Skip to content

Changelog

Changelog

1.0.0

No functional change from 1.0.0-rc; added documentation links and re-worked introduction.

1.0.0-rc

No change from 0.4.5; applying tag for connectathon release

0.4.5

Clarify mapping into VC Data Model, and strip "fixed" fields from payload

0.4.4

Resource.meta is allowed in one special case

0.4.3

Document CORS expectation for .well-known/jwks.json

0.4.2

Replace iat with nbf in JWT payload encoding

0.4.1

Added optional x5c in JWKS

0.3.1

Add optional vcIndex param on $health-cards-issue response's resourceLink

0.3.0

Rename $HealthWallet.issueVc to $health-cards-issue

0.2.0

Chunk-based QR representation of larger Health Cards (JWS > 1195 characters). Defines shc:/<n>/<c>/ prefix, where <n> represents a chunk number and <c> represents the total chunk count.

0.1.1

Added shc:/ prefix for QR representations.

0.1.0

Significant API overhaul to reduce scope and simplify dependencies. See PR#64 for details.

  • Remove user DIDs from the picture. They were already optional, and in some of our most important flows unlikely to be available.

  • Remove the need to bind an issuer to a holder ahead of time. SMART on FHIR clients can now call $HealthWallet.issueVc without having to call $HealthWallet.connect first

  • Update $HealthWallet.issueVc response to use valueString (avoids the need for base64 encoding in the FHIR Parameters resource)

  • Replace DID-based key discovery with hosted JSON Web Key. Establish the requirement that Issuers host .well-known/jwks.json

  • Define requirements for keeping Health Cards' JWS representation small (small enough to fit in a QR code) -- including size limits and a method for splitting a Health Card into a Health Card Set when the size limit cannot be met

  • Document process for embedding Health Cards in QR codes

  • Update file extension and MIME type for representing Health Cards as downloadable files (.smart-health-card and application/smart-health-card)

  • Remove SIOP flow For Verifier::Holder communications

0.0.12

Add optional resourceLink response parameter on $HealthWallet.issueVc

0.0.11

Change canonical domain to https://smarthealth.cards (from https://healthwallet.cards)

0.0.10

Add detail on how to recognize encryption keys, signing keys, and linked domains in a DID Document

0.0.9

Add discovery params to .well-known/smart-configuration, allowing SMART on FHIR servers to advertise Health Cards capabilities

0.0.8

  • Clarify that .fhir-backed-vc files can contain JWS- or JWE-based VCs
  • Update JWS signature algorithm to ES256

0.0.7

Simplify demographics recommendations with one uniform "minimum set"

0.0.6

Updated encryption to use "alg": "ECDH-ES" (with "enc": "A256GCM")

0.0.5

Updated encryption to use "enc": "A256GCM"

0.0.4

  • Added links to overview / intro video
  • Updated SIOP request to identify requested credentials by type URL (https://healthwallet.cards#covid19 instead of health-wallet-covid19-card)

0.0.3

  • Update .well-known DID links and file URL to match latest spec

0.0.2

  • Use valueUri (which exists in DSTU2+) for FHIR datatypes rather than valueUrl (which was introduced after DSTU2)
  • Added encryptForKeyId parameter to $HealthWallet.issueVc operation, defaulting to absent == no encryption
  • Updated example VC JWT representations to ensure that the .vc.credentialSubject contains all subject-specific claims
  • Defined OperationOutcome payload for failed $HealthWallet.issueVc operations