Any time estimates for SHA-1 or SHA-2 attacks? - Alex
> ----- Original Message ----- > From: [EMAIL PROTECTED] > To: cryptography@metzdowd.com > Subject: Tunnels in Hash Functions: MD5 Collisions in 40 seconds > Date: Sat, 18 Mar 2006 18:05:40 +0100 (CET) > > > Congratulations to Marc Stevens, who described a method for fast > collision attack on MD5! > > Just now (! it is a collision !) I have finished the translation of > my paper Vlastimil Klima: "Tunnels in Hash Functions: MD5 Collisions > Within a Minute". > > It is based on a new method, tunneling. Using it on MD5 it gives a > collision in 40 seconds on a 3 GHz Pentium 4. (Actually I used two > times slower notebook with the time about 80 seconds.) I expect the > publication on eprint also, but I will put in on my web together > with the source code of the program in one or two hours. It is > http://cryptography.hyperlink.cz/MD5_collisions.html > > Vlastimil Klima > http://cryptography.hyperlink.cz/ > > ---------- > Od: "Weger, B.M.M. de" <[EMAIL PROTECTED]> > Komu: cryptography@metzdowd.com > Predmet: MD5 collisions in one minute > Datum: 17.3.2006 - 19:37:20 > > > Hi all, > > > > You might be interested in knowing that my MSc student > > Marc Stevens has found a considerable speedup of MD5 collision > > generation. His improvements of Wang's method > > enables one to make MD5 collisions typically in one > > minute on a PC; sometimes it takes a few minutes, and sometimes > > only a few seconds. > > His paper (shortly to appear on the Cryptology ePrint > > Archive) can be found on http://www.win.tue.nl/hashclash/, > > where we've also made his software available (source code > > and a Win32 executable). > > Grtz, > > Benne de Weger > > > > --------------------------------------------------------------------- > The Cryptography Mailing List > Unsubscribe by sending "unsubscribe cryptography" to [EMAIL PROTECTED] > --------------------------------------------------------------------- The Cryptography Mailing List Unsubscribe by sending "unsubscribe cryptography" to [EMAIL PROTECTED]