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Re: Updated 'what is a DID' list

From: Tom Jones <thomasclinganjones@gmail.com>
Date: Sun, 9 Dec 2018 15:29:01 -0800
Message-ID: <CAK2Cwb7otnU0L7R1CVJheWAYe9DnPpcg6i7D5zbF_K_6tWCXRw@mail.gmail.com>
To: Andrew Hughes <andrewhughes3000@gmail.com>
Cc: public-credentials@w3.org
DIDs are URLs that relate a DID subject to means for trustable interactions
with that subject. DIDs resolve to DID Documents — simple documents that
describe how to use that specific DID.

sorry andrew for misposting b4.
Peace ..tom


On Sun, Dec 9, 2018 at 1:41 PM Andrew Hughes <andrewhughes3000@gmail.com>
wrote:

> Hi folks - thank you for the other email thread - I think we have surfaced
> some interesting things while exploring simple ways to talk about DIDs.
>
> I have rewritten the original list in this Google doc:
> https://docs.google.com/document/d/1Ym85y_bDVN9xkRZ-oD-zlUUIeZjVGWNihfZBk2GQidk/edit?usp=sharing
>
> Also, the highest-level statements are copied here (the doc has a more
> complete set of statements that pertain to the high-level list). NB: the
> ramifications of each of these statements is not spelled out yet - for
> example, why is it significant that DIDs can be authenticated and the
> authentication methods updatable without necessarily changing the DID value?
>
> A Decentralized Identifier (DID):
>
>    1.
>
>    Is a globally-unique identifier in a universal-scope namespace
>    2.
>
>    Is an identifier for a specific entity: the DID subject (i.e. A DID is
>    a URI)
>    3.
>
>    Is a persistent identifier (i.e. A DID is a URN)
>    4.
>
>    May be self-created without reliance on a central issuer/authority
>    5.
>
>    Therefore, cannot be deleted or revoked arbitrarily by a centralized
>    authority or registry
>    6.
>
>    When resolved using a DID Resolver, returns the associated DID
>    Document if it exists
>    7.
>
>    Is associated with zero or one DID Document:
>    1.
>
>       A standard resource describing the DID subject entity
>       2.
>
>       Which may contain an ‘authentication’ property used to allow an
>       entity to cryptographically prove that they are the DID subject
>       3.
>
>       Whose content may be updated without necessarily updating the DID
>       itself
>       8.
>
>    Conforms to a specific DID method specification which must, for a
>    specific target system, specify the DID operations: Create; Read/Verify;
>    Update; Delete/Revoke.
>
>
> A couple summary statements:
>
> Any entity that follows the mechanism described in the relevant DID method
> specification can create a resolvable, persistent, unique Decentralized
> Identifier.
>
> The DID method must describe cryptographic key management system functions
> such as key registration; key replacement; key rotation; key recovery; key
> expiration.
>
> *Andrew Hughes *CISM CISSP
> *In Turn Information Management Consulting*
>
> o  +1 650.209.7542
> m +1 250.888.9474
> 1249 Palmer Road, Victoria, BC V8P 2H8
> AndrewHughes3000@gmail.com
> *https://www.linkedin.com/in/andrew-hughes-682058a
> <https://www.linkedin.com/in/andrew-hughes-682058a>*
> *Digital Identity | International Standards | Information Security *
>
Received on Sunday, 9 December 2018 23:29:37 UTC

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