Re: [MLS] Fwd: XRD: Scalable Messaging System with Cryptographic Privacy
Richard Barnes <rlb@ipv.sx> Fri, 04 January 2019 18:31 UTC
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From: Richard Barnes <rlb@ipv.sx>
Date: Fri, 04 Jan 2019 13:31:13 -0500
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To: =JeffH <Jeff.Hodges@kingsmountain.com>
Cc: Messaging Layer Security WG <mls@ietf.org>
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Subject: Re: [MLS] Fwd: XRD: Scalable Messaging System with Cryptographic Privacy
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Interesting. Looks more metadata-focused than MLS; curious to see if it might dovetail well. Albert was involved in some pre-BoF MLS discussions. I think he might even be on this list? On Fri, Jan 4, 2019 at 11:04 AM =JeffH <Jeff.Hodges@kingsmountain.com> wrote: > > Of possible interest... > > -------- Forwarded Message -------- > Subject: Tuesday, January 8 -- Albert Kwon: XRD: Scalable Messaging > System with Cryptographic Privacy > Date: Thu, 3 Jan 2019 19:42:20 -0800 > From: Saba Eskandarian <saba@cs.stanford.edu> > To: security-seminar@lists.stanford.edu > > > XRD: Scalable Messaging System with Cryptographic Privacy > > Albert Kwon > > Tuesday, January 8, 2019 > Talk at 4:15pm > Gates 463A > > Abstract: > > Even as end-to-end encrypted communication becomes > more popular, private messaging remains a challenging problem > due to metadata leakages, such as who is communicating > with whom. Most existing systems that hide communication > metadata either (1) do not scale easily, (2) incur > significant overheads, or (3) provide weaker guarantees than > cryptographic privacy, such as differential privacy or heuristic > privacy. > In this talk, I will presents XRD, a metadata private messaging system > that provides cryptographic privacy, while scaling easily to support > more users > by adding more servers. At a high level, XRD uses multiple > mix networks in parallel with several techniques, including a > novel technique to efficiently and privately verify the correctness of > mix network operations. As a result, XRD is more than 10x > faster than prior messaging systems that provide cryptographic privacy. > > Bio: > > Albert Kwon is a sixth year student at MIT working with Srini Devadas. > He is broadly interested in applied cryptography, and likes to design > and implement systems that can enhance users' privacy. > His most recent focus has been on anonymous and private communication > systems. > > _______________________________________________ > MLS mailing list > MLS@ietf.org > https://www.ietf.org/mailman/listinfo/mls >