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SSLegance



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Trust On First Use. It's a key-exchange method where you trust the first
time you grab a key, and use that, instead of a cert-authority or
anything like that. It's used for SSH iirc, though I could be wrong. The
idea behind it is that unless the MITM performs a MITM the first time
and every time thereafter, you'll at least notice the attack, and likely
prevent it.

I was going to provide a Wikipedia link, but I couldn't seem to find
one, other than this one hidden in a user page.
https://en.wikipedia.org/wiki/User:Dotdotike/Trust_Upon_First_Use

On 07/26/2013 09:06 AM, tz wrote:
> Sorry for being slow, but what is TOFUing?
>
> On Fri, Jul 26, 2013 at 8:27 AM, Andy Isaacson <[email protected]
<mailto:[email protected]>> wrote:
>
>
>     I've run my primary browser with no trusted CAs, manually TOFUing
>     certificates for sites, for months on end.  It's slightly easier than
>     "view source" to use control-shift-K (in Firefox) and reload the page,
>

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