On 9 Mar 2010, at 00:10, James R. Van Artsdalen wrote: > Norikatsu Shigemura wrote: >> According to http://en.wikipedia.org/wiki/AES-NI , we can get >> specification document: http://software.intel.com/file/20457 . >> >> I saw it, and consider that we can release under BSDL. Because >> of 'from specification'. > > That document is short on details, such as the opcodes and machine > implementation details (flags, etc). > > The XMM registers are used. That may be a problem for kernel code. > > When last I looked openssl did not use /dev/crypt - it's not clear how > big the benefit would be from doing this if nothing that uses openssl wins. > > It might be more beneficial to FreeBSD to patch openssl to use > /dev/crypt. If it turns out to not be a significant win then that might > hint that the AES opcodes won't be significant win in general either. The in-kernel kerberos code for NFS would also benefit since it uses the crypto framework.Received on Tue Mar 09 2010 - 08:07:55 UTC
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