On Sat, 28 Sep 2013, Mansour Moufid wrote:
> XTS-AES must be rekeyed after each terabyte; [[...]]
This reminds me of a question I wanted to ask the more knowledgable
crypto-folk on this list: What is currently known about the security
of AES-XTS mode? Is there a good up-to-date survey paper some
On Wed, 2013-09-25 at 10:11 -0400, John Young wrote:
> [Answer to the question:] "Does there exist an unbreakable cipher"
> would be this, "Every cipher is breakable, given enough traffic, and
> every cipher is unbreakable, if the traffic volume is restricted
> enough."
>
> [End quote]
>
> Is
(AFAIK)
Secure OTP depends on two things:
1. Good source. P[i] must be independent to anything in P nor to the method
to generate P. "Random", you'd typically say. Fully unpredictable might be
more clear (given people's unclarity about what's random).
2. No leak of P
Reuse of P leaks P when the
On Sat, Sep 28, 2013 at 7:36 AM, ianG wrote:
> ...
>>> The key reuse issue isn't related to the choice between time-based and
>>> message-based updates. It's caused by keys and IVs in the current design
>>> being derived deterministically from the shared secret and the sequence
>>> number. If an e
This is simply treasonous. Security clearance voided.
You be squished soon by boot stomper for 1%.
At 07:40 AM 9/28/2013, you wrote:
They should be given something that won't screw up. Which means it
needs to be simple enough such that all the decisions are already made.
In my work, I've evo
On 26/09/13 23:09 PM, Jeffrey Goldberg wrote:
I’m suggesting that when offering advice to application developers on what
sorts of systems to use, we should explicitly consider how easy it is for them
to screw it up and how bad things get when they do.
They should be given something that won
Some thoughts...
On 26/09/13 23:08 PM, zooko wrote:
Let me just mention that this conversation is AWESOME. I only wish the folks
over at Perry's Crypto List (http://www.metzdowd.com/pipermail/cryptography/)
knew that we were having such a great conversation over here.
On Thu, Sep 19, 2013 at 09