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Re: draft-ietf-ipsec-ciph-aes-ctr-00.txt



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>>>>> "Alex" == Alex Alten <Alten@attbi.com> writes:
    >> Anyone who *needs* AES-CTR mode, likely needs it because they have
    >> >1Gb/s links they want to secure. As such, I think that they have the
    >> bandwidth not to care.

    Alex> Micahael,

    Alex> Are you implying that AES-CTR on a modern Intel CPU can handle more
    Alex> than 1 Gb/s Ethernet?  Is this because the IV stays in L1 cache?

  I'm not making any claim about hardware or software implementations.
My understanding is that AES-CTR mode is implemented more cheaply
than AES-CBC mode. Whether this is hardware or software is simply a question
of what year it is.

]       ON HUMILITY: to err is human. To moo, bovine.           |  firewalls  [
]   Michael Richardson, Sandelman Software Works, Ottawa, ON    |net architect[
] mcr@sandelman.ottawa.on.ca http://www.sandelman.ottawa.on.ca/ |device driver[
] panic("Just another Debian GNU/Linux using, kernel hacking, security guy"); [
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