On Friday 12 December 2008 14:01, Daniel Cheng wrote: > >> > >> I just searched a bit for other hardware accelerators a bit and came > >> across the Sun UltraSparc T2 again. > >> > >> If SHA-256 and DSA are the most common tasks within freenet I think that > > We spend 40x more time on Rijndael then on SHA-256. > The time spend on SHA256 is nothing.
That's because we use the JVM's native implementation of SHA-256. > > >> would be the processor of choice for hardware acceleration, although it > >> lacks a RNG or Rijndael of course. > > > > We also do a lot of Rijndael. Some hardware may be able to do Rijndael with a > > 256 bit block size, I dunno exactly what operations the hardware actually > > does. > > They do NIST standard AES. > Our Rijndael use the blocksize not in the standard. They implement the full algorithm and can't be retasked? Ok. > > > However, if you are actually queueing downloads, we also do a lot of FEC > > decoding and encoding. Which can't be hardware accelerated. -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: application/pgp-signature Size: 827 bytes Desc: not available URL: <https://emu.freenetproject.org/pipermail/tech/attachments/20081212/8d5c9c8b/attachment.pgp>
