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Re: Introducing CBOR-LD...

From: Manu Sporny <msporny@digitalbazaar.com>
Date: Fri, 24 Jul 2020 11:20:38 -0400
To: Adrian Gropper <agropper@healthurl.com>, Leonard Rosenthol <lrosenth@adobe.com>
Cc: "public-credentials@w3.org" <public-credentials@w3.org>
Message-ID: <43a31e18-928c-48a0-1a8f-fa7e75aeac94@digitalbazaar.com>
On 7/24/20 11:11 AM, Adrian Gropper wrote:
> There’s a rather esoteric attack on dictionary-based compression in
> general. As the process of refining a public dictionary becomes more
> efficient, we get a kind of traffic analysis or inverse differential
> privacy effect. I don’t doubt the value of dictionary-based compression
> but let’s keep entropy in mind.

Could you elaborate more, Adrian? I'm not following.

Perhaps define what the esoteric attack on dictionary-based compression is?

-- manu

Manu Sporny - https://www.linkedin.com/in/manusporny/
Founder/CEO - Digital Bazaar, Inc.
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Received on Friday, 24 July 2020 15:20:52 UTC

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