[messaging] How secure is TextSecure?
Taylor R Campbell
campbell+moderncrypto at mumble.net
Thu Nov 6 07:42:21 PST 2014
Date: Thu, 6 Nov 2014 15:39:02 +0000
From: Taylor R Campbell <campbell+moderncrypto at mumble.net>
Date: Thu, 6 Nov 2014 07:02:37 -0800
From: Trevor Perrin <trevp at trevp.net>
We can add crypto, but in any system where Bob presents his contact
and authentication info to Alice there's going to be this risk.
Before Alice texts `I love you!' to the number/key she just received,
she texts `Is this Bob?'.
Ahem, that should be `Charlie', to match Trevor's scenario, unless
Alice has preemptively guessed that her prankster roommate Bob is
playing yet another joke on her.
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