example-sd-jwt-vc-data-v02-01.md

Appendix 4 - Example 4b: W3C Verifiable Credentials Data Model v2.0

Description of the example in the specification Appendix 4 - Example 4b: W3C Verifiable Credentials Data Model v2.0

val sdJwtVcDataV2 =
    sdJwt {
        arrClaim("@context") {
            claim("https://www.w3.org/2018/credentials/v1")
            claim("https://w3id.org/vaccination/v1")
        }
        arrClaim("type") {
            claim("VerifiableCredential")
            claim("VaccinationCertificate")
        }
        claim("issuer", "https://example.com/issuer")
        claim("issuanceDate", "2023-02-09T11:01:59Z")
        claim("expirationDate", "2028-02-08T11:01:59Z")
        claim("name", "COVID-19 Vaccination Certificate")
        claim("description", "COVID-19 Vaccination Certificate")
        objClaim("cnf") {
            objClaim("jwk") {
                claim("kty", "EC")
                claim("crv", "P-256")
                claim("x", "TCAER19Zvu3OHF4j4W4vfSVoHIP1ILilDls7vCeGemc")
                claim("y", "ZxjiWWbZMQGHVWKVQ4hbSIirsVfuecCE6t4jT9F2HZQ")
            }
        }

        objClaim("credentialSubject") {
            claim("type", "VaccinationEvent")
            sdClaim("nextVaccinationDate", "2021-08-16T13:40:12Z")
            sdClaim("countryOfVaccination", "GE")
            sdClaim("dateOfVaccination", "2021-06-23T13:40:12Z")
            sdClaim("order", "3/3")
            sdClaim("administeringCentre", "Praxis Sommergarten")
            sdClaim("batchNumber", "1626382736")
            sdClaim("healthProfessional", "883110000015376")
            objClaim("vaccine") {
                claim("type", "Vaccine")
                sdClaim("atcCode", "J07BX03")
                sdClaim("medicinalProductName", "COVID-19 Vaccine Moderna")
                sdClaim("marketingAuthorizationHolder", "Moderna Biotech")
            }
            objClaim("recipient") {
                claim("type", "VaccineRecipient")
                sdClaim("gender", "Female")
                sdClaim("birthDate", "1961-08-17")
                sdClaim("givenName", "Marion")
                sdClaim("familyName", "Mustermann")
            }
        }
    }

Produces

{
  "@context": [
    "https://www.w3.org/2018/credentials/v1",
    "https://w3id.org/vaccination/v1"
  ],
  "type": [
    "VerifiableCredential",
    "VaccinationCertificate"
  ],
  "issuer": "https://example.com/issuer",
  "issuanceDate": "2023-02-09T11:01:59Z",
  "expirationDate": "2028-02-08T11:01:59Z",
  "name": "COVID-19 Vaccination Certificate",
  "description": "COVID-19 Vaccination Certificate",
  "cnf": {
    "jwk": {
      "kty": "EC",
      "crv": "P-256",
      "x": "TCAER19Zvu3OHF4j4W4vfSVoHIP1ILilDls7vCeGemc",
      "y": "ZxjiWWbZMQGHVWKVQ4hbSIirsVfuecCE6t4jT9F2HZQ"
    }
  },
  "credentialSubject": {
    "type": "VaccinationEvent",
    "_sd": [
      "AN8fGQH71sxVicG6kpzMeuC6DUjWYweTbzo2YENbPIw",
      "W7PJCiGTkD6698JubYrfE9Nw0s9s2Qufo_w-rbGglso",
      "3NQAz_q5LUUdLssevda4iAVyHFQXrIr8azIxD1pzVF4",
      "hwSSXnJOxODS4g0272WSRvyfBUaI7gEFb-bgiQE4Pv8",
      "ew2bZj2drxmdWsDLgAgORgAflpO_MjwJ6BqRyyMfAiA",
      "MXrkHIROu1-CUMqgTmpJApw1QKiG-Ev4E3BlMI8dLOs",
      "kmq2TibfEvdQ59sv6rzINltNqvpJfOG1VmLl3gMZseg"
    ],
    "vaccine": {
      "type": "Vaccine",
      "_sd": [
        "jc7VUrPqLJ1uCF3jo0U5eMsMl2sdtjEf2k2J2GML3lo",
        "NnweRuqvhENsc-yYOVa7tBSXnmwn8v4Y3d00cC1M6hI",
        "-aWn6C2F8nsfTQEpMotE0D0YsLN6XRCYwlKazyBGxgk"
      ]
    },
    "recipient": {
      "type": "VaccineRecipient",
      "_sd": [
        "Ck24z45Hi1vUfNt44qKLmS1gnbRqPvmSmyMaW9otpbU",
        "A7jZlA13I-9fbqydsUE1zprrw9GVW17q9JgYgru4VcQ",
        "pTPGEA7YCTuIGF2uEiykOSLE7e9QHtk1-dw6PKd1A_w",
        "YXlycX6aWB5LGdyhdaH-rq_ze34ALbh4FyVwkpuf4n0"
      ]
    }
  },
  "_sd_alg": "sha-256"
}

and the following disclosures (salt omitted):

[
  ["...salt...","nextVaccinationDate","2021-08-16T13:40:12Z"],
  ["...salt...","countryOfVaccination","GE"],
  ["...salt...","dateOfVaccination","2021-06-23T13:40:12Z"],
  ["...salt...","order","3/3"],
  ["...salt...","administeringCentre","Praxis Sommergarten"],
  ["...salt...","batchNumber","1626382736"],
  ["...salt...","healthProfessional","883110000015376"],
  ["...salt...","atcCode","J07BX03"],
  ["...salt...","medicinalProductName","COVID-19 Vaccine Moderna"],
  ["...salt...","marketingAuthorizationHolder","Moderna Biotech"],
  ["...salt...","gender","Female"],
  ["...salt...","birthDate","1961-08-17"],
  ["...salt...","givenName","Marion"],
  ["...salt...","familyName","Mustermann"]
]

You can get the full code here.