Search Results
Post Author Forum Replies Views Posted [asc]
    Thread: Truecrypt
Post: RE: Truecrypt

Rolf, we're need only 512 bytes from TrueCrypt volume to start attack. For standard volumes that's 512 bytes from very beginning, so no problem at all to extract everything needed. gat3way_, when u...
IvanG Feature Requests 9 32,544 04-11-2012, 12:20 PM
    Thread: [split] BFI_INT from OpenCL
Post: RE: AMD Stream 2.3 SDK released

atom Wrote: (12-15-2010, 07:33 PM) -- i did not use clc. i use the GPU_DUMP_DEVICE_KERNEL environment variable. if defined it dumps the .il and the .isa when its execing a opencl kernel. -- clc or Op...
IvanG User Contributions 9 30,618 12-15-2010, 08:24 PM
    Thread: [split] BFI_INT from OpenCL
Post: RE: AMD Stream 2.3 SDK released

atom Wrote: (12-15-2010, 09:09 AM) -- well i tried it with a simple opencl kernel where i put in the bitselect() but in the resulting .isa code there is no BFI_INT so i guess its not using it. -- c...
IvanG User Contributions 9 30,618 12-15-2010, 05:48 PM
    Thread: MD5 speed improvement ideas
Post: RE: MD5 speed improvement ideas

Dalibor, ATI CAL compiler wasn't smart enough to use BFI_INT, mainly because this instruction presents only at ISA level while lowest level available to programmer is IL. With hacks it was possible to...
IvanG User Contributions 20 66,589 12-14-2010, 06:55 PM
    Thread: AMD Stream 2.3 SDK released
Post: RE: AMD Stream 2.3 SDK released

atom Wrote: (12-14-2010, 04:52 PM) -- I am still undecided, but I have seriously considered terminating development of oclHashcat. -- I know these feelings, writing code for ATI GPUs is a totally ann...
IvanG General Help 12 37,748 12-14-2010, 06:50 PM
    Thread: MD5 speed improvement ideas
Post: RE: MD5 speed improvement ideas

Dalibor Wrote: (10-17-2010, 04:19 PM) -- There is MAD instruction (page 51) which performs multiplication and addition, so you can improve the bit rotation operation. -- Unfortunately this won't work...
IvanG User Contributions 20 66,589 10-17-2010, 08:12 PM