Re: [tor-talk] Questions about crypto used in TAP/Ntor

[nasuno <nasunorahl@xxxxxxxxx>]

Sounds like the NSA to me.

On Thu, Oct 30, 2014 at 11:22 AM,
<BM-2cUqBqHFVDHuY34ZcpL3PNgkpLUEEer8ev@xxxxxxxxxxxxx> wrote:
> Dear experts,
>
> Want to clarify some things:
>
> 1. The fignerprint of a Tor relay which is advertised in the direcotry
> data is a SHA1 sum of which key? Sice now a relay has a secret onion key
> and a secret key for Ntor.
>
> 2. The fingerprint (since it's a hash sum of the key) is what strengths
> encryption between relays or clients and relays, kind of like a CA in SSL?
> That is why the directory authorities sign the list of fingereprints - is
> this correct?
>
> 3. How strong is Ntor compared to TAP? As I can see in latest Tor version
> now clients prefer Ntor by default - are there any plans to deprecate TAP
> in teh future?
>
> 4. The fingerprint is a SHA1 hash, as described in the papers. Any plans
> to move in the immediate future to a stronger hash algorithm, like SHA256?
>
>
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