More AVX2 Crypto Optimizations For Linux 3.11

[phoronix]

Phoronix: More AVX2 Crypto Optimizations For Linux 3.11

Recent Linux kernel releases have seen a number of crypto performance optimizations for this kernel subsystem by taking advantage of newer CPU instruction set extensions for accelerating various cryptographic workloads. This theme has continued for Linux 3.11...

http://www.phoronix.com/vr.php?view=MTQwNDE

[darkbasic]

"defunct Blowfish and Twofish AVX2 implementations have been dropped"

WTF? Why? How can an AVX2 chiper be "defunct"?

[Ericg]

"defunct Blowfish and Twofish AVX2 implementations have been dropped"

WTF? Why? How can an AVX2 chiper be "defunct"?

Well according to the blowfish wikipedia page, blowfish was broken in some cases and has been officially depreciated anyway. Twofish still hasn't been broken yet though. So that at least explains Blowfish being dropped.

[smitty3268]

Optiomizations? That sounds like a cool word.

[updatelee]

"defunct Blowfish and Twofish AVX2 implementations have been dropped"

WTF? Why? How can an AVX2 chiper be "defunct"?

https://www.google.ca/url?sa=t&source=web&cd=4&cad=rja&ved=0CDQQFjAD&url=http%3A%2F%2Fpermalink.gmane.org%2Fgmane.linux.kernel.commits.head%2F386509&ei=8oDXUfWiM-G9yAGd9IDABA&usg=AFQjCNEHClUyyVZe7ssqpCc28Czk_oyiqQ&sig2=iT9pliZg1hhQJkrBwWOYsQ&bvm=bv.48705608,d.aWc

Looks like the implementation was slower then the original

UDL

[Marc Driftmeyer]

Well according to the blowfish wikipedia page, blowfish was broken in some cases and has been officially depreciated anyway. Twofish still hasn't been broken yet though. So that at least explains Blowfish being dropped.

It's financially lost value?

The term, fwiw, is deprecated, not depreciated.