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From: Johnathan Corgan <johnathan@corganlabs•com>
To: bitcoingrant@gmx•com, bitcoin-development@lists•sourceforge.net
Subject: Re: [Bitcoin-development] Message Signing based authentication
Date: Sat, 02 Nov 2013 14:14:22 -0700	[thread overview]
Message-ID: <52756B2E.7030505@corganlabs.com> (raw)
In-Reply-To: <20131102050144.5850@gmx.com>


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On 11/01/2013 10:01 PM, bitcoingrant@gmx•com wrote:

> Server provides a token for the client to sign.

Anyone else concerned about signing an arbitrary string?  Could be a
hash of $EVIL_DOCUMENT, no?  I'd want to XOR the string with my own
randomly generated nonce, sign that, then pass the nonce and the
signature back to the server for verification.

-- 
Johnathan Corgan, Corgan Labs
SDR Training and Development Services
http://corganlabs.com

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email;internet:johnathan@corganlabs•com
title:Managing Partner
tel;work:+1 408 463 6614
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url:http://corganlabs.com
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  parent reply	other threads:[~2013-11-02 21:41 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-11-02  5:01 bitcoingrant
2013-11-02  5:54 ` Luke-Jr
2013-11-02 13:02 ` Mike Hearn
2013-11-02 13:16   ` Melvin Carvalho
2013-11-02 13:19   ` Hannu Kotipalo
2013-11-02 16:26     ` Mike Hearn
2013-11-02 16:26       ` Mike Hearn
2013-11-02 16:52       ` Melvin Carvalho
2013-11-02 17:08         ` Jeff Garzik
2013-11-02 17:16           ` Hannu Kotipalo
2013-11-02 21:14 ` Johnathan Corgan [this message]
2013-11-02 21:51   ` Mark Friedenbach
2013-11-03  0:29     ` Allen Piscitello
2013-11-03  0:33       ` Luke-Jr
2013-11-03  1:19         ` Allen Piscitello
2013-11-03  1:27           ` Luke-Jr
2013-11-03  1:36             ` Allen Piscitello
2013-11-03  6:23   ` Timo Hanke
2013-11-06  3:38   ` Melvin Carvalho
2013-11-02 21:57 ` slush
2013-11-06  3:01   ` Melvin Carvalho
2013-11-06  6:41     ` slush
2013-12-06 10:44       ` Melvin Carvalho

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