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Type: Change Request
Resolution: Persuasive with Modification
Priority: Highest

Specification:

FHIRCast (FHIR)
Raised in Version:

2.1.0-ballot [deprecated]
Work Group:

Infrastructure & Messaging
Outstanding Negatives:
STU
Related URL:
http://hl7.org/fhir/uv/fhircast/2022MAY/4-1-launch-scenarios.html#no-app-launch
Related Page(s):

App launch scenarios and session discovery [deprecated]
Grouping:
- block-vote-7
Resolution Description:

Hide

We think that there does exist an example here: https://build.fhir.org/ig/HL7/fhircast-docs/4-1-launch-scenarios.html#no-application-launch, of:

https://hub.example/com/AES256(username+nonce, shared secret)

No action needed.

Show
We think that there does exist an example here: https://build.fhir.org/ig/HL7/fhircast-docs/4-1-launch-scenarios.html#no-application-launch, of: https://hub.example/com/AES256(username+nonce , shared secret) No action needed.
Resolution Vote:
Bas van den Heuvel / Trent Nolin: 7-0-0
Change Category:
Clarification
Change Impact:
Non-substantive

Description

In a scenario in which the user manually starts two or more applications, the applications do not have the capability to establish a shared session topic. Since there's no "app launch", with its corresponding ability to exchange contextual information, the unique, unguessable, and session-specific hub.topic must be calculated by both the driving application's hub and the subscribing application. The synchronizing application could use a shared algorithm and secret to generate the hub.topic.

Why must the topic be unique and unguessable?
Especially in this case, a predictable value would be preferred.

Attachments

Issue Links

is duplicated by

FHIR-37113 Add example with pre-aligned topic

Duplicate

is voted on by

BALLOT-35253 Negative - Bas van den Heuvel : 2022-May-FHIR IG FHIRCast R1 STU

Withdrawn

BALLOT-35860 Negative - Javier Espina : 2022-May-FHIR IG FHIRCast R1 STU

Withdrawn

BALLOT-36002 Negative - David Simons : 2022-May-FHIR IG FHIRCast R1 STU

Withdrawn

BALLOT-36098 Negative - Peter Kranich : 2022-May-FHIR IG FHIRCast R1 STU

Withdrawn

BALLOT-36169 Negative - Lisson Zhang : 2022-May-FHIR IG FHIRCast R1 STU

Withdrawn

BALLOT-36456 Negative - Chris Melo : 2022-May-FHIR IG FHIRCast R1 STU

Withdrawn

BALLOT-35789 Negative - Vadim Peretokin : 2022-May-FHIR IG FHIRCast R1 STU

Balloted

BALLOT-35931 Negative - Olivia Bellamou-Huet : 2022-May-FHIR IG FHIRCast R1 STU

Balloted

relates to

FHIR-37067 Unguessable topic needed?

Applied

(4 is voted on by, 1 relates to)

Activity

People

Assignee:: Unassigned

Reporter:: Bas van den Heuvel

Request in-person:: Bas van den Heuvel

Watchers:: 3 Start watching this issue

Dates

Created:: 2022-05-02 03:42

Updated:: 2024-03-11 04:47

Resolved:: 2023-12-28 06:08

Vote Date:: 2024-03-11