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Re: [perpass] Draft charter for a Transparency Working Group

Ben Laurie <benl@google.com> Thu, 12 December 2013 11:06 UTC

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Date: Thu, 12 Dec 2013 11:06:25 +0000
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From: Ben Laurie <benl@google.com>
To: Douglas Otis <doug.mtview@gmail.com>
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Cc: perpass <perpass@ietf.org>, Phillip Hallam-Baker <hallam@gmail.com>, Dave Crocker <dcrocker@bbiw.net>, "saag@ietf.org" <saag@ietf.org>
Subject: Re: [perpass] Draft charter for a Transparency Working Group
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On 11 December 2013 23:48, Douglas Otis <doug.mtview@gmail.com> wrote:
>
> On Dec 11, 2013, at 1:56 PM, Ben Laurie <benl@google.com> wrote:
>
> Agree, I just want to be able to refer to 6962 for what
> "cryptographically verifiable log" means.
>
>
> Dear Ben,
>
> There was an eXtensible Access Method, XAM, developed by SNIA.  This
> permitted vendors a means to implement strategies for handling massive
> amounts of data in a manner called Content Addressable Storage, such as
> EMC^2's Centera product. The data blobs create multiple secure hashes that
> act within a standardized label. The blobs are combined with timestamps and
> XML MIME tags. This removes a need for difficult to manage file hierarchy.
> One of the benefits of this scheme is data can not change without detection.

A brief romp through the spec suggests that XUIDs could be hashes, but
don't have to be. In particular, identical XSets do not have to have
identical XUIDs.

In the case where they are hashes (or are otherwise one-to-one linked
to XSets), then a transparent log might well be usefully applied to
them.

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