On Wed, Dec 28, 2016 at 11:17 AM, Joachim Strömbergson <joac...@secworks.se> wrote:
> -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA256 > > Aloha! > > I've just merged a cleaned up version of the chacha core to Cryptech. > The API has not changed (besides bumping version minor from 80 to 81), > but the code is substantially more compact. > > The major behavioral change is that while the core includes four QR > modules, the way they were used they really didn't work in parallel > which meant that performance was much lower that what it should be. For > Cryptech this means that random number generation (and thus key > generation etc) should see improved performance. > > Implementation wise, the API address logic has been simplified. > Registers for key and data has also been changed syntax wise to use > Verilog two dimensional arrays. All tools (simulators, synthesis/build > tools) I have access to including ISE, ModelSim, Quartus parses this > correctly. > > The _core previously sampled inputs into registers. These registers has > been removed which means that if _core is used without the top, the > caller must ensure that the inputs are stable. > > > - -- > Med vänlig hälsning, Yours > > Joachim Strömbergson - Alltid i harmonisk svängning. > ======================================================================== > Joachim Strömbergson Secworks AB joac...@secworks.se > ======================================================================== > -----BEGIN PGP SIGNATURE----- > Comment: GPGTools - http://gpgtools.org > Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ > > iQIcBAEBCAAGBQJYY5E/AAoJEF3cfFQkIuyNnhQP/R7jhBDTk7k6D6MEhRQofT7I > VfkxOkFlHflYkS8UwCaFnZsJ891RaMPD3Wp/L56C2Q9lAudDxF0czDjS1e5fF+hG > BRSELu1P/BjNErnFyEwvlkjXVwmmScS7VOjlUhWj1B/NQQ+IzqeS+uFM4YJjR1sX > JJnp1FgxTxQtZxVnHmpIWTjZzlAyeLGlYfOL41l9syJRW17Vaoo1bFC1NZ74CUz7 > W8xu4qIcT9yZNQthecaMJ1dlpy4q+4c9oXss+i93KVTTR7MDZNSB9yQ51HxSuppY > T14nAZRTj5ICEoOjM76Cy9MCzeiOa7oQaRbbAI4SoodK5Ec5sgwc56vjYRD30w6s > YL191KvzH/3+D7SM5ig7rnzG9B2f5O5SoZ2T0xHlOR+fIcPxK10CsGn+SAzIpVlp > 92j72YUoQ4AptlixO70AIt1OFSyr75Bd36AkSoB/6ASCKwEC3oIWQ4FlTuu0jSjC > AH9uksYxKXHYdiPgDNCMd2GbQOXjHdj7ksqP5oJpcs74W0RwyTusL+oBvDAUq7kS > +FJJiNi6GBAdhbdC4giOQEjyVbm+LJObMYTAULtshrPgHNWK31zAId7udeCqqlxd > HxNO2hwO6hIz2aYKmDVBr9dvFrvZYHbkAuerPdYSXw5tLotY7TbX03IKHxObdBEO > vIE+u90PJoBYoaXdIXH1 > =VXb3 > -----END PGP SIGNATURE----- > _______________________________________________ > Tech mailing list > Tech@cryptech.is > https://lists.cryptech.is/listinfo/tech > Is the copyright year for chacha_core.v supposed to change from 2014 to 2011? //Olof
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