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From: Stefan Richter <richter@cs.rwth-aachen.de>
To: Eric Voskuil <eric@voskuil.org>, gb <kiwigb@yahoo.com>,
	 Thomas Voegtlin <thomasv@electrum.org>
Cc: bitcoin-dev@lists.linuxfoundation.org
Subject: Re: [bitcoin-dev] Making Electrum more anonymous
Date: Thu, 23 Jul 2015 12:23:35 +0000	[thread overview]
Message-ID: <CAH+=Z+Xt4mja348Rg5Ot0u1VeCnVxm0wkVUA3GVgryZ4Yp4QNw@mail.gmail.com> (raw)
In-Reply-To: <114b2a76-ebc7-461a-b4bc-10873574d6c4@HUB2.rwth-ad.de>

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This looks like a prime application for this PIR library:
http://percy.sourceforge.net/apidocs/index.html

Eric Voskuil via bitcoin-dev <bitcoin-dev@lists.linuxfoundation.org>
schrieb am Do., 23. Juli 2015 um 02:07 Uhr:

> This is a good point. I didn't delve into the specifics of
> implementation due to the larger issues that I raised. Libbitcoin Server
> uses CurveZMQ, an implementation of CurveCP.
>
> http://curvecp.org
> http://curvezmq.org
> https://en.bitcoin.it/wiki/Libbitcoin_Server
>
> e
>
> On 07/22/2015 04:11 PM, gb via bitcoin-dev wrote:
> > Why RSA?
> >
> >>
> >> Here is an idea, inspired by TOR, on which I would like to have some
> >> feedback: We create an anonymous routing layer between Electrum servers
> >> and clients.
> >>
> >> * Each server S publishes a RSA public key, KS
> >> * Each client receives a list of available servers and their pubkeys
> >> * For each wallet address, addr_i, a client chooses a server S_i, and a
> >> RSA keypair (K_addr_i, k_addr_i)
> >> * The client creates a list of encrypted requests. Each request contains
> >> addr_i and K_addr_i, and is encrypted with the pubkey KS_i of S_i
> >> * The client chooses a main server M, and sends the list of encrypted
> >> requests to M
> >> * M dispatches the client's requests to the corresponding servers S_i
> >> (without the client's IP address.)
> >> * Each server decrypts the requests it receives, performs the request,
> >> and encrypts the result with K_addr_i
> >> * M receives encrypted responses, and forwards them to the client.
> >> * The client decrypts the encrypted response with k_addr_i
>
> _______________________________________________
> bitcoin-dev mailing list
> bitcoin-dev@lists.linuxfoundation.org
> https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev
>

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  parent reply	other threads:[~2015-07-23 12:23 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-07-22 15:51 [bitcoin-dev] Making Electrum more anonymous Thomas Voegtlin
2015-07-22 16:04 ` Natanael
2015-07-22 16:30 ` Eric Voskuil
2015-07-22 22:20   ` Eric Voskuil
2015-07-22 23:07     ` Joseph Gleason ⑈
2015-07-22 16:41 ` Joseph Gleason ⑈
2015-07-22 21:18   ` Mike Hearn
2015-07-22 23:11 ` gb
2015-07-23  0:07   ` Eric Voskuil
     [not found]   ` <114b2a76-ebc7-461a-b4bc-10873574d6c4@HUB2.rwth-ad.de>
2015-07-23 12:23     ` Stefan Richter [this message]
2015-07-24  2:26       ` Eric Voskuil
2015-07-24  3:42         ` Slurms MacKenzie
2015-07-24  4:44           ` Eric Voskuil
2015-07-24  9:38             ` Slurms MacKenzie
2015-07-24 11:12 ` s7r
2015-07-24 21:20   ` Slurms MacKenzie

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