'ZZ' 서브파일의 'ZZA' 필드에 있는 데이터를 추출하고 base 인코딩을 되돌린다.
이제 검증할 원래 JSON-LD VC를 얻기 위해 CBOR-LD로 압축을 해제한다.
여기서도 매개변수는 CBOR-LD 레지스트리 항목 100과 연결된다.
컨텍스트를 처리하고 컨텍스트 용어에 정수 값을 할당한 결과로 생성되어야 하는
ID-to-term 매핑은 다음과 같다. 이는 압축 중에 구성된 맵의 역이라는 점에 유의한다.
예제
24: Utopia DL을 압축 해제할 때 CBOR-LD가 생성하는
ID-to-term 맵
Map(97) {
0 => '@context',
2 => '@type',
4 => '@id',
6 => '@value',
8 => '@direction',
10 => '@graph',
12 => '@included',
14 => '@index',
16 => '@json',
18 => '@language',
20 => '@list',
22 => '@nest',
24 => '@reverse',
26 => '@base',
28 => '@container',
30 => '@default',
32 => '@embed',
34 => '@explicit',
36 => '@none',
38 => '@omitDefault',
40 => '@prefix',
42 => '@preserve',
44 => '@protected',
46 => '@requireAll',
48 => '@set',
50 => '@version',
52 => '@vocab',
100 => '...',
102 => 'BitstringStatusList',
104 => 'BitstringStatusListCredential',
106 => 'BitstringStatusListEntry',
108 => 'DataIntegrityProof',
110 => 'EnvelopedVerifiableCredential',
112 => 'EnvelopedVerifiablePresentation',
114 => 'JsonSchema',
116 => 'JsonSchemaCredential',
118 => 'VerifiableCredential',
120 => 'VerifiablePresentation',
122 => '_sd',
124 => '_sd_alg',
126 => 'aud',
128 => 'cnf',
130 => 'description',
132 => 'digestMultibase',
134 => 'digestSRI',
136 => 'exp',
138 => 'iat',
140 => 'id',
142 => 'iss',
144 => 'jku',
146 => 'kid',
148 => 'mediaType',
150 => 'name',
152 => 'nbf',
154 => 'sub',
156 => 'type',
158 => 'x5u',
160 => 'AamvaDriversLicenseScannableInformation',
162 => 'MachineReadableZone',
164 => 'OpticalBarcodeCredential',
166 => 'TerseBitstringStatusListEntry',
168 => 'protectedComponentIndex',
170 => 'did:key:zDnaeWjKfs1ob9QcgasjYSPEMkwq31hmvSAWPVAgnrt1e9GKj',
172 => 'did:key:zDnaeWjKfs1ob9QcgasjYSPEMkwq31hmvSAWPVAgnrt1e9GKj#zDnaeWjKfs1ob9QcgasjYSPEMkwq31hmvSAWPVAgnrt1e9GKj',
174 => 'did:key:zDnaeZSD9XcuULaS8qmgDUa6TMg2QjF9xABnZK42awDH3BEzj',
176 => 'did:key:zDnaeZSD9XcuULaS8qmgDUa6TMg2QjF9xABnZK42awDH3BEzj#zDnaeZSD9XcuULaS8qmgDUa6TMg2QjF9xABnZK42awDH3BEzj',
178 => 'https://sandbox.platform.veres.dev/statuses/z19rJ4oGrbFCqf3cNTVDHSbNd/status-lists',
180 => 'confidenceMethod',
182 => 'credentialSchema',
184 => 'credentialStatus',
186 => 'credentialSubject',
188 => 'evidence',
190 => 'issuer',
192 => 'proof',
194 => 'refreshService',
196 => 'relatedResource',
198 => 'renderMethod',
200 => 'termsOfUse',
202 => 'validFrom',
204 => 'validUntil',
206 => 'terseStatusListBaseUrl',
208 => 'terseStatusListIndex',
210 => 'challenge',
212 => 'created',
214 => 'cryptosuite',
216 => 'domain',
218 => 'expires',
220 => 'nonce',
222 => 'previousProof',
224 => 'proofPurpose',
226 => 'proofValue',
228 => 'verificationMethod',
230 => 'assertionMethod',
232 => 'authentication',
234 => 'capabilityDelegation',
236 => 'capabilityInvocation',
238 => 'keyAgreement'
}
예제
25: Utopia 운전면허증 VCB에 대한 JSON-LD VC
{
"@context": [
"https://www.w3.org/ns/credentials/v2",
"https://w3id.org/vc-barcodes/v1",
"https://w3id.org/utopia/v2"
],
"type": [
"VerifiableCredential",
"OpticalBarcodeCredential"
],
"credentialSubject": {
"type": "AamvaDriversLicenseScannableInformation",
"protectedComponentIndex": "uggAg"
},
"issuer": "did:key:zDnaeWjKfs1ob9QcgasjYSPEMkwq31hmvSAWPVAgnrt1e9GKj",
"credentialStatus": {
"type": "TerseBitstringStatusListEntry",
"terseStatusListBaseUrl": "https://sandbox.platform.veres.dev/statuses/z19rJ4oGrbFCqf3cNTVDHSbNd/status-lists",
"terseStatusListIndex": 3851559041
},
"proof": {
"type": "DataIntegrityProof",
"verificationMethod": "did:key:zDnaeWjKfs1ob9QcgasjYSPEMkwq31hmvSAWPVAgnrt1e9GKj#zDnaeWjKfs1ob9QcgasjYSPEMkwq31hmvSAWPVAgnrt1e9GKj",
"cryptosuite": "ecdsa-xi-2023",
"proofPurpose": "assertionMethod",
"proofValue": "z4g6G3dAZhhtPxPWgFvkiRv7krtCaeJxjokvL46fchAFCXEY3FeX2vn46MDgBaw779g1E1jswZJxxreZDCrtHg2qH"
}
}
