[cryptography] Design Strategies for Defending against Backdoors
thierry.moreau at connotech.com
Mon Nov 18 12:58:40 EST 2013
> On 18/11/13 10:27 AM, ianG wrote:
>> In the cryptogram sent over the weekend, Bruce Schneier talks about how
>> to design protocols to stop backdoors. Comments?
> To respond...
>> Design Strategies for Defending against Backdoors
>> Encryption protocols should be designed so as not to leak any
>> random information. Nonces should be considered part of the key or
>> public predictable counters if possible. Again, the goal is to make it
>> harder to subtly leak key bits in this information.
> Right, that I agree with. Packets should be deterministically created
> by the sender, and they should be verifiable by the recipient.
Then you lose the better theoretical foundations of probabilistic
signature schemes ...
- Thierry Moreau
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