[Cryptography] Is there any advantage to canonical fingerprints.

Christian Huitema huitema at huitema.net
Mon Oct 2 16:51:48 EDT 2017

On 10/2/2017 11:05 AM, Phillip Hallam-Baker wrote:

> So I was working on my UDF fingerprint scheme. Using base32 to encode
> a fingerprint and adding an 8 byte version prefix means that a
> fingerprint with a 117 bit work factor looks like this:
> Its not bad but how about we ease up on the work factor. The absolute
> minimum I would want to have is 92 bits.
> Now suppose that the first 25 bits of the fingerprint are zeros. The
> 92 bit fingerprint that would look like this:
> Now looks like this:

Both the idea and the implementation are very close to the "call signs"
system that I worked on with Kim Cameron and Josh Benaloh. Too bad that
we failed to publish an academic paper, and that the best description is
in the patent -- https://www.google.com.au/patents/US7929689.

Christian Huitema

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