Re: AMD Geode LX Security Block (was Re: NetBSD on the Soekris net5501 status report)
Pawel Jakub Dawidek <[email protected]>
| Newsgroups | gmane.os.netbsd.current,gmane.os.netbsd.devel.crypto |
|---|---|
| Message-ID | <[email protected]> |
On Mon, Jun 18, 2007 at 07:49:43AM -0400, Jared D. McNeill wrote: > On 16-Jun-07, at 2:02 PM, Jared D. McNeill wrote: > >FYI, I imported the glxsb(4) driver from OpenBSD for crypto assist and random number generation. > > [For those of you just joining us, glxsb(4) is an AES/RNG security block found in the AMD Geode LX family of processors] > > Here's some performance numbers from openssl speed -evp aes-128-cbc, the first using sw crypto, the second using glxsb(4): > > The 'numbers' are in 1000s of bytes per second processed. > type 16 bytes 64 bytes 256 bytes 1024 bytes 8192 bytes > aes-128-cbc 3712.69k 4057.03k 4176.33k 4206.79k 4212.15k > aes-128-cbc 6680.49k 40836.42k 109531.96k 421803.47k 15572756.43k I'd suggest correctness verification. ~15GB/s seems to be waaaay too fast:) -- Pawel Jakub Dawidek http://www.wheel.pl [email protected] http://www.FreeBSD.org FreeBSD committer Am I Evil? Yes, I Am!
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