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Re: [LUG] signal messaging app

To: list@xxxxxxxxxxxxx
Subject: Re: [LUG] signal messaging app
From: Adrian Midgley via list <list@xxxxxxxxxxxxx>
Date: Mon, 06 Feb 2017 16:45:46 +0000
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On Mon, 6 Feb 2017 at 13:01 Simon Waters <simon@xxxxxxxxxxxxxx> wrote:

> On 5 Feb 2017, at 18:35, Adrian Midgley via list <list@xxxxxxxxxxxxx> wrote:
>
> Potentially interesting.
> I think I'd like to see an asymmetric key/PGP thing, or even a OTP-based system.

Signal Protocol goes way beyond PGPs default security offering with Forward Secrecy and much more.

Goodoh.

One of those cases where the crypto is way stronger than the environment in which it exists. Tramps living on park benches exchanging messages by armoured cars is the favoured analogy I believe.

Unbreakable iron boxes is a crypto trope.

using something weak in one place because other bits are weak isn't obviously correct.Â If one uses the strongest components for some places, then attacks get concentrated where you should expect them, and/or you can strengthen each other piece in turn or eventually.

A Midgley

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References:
- [LUG] signal messaging app
  - From: Tom via list
- Re: [LUG] signal messaging app
  - From: Adrian Midgley via list
- Re: [LUG] signal messaging app
  - From: Simon Waters via list

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