change credential type identifier vc+sd-jwt to dc+sd-jwt (#415)

8 approvals. open for a week.

examples/authorization_details_sd_jwt_vc.json

@@ -1,7 +1,7 @@
 [
   {
     "type": "openid_credential",
-    "format": "vc+sd-jwt",
+    "format": "dc+sd-jwt",
     "vct": "SD_JWT_VC_example_in_OpenID4VCI"
   }
 ]

examples/credential_metadata_sd_jwt_vc.json

@@ -1,7 +1,7 @@
 {
   "credential_configurations_supported": {
     "SD_JWT_VC_example_in_OpenID4VCI": {
-      "format": "vc+sd-jwt",
+      "format": "dc+sd-jwt",
       "scope": "SD_JWT_VC_example_in_OpenID4VCI",
       "cryptographic_binding_methods_supported": [
         "jwk"

examples/credential_response_sd_jwt_vc.txt

@@ -5,7 +5,7 @@ Cache-Control: no-store
 {
   "credentials": [
     {
-      "credential": "eyJhbGciOiAiRVMyNTYiLCAidHlwIjogInZjK3NkLWp3d
+      "credential": "eyJhbGciOiAiRVMyNTYiLCAidHlwIjogImRjK3NkLWp3d
       CIsICJraWQiOiAiZG9jLXNpZ25lci0wNS0yNS0yMDIyIn0.eyJfc2QiOiBbI
       jA5dktySk1PbHlUV00wc2pwdV9wZE9CVkJRMk0xeTNLaHBINTE1blhrcFkiL
       CAiMnJzakdiYUMwa3k4bVQwcEpyUGlvV1RxMF9kYXcxc1g3NnBvVWxnQ3diS
@@ -23,8 +23,8 @@ Cache-Control: no-store
       mYiOiB7Imp3ayI6IHsia3R5IjogIkVDIiwgImNydiI6ICJQLTI1NiIsICJ4I
       jogIlRDQUVSMTladnUzT0hGNGo0VzR2ZlNWb0hJUDFJTGlsRGxzN3ZDZUdlb
       WMiLCAieSI6ICJaeGppV1diWk1RR0hWV0tWUTRoYlNJaXJzVmZ1ZWNDRTZ0N
-      GpUOUYySFpRIn19fQ.oiDeF5QD8nCi8NHpKCVBsyitThK1xdRPtMePDdEIqJ
-      FY1BKtd5PhYjXLUVg3VuQZqyuOUev0OQAgu1KuMY0DNA~WyIyR0xDNDJzS1F
+      GpUOUYySFpRIn19fQ.dVjA0sh4xGD32uPqc9h4WHiEL3A08kiKNE08IIrtn3
+      PJvljLU7n19LBTtuzPFZoc_GoPuS97SIDbz96K8pkZew~WyIyR0xDNDJzS1F
       2ZUNmR2ZyeU5STjl3IiwgImdpdmVuX25hbWUiLCAiSm9obiJd~WyJlbHVWNU
       9nM2dTTklJOEVZbnN4QV9BIiwgImZhbWlseV9uYW1lIiwgIkRvZSJd~WyI2S
       Wo3dE0tYTVpVlBHYm9TNXRtdlZBIiwgImVtYWlsIiwgImpvaG5kb2VAZXhhb

openid-4-verifiable-credential-issuance-1_0.md

@@ -2252,7 +2252,7 @@ This section defines a Credential Format Profile for Credentials complying with
 
 ### Format Identifier
 
-The Credential Format Identifier is `vc+sd-jwt`.
+The Credential Format Identifier is `dc+sd-jwt`.
 
 ### Credential Issuer Metadata {#server-metadata-sd-jwt-vc}
 
@@ -2270,7 +2270,7 @@ The following additional Credential Issuer metadata parameters are defined for t
         * `locale`: OPTIONAL. String value that identifies language of this object represented as language tag values defined in BCP47 [@!RFC5646]. There MUST be only one object for each language identifier.
 * `order`: OPTIONAL. An array of the claim name values that lists them in the order they should be displayed by the Wallet.
 
-The following is a non-normative example of an object comprising the `credential_configurations_supported` parameter for Credential Format `vc+sd-jwt`.
+The following is a non-normative example of an object comprising the `credential_configurations_supported` parameter for Credential Format `dc+sd-jwt`.
 
 <{{examples/credential_metadata_sd_jwt_vc.json}}
 
@@ -2281,15 +2281,15 @@ The following additional claims are defined for authorization details of type `o
 * `vct`: REQUIRED. String as defined in (#server-metadata-sd-jwt-vc). This claim contains the type values the Wallet requests authorization for at the Credential Issuer. It MUST only be present if the `format` claim is present. It MUST not be present otherwise.
 * `claims`: OPTIONAL. Object as defined in (#server-metadata-sd-jwt-vc) excluding the `display` and `value_type` parameters. `mandatory` parameter here is used by the Wallet to indicate to the Issuer that it only accepts Credential(s) issued with those claim(s).
 
-The following is a non-normative example of an authorization details object with Credential Format `vc+sd-jwt`.
+The following is a non-normative example of an authorization details object with Credential Format `dc+sd-jwt`.
 
 <{{examples/authorization_details_sd_jwt_vc.json}}
 
 ### Credential Response {#credential-response-jwt-vc-json}
 
 The value of the `credential` claim in the Credential Response MUST be a string that is an SD-JWT VC. Credentials of this format are already suitable for transfer and, therefore, they need not and MUST NOT be re-encoded.
 
-The following is a non-normative example of a Credential Response containing a Credential of format `vc+sd-jwt`.
+The following is a non-normative example of a Credential Response containing a Credential of format `dc+sd-jwt`.
 
 <{{examples/credential_response_sd_jwt_vc.txt}}
 
@@ -2571,6 +2571,7 @@ The technology described in this specification was made available from contribut
    * removes `c_nonce` and `c_nonce_expires_in` from the Credential Error Response
    * Fixed #239: Completed IANA Considerations section
    * add key attestation as additional information in a proof of possesion and new proof type
+   * change credential format identifier `vc+sd-jwt` to `dc+sd-jwt` to align with the media type in draft -06 of [@I-D.ietf-oauth-sd-jwt-vc] and update `typ` accordingly in examples 
 
    -14