>On 2015-03-24, Damien Miller <d...@cvs.openbsd.org> wrote: > >> CVSROOT: /cvs >> Module name: src >> Changes by: d...@cvs.openbsd.org 2015/03/24 03:17:21 >> >> Modified files: >> usr.bin/ssh : myproposal.h >> >> Log message: >> promote chacha20-poly1...@openssh.com to be the default cipher; >> ok markus > >FWIW, Poly1305 uses _a lot_ of multiplications. I expect it to >perform poorly with SPARC V7 code. > >In fact, UMAC from the previous default of aes128-ctr + >umac-64-...@openssh.com already uses quite a lot of multiplications, >although fewer than Poly1305, and I suspect it underperforms with >SPARC V7. > >People who find scp throughput very slow on sparc may want to >experiment with switching to aes128-ctr plus one of the >hmac-*-e...@openssh.com MACs.
Well, I don't think the world will fall over as a result. Slow machines becoming slower, nothing else new :-)