Re: [tahoe-dev] SHA-1 broken! (was: Request for hash-dependency in Tahoe security.)

2009-05-01 Thread Ray Dillinger
On Thu, 2009-04-30 at 13:56 +0200, Eugen Leitl wrote: http://eurocrypt2009rump.cr.yp.to/837a0a8086fa6ca714249409ddfae43d.pdf Wow! These slides say that they discovered a way to find collisions in SHA-1 at a cost of only 2^52 computations. If this turns out to be right (and the authors

[tahoe-dev] SHA-1 broken! (was: Request for hash-dependency in Tahoe security.)

2009-04-30 Thread Eugen Leitl
From: Zooko O'Whielacronx zo...@zooko.com Subject: [tahoe-dev] SHA-1 broken! (was: Request for hash-dependency in Tahoe security.) To: nejuc...@gmail.com, tahoe-...@allmydata.org Date: Wed, 29 Apr 2009 15:59:05 -0600 Reply-To: tahoe-...@allmydata.org On Apr 29, 2009, at 11:51 AM, Nathan