Why not upload them to Usenet? They have a 2 year retention these days and are a safe place for them to live (without getting taken down by some weird ass government)
On Wed, Jun 16, 2010 at 11:21 AM, Frank A. Stevenson <[email protected]> wrote: > Great progress has been made in computing ATI tables with 100 extra > clockings, we got some unexpected but very welcome help from university > students, and at most there were 8 GPUs on the job. 2x5850 + 2x5870 + > 2x5970 - allowing us to compute almost 2 TB of tables in around 4 weeks > of time. Currently computation has been halted while we evaluate the > coverage, look at better compressions schemes, and focus on more > efficient ways to perform "table lookups" - a euphemism for cracking > A5/1 i.e. recovering keys from cipherstream. > > 39-40 tables have been computed, in what we have dubbed the "Berlin A5/1 > rainbow table set." The Berlin reference I feel is significant, besides > the fact that the ideas to create these tables originated there, it has > also has been a collection point for assembling the tables. Moreover, > Berlin was also a focal point for tensions during the cold war, tensions > that in fact dictated the need for creating A5/1 in the first place. In > some ways A5/1 was intended as a virtual wall erected by the West > towards the East, to safeguard privacy of communication. Fortunately the > physical wall that separated East & West fell even before A5/1 was > fielded in the first GSM networks in 1991. Still A5/1 continued to serve > as a relatively effective protective measure for cellular > communications. But over time, as computers, FPGAs eventually GPUs grew > faster and faster, the once significant defenses of A5/1 started > crumbling, and eventually they offered little or no protection. In > response to the relentless advance of computing power, key-lengths were > increased, but in short order the available arsenal of remedies where > exhausted. Despite numerous claims that GSM encryption was at at the end > of its useful life, the GSMA kept insisting that the security offered by > A5/1 was adequate. Such denials and counterclaims, are obviously > counterproductive and even dangerous. > > I therefore feel privileged to have taken part in this project, where > hackers from both former East & West have worked together on dismantling > the remains of A5/1 - and effectively declared it completely dead and > broken. Our hope is that this will bring about a shift towards proper > security in cellular communications, and not further compromised > solutions like A5/1 was from the outset. > > The tables that constitute the "Berlin A5/1 rainbow table set." given by > their IDs are as follows: > > 100 108 116 124 132 140 148 156 164 172 > 180 188 196 204 212 220 230 238 250 260 > 268 276 284 292 324 332 340 348 356 364 > 372 380 388 396 404 412 420 428 492 500 > > (284 & 492 are optional) > > Due to their size, theses tables are not easily copied over the > Internet, so I have decided to resort to physical transfer in making > copies available to research etc. This I will do by announcing some of > my traveling to the list, and if there are interested receiving parties, > I can bring along tables on hard disk(s) for replication. After some > initial seeding, I believe there will be enough interest for these > tables to make them go viral. In addition, anyone who finds themselves > in Oslo, Norway are welcome to request a copy. > > The first available location to make a copy will be: > * Bucharest, Romania, June 24th - July 5th 2010 > > Other arrangements can also be made, such as swapping preloaded disks > for cash (165EUR @cost) at Schiphol airport. > > regards, > Frank A. Stevenson > > > _______________________________________________ > A51 mailing list > [email protected] > http://lists.lists.reflextor.com/cgi-bin/mailman/listinfo/a51 > _______________________________________________ A51 mailing list [email protected] http://lists.lists.reflextor.com/cgi-bin/mailman/listinfo/a51
