotmail.com> wrote: > "Scott Fluhrer" <sfluh...(a)ix.netcom.com> wrote in message > > news:1263490809.826884(a)sj-nntpcache-3.cisco.com... > > > > > > > "Skybuck Flying" <IntoTheFut...(a)hotmail.com> wrote in message > >news:2f9f0$4b4bdba8$d53371df$27232(a)cache2.tilbu1.nb.home.nl... > > >> "Maaartin" <grajc...(a)seznam.cz> wrote in message > >>news:6e68d860-0651-4ee8-b2d0-54800de62eca(a)34g2000yqp.googlegroups.com... > >> On Jan 5, 6:20 pm, "Skybuck Flying" <IntoTheFut...(a)hotmail.com> wrote: > > >>> That is ofcourse total bullshit... if it's not total bullshit than AES > >>> is a > >>> very weak cipher ! ;) > > >> " > >> Obviously, you're missing something. The attack is not specific to > >> AES, it works the same way for any block cipher. > >> " > > >> I doubt it... but you welcome to prove it ! ;) :) > > > If you understood the attack, you would see that not only would it apply > > to any block cipher, it would also apply even if the attacker had no > > clue > > about what block cipher was being used (he only needs to know/guess the > > block size). > > If it's that simple then surely you or anybody else can supply some pseudo > code or god forbid some real code ? ;) > > Otherwise it shall remain in the land of the fairytales ;) :) " Work it out yourself? Seriously, Scott doesn't work for you. Tom " Well I say: I doesn't work in the first place, so what am I supposed to work out... ? I could test out a "non working idea"... but I rather do it vice versa ! ;) So you or anybody else prove to me that it works... and then I will happily verify that work ! ;) (by programming and testing it myself ;)) Bye, Skybuck.
From: Maaartin on 17 Jan 2010 19:10 On Jan 16, 9:18 am, "Skybuck Flying" <IntoTheFut...(a)hotmail.com> wrote: > "Tom St Denis" <t...(a)iahu.ca> wrote in messagenews:540a3338-ed33-4c28-9294-3848d371f391(a)22g2000yqr.googlegroups.com... > On Jan 14, 5:57 pm, "Skybuck Flying" <IntoTheFut...(a)hotmail.com> > wrote: > > > > > > > "Scott Fluhrer" <sfluh...(a)ix.netcom.com> wrote in message > > >news:1263490809.826884(a)sj-nntpcache-3.cisco.com... > > > > "Skybuck Flying" <IntoTheFut...(a)hotmail.com> wrote in message > > >news:2f9f0$4b4bdba8$d53371df$27232(a)cache2.tilbu1.nb.home.nl... > > > >> "Maaartin" <grajc...(a)seznam.cz> wrote in message > > >>news:6e68d860-0651-4ee8-b2d0-54800de62eca(a)34g2000yqp.googlegroups.com.... > > >> On Jan 5, 6:20 pm, "Skybuck Flying" <IntoTheFut...(a)hotmail.com> wrote: > > > >>> That is ofcourse total bullshit... if it's not total bullshit than AES > > >>> is a > > >>> very weak cipher ! ;) > > > >> " > > >> Obviously, you're missing something. The attack is not specific to > > >> AES, it works the same way for any block cipher. > > >> " > > > >> I doubt it... but you welcome to prove it ! ;) :) > > > > If you understood the attack, you would see that not only would it apply > > > to any block cipher, it would also apply even if the attacker had no > > > clue > > > about what block cipher was being used (he only needs to know/guess the > > > block size). > > > If it's that simple then surely you or anybody else can supply some pseudo > > code or god forbid some real code ? ;) > > > Otherwise it shall remain in the land of the fairytales ;) :) > > " > Work it out yourself? > > Seriously, Scott doesn't work for you. > > Tom > " > > Well I say: I doesn't work in the first place, so what am I supposed to work > out... ? > > I could test out a "non working idea"... but I rather do it vice versa ! ;) > > So you or anybody else prove to me that it works... and then I will happily > verify that work ! ;) (by programming and testing it myself ;)) > > Bye, > Skybuck. But it is you, who wants/should learn something. When Tom St Denis and Joseph Ashwood (I don't remember Scott Fluhrer's postings, so I can't name him here) say it works, you can be pretty sure it does. You should learn to tell people knowing more than you (about crypto) from the others and learn from the former. I don't think they need to work hard to convice you that it works, 'cause there're sure it does (and 'cause they get nothing for it). Actually, even I can see it works. Sure, it doesn't mean you can read TLS/SSL ciphertext like a book, but it definitely is an attack. Try to read it again or try to find an error there.
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