feat: add kb-jwt to sd-jwt

Signed-off-by: Timo Glastra <[email protected]>
Sphereon-Opensource · Apr 10, 2024 · e066f2b · e066f2b
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Showing 2 changed files with 63 additions and 10 deletions.
diff --git a/packages/ssi-types/__tests__/encoding.test.ts b/packages/ssi-types/__tests__/encoding.test.ts
@@ -110,7 +110,7 @@ describe('Encoding - Decoding', () => {
   it('decode sd-jwt-vc', () => {
     const decoded = decodeSdJwtVc(
       'eyJhbGciOiJFZERTQSIsInR5cCI6InZjK3NkLWp3dCIsImtpZCI6IiN6Nk1rdHF0WE5HOENEVVk5UHJydG9TdEZ6ZUNuaHBNbWd4WUwxZ2lrY1czQnp2TlcifQ.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.coOK8NzJmEWz4qx-qRhjo-RK7aejrSkQM9La9Cw3eWmzcja9DXrkBoQZKbIJtNoSzSPLjwK2V71W78z0miZsDQ~WyJzYWx0IiwiaXNfb3Zlcl82NSIsdHJ1ZV0~WyJzYWx0IiwiaXNfb3Zlcl8yMSIsdHJ1ZV0~WyJzYWx0IiwiZW1haWwiLCJqb2huZG9lQGV4YW1wbGUuY29tIl0~WyJzYWx0IiwiY291bnRyeSIsIlVTIl0~WyJzYWx0IiwiZ2l2ZW5fbmFtZSIsIkpvaG4iXQ~eyJhbGciOiJFZERTQSIsInR5cCI6ImtiK2p3dCJ9.eyJpYXQiOjE2OTgxNTE1MzIsIm5vbmNlIjoic2FsdCIsImF1ZCI6ImRpZDprZXk6elVDNzRWRXFxaEVIUWNndjR6YWdTUGtxRkp4dU5XdW9CUEtqSnVIRVRFVWVITG9TcVd0OTJ2aVNzbWFXank4MnkiLCJfc2RfaGFzaCI6Ii1kTUd4OGZhUnpOQm91a2EwU0R6V2JkS3JYckw1TFVmUlNQTHN2Q2xPMFkifQ.TQQLqc4ZzoKjQfAghAzC_4aaU3KCS8YqzxAJtzT124guzkv9XSHtPN8d3z181_v-ca2ATXjTRoRciozitE6wBA',
-      (data, algorithm) => createHash(algorithm).update(data).digest(),
+      (data, algorithm) => createHash(algorithm).update(data).digest()
     )
 
     expect(decoded).toEqual({
@@ -194,13 +194,23 @@ describe('Encoding - Decoding', () => {
         phone_number: '+1-202-555-0101',
         vct: 'IdentityCredential',
       },
+      kbJwt: {
+        compact:
+          'eyJhbGciOiJFZERTQSIsInR5cCI6ImtiK2p3dCJ9.eyJpYXQiOjE2OTgxNTE1MzIsIm5vbmNlIjoic2FsdCIsImF1ZCI6ImRpZDprZXk6elVDNzRWRXFxaEVIUWNndjR6YWdTUGtxRkp4dU5XdW9CUEtqSnVIRVRFVWVITG9TcVd0OTJ2aVNzbWFXank4MnkiLCJfc2RfaGFzaCI6Ii1kTUd4OGZhUnpOQm91a2EwU0R6V2JkS3JYckw1TFVmUlNQTHN2Q2xPMFkifQ.TQQLqc4ZzoKjQfAghAzC_4aaU3KCS8YqzxAJtzT124guzkv9XSHtPN8d3z181_v-ca2ATXjTRoRciozitE6wBA',
+        payload: {
+          _sd_hash: '-dMGx8faRzNBouka0SDzWbdKrXrL5LUfRSPLsvClO0Y',
+          aud: 'did:key:zUC74VEqqhEHQcgv4zagSPkqFJxuNWuoBPKjJuHETEUeHLoSqWt92viSsmaWjy82y',
+          iat: 1698151532,
+          nonce: 'salt',
+        },
+      },
     })
   })
 
   it('decode sd-jwt-vc async', async () => {
     const decoded = await decodeSdJwtVcAsync(
       'eyJhbGciOiJFZERTQSIsInR5cCI6InZjK3NkLWp3dCIsImtpZCI6IiN6Nk1rdHF0WE5HOENEVVk5UHJydG9TdEZ6ZUNuaHBNbWd4WUwxZ2lrY1czQnp2TlcifQ.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.coOK8NzJmEWz4qx-qRhjo-RK7aejrSkQM9La9Cw3eWmzcja9DXrkBoQZKbIJtNoSzSPLjwK2V71W78z0miZsDQ~WyJzYWx0IiwiaXNfb3Zlcl82NSIsdHJ1ZV0~WyJzYWx0IiwiaXNfb3Zlcl8yMSIsdHJ1ZV0~WyJzYWx0IiwiZW1haWwiLCJqb2huZG9lQGV4YW1wbGUuY29tIl0~WyJzYWx0IiwiY291bnRyeSIsIlVTIl0~WyJzYWx0IiwiZ2l2ZW5fbmFtZSIsIkpvaG4iXQ~eyJhbGciOiJFZERTQSIsInR5cCI6ImtiK2p3dCJ9.eyJpYXQiOjE2OTgxNTE1MzIsIm5vbmNlIjoic2FsdCIsImF1ZCI6ImRpZDprZXk6elVDNzRWRXFxaEVIUWNndjR6YWdTUGtxRkp4dU5XdW9CUEtqSnVIRVRFVWVITG9TcVd0OTJ2aVNzbWFXank4MnkiLCJfc2RfaGFzaCI6Ii1kTUd4OGZhUnpOQm91a2EwU0R6V2JkS3JYckw1TFVmUlNQTHN2Q2xPMFkifQ.TQQLqc4ZzoKjQfAghAzC_4aaU3KCS8YqzxAJtzT124guzkv9XSHtPN8d3z181_v-ca2ATXjTRoRciozitE6wBA',
-      (data, algorithm) => Promise.resolve(createHash(algorithm).update(data).digest()),
+      (data, algorithm) => Promise.resolve(createHash(algorithm).update(data).digest())
     )
 
     expect(decoded).toEqual({
@@ -284,6 +294,16 @@ describe('Encoding - Decoding', () => {
         phone_number: '+1-202-555-0101',
         vct: 'IdentityCredential',
       },
+      kbJwt: {
+        compact:
+          'eyJhbGciOiJFZERTQSIsInR5cCI6ImtiK2p3dCJ9.eyJpYXQiOjE2OTgxNTE1MzIsIm5vbmNlIjoic2FsdCIsImF1ZCI6ImRpZDprZXk6elVDNzRWRXFxaEVIUWNndjR6YWdTUGtxRkp4dU5XdW9CUEtqSnVIRVRFVWVITG9TcVd0OTJ2aVNzbWFXank4MnkiLCJfc2RfaGFzaCI6Ii1kTUd4OGZhUnpOQm91a2EwU0R6V2JkS3JYckw1TFVmUlNQTHN2Q2xPMFkifQ.TQQLqc4ZzoKjQfAghAzC_4aaU3KCS8YqzxAJtzT124guzkv9XSHtPN8d3z181_v-ca2ATXjTRoRciozitE6wBA',
+        payload: {
+          _sd_hash: '-dMGx8faRzNBouka0SDzWbdKrXrL5LUfRSPLsvClO0Y',
+          aud: 'did:key:zUC74VEqqhEHQcgv4zagSPkqFJxuNWuoBPKjJuHETEUeHLoSqWt92viSsmaWjy82y',
+          iat: 1698151532,
+          nonce: 'salt',
+        },
+      },
     })
   })
 
@@ -298,8 +318,8 @@ describe('Encoding - Decoding', () => {
     expect(CredentialMapper.isCredential(decodedLdpVc)).toEqual(true)
     expect(
       CredentialMapper.isCredential(
-        'eyJhbGciOiJFZERTQSIsInR5cCI6InZjK3NkLWp3dCIsImtpZCI6IiN6Nk1rdHF0WE5HOENEVVk5UHJydG9TdEZ6ZUNuaHBNbWd4WUwxZ2lrY1czQnp2TlcifQ.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.coOK8NzJmEWz4qx-qRhjo-RK7aejrSkQM9La9Cw3eWmzcja9DXrkBoQZKbIJtNoSzSPLjwK2V71W78z0miZsDQ~WyJzYWx0IiwiaXNfb3Zlcl82NSIsdHJ1ZV0~WyJzYWx0IiwiaXNfb3Zlcl8yMSIsdHJ1ZV0~WyJzYWx0IiwiZW1haWwiLCJqb2huZG9lQGV4YW1wbGUuY29tIl0~WyJzYWx0IiwiY291bnRyeSIsIlVTIl0~WyJzYWx0IiwiZ2l2ZW5fbmFtZSIsIkpvaG4iXQ~eyJhbGciOiJFZERTQSIsInR5cCI6ImtiK2p3dCJ9.eyJpYXQiOjE2OTgxNTE1MzIsIm5vbmNlIjoic2FsdCIsImF1ZCI6ImRpZDprZXk6elVDNzRWRXFxaEVIUWNndjR6YWdTUGtxRkp4dU5XdW9CUEtqSnVIRVRFVWVITG9TcVd0OTJ2aVNzbWFXank4MnkiLCJfc2RfaGFzaCI6Ii1kTUd4OGZhUnpOQm91a2EwU0R6V2JkS3JYckw1TFVmUlNQTHN2Q2xPMFkifQ.TQQLqc4ZzoKjQfAghAzC_4aaU3KCS8YqzxAJtzT124guzkv9XSHtPN8d3z181_v-ca2ATXjTRoRciozitE6wBA',
-      ),
+        'eyJhbGciOiJFZERTQSIsInR5cCI6InZjK3NkLWp3dCIsImtpZCI6IiN6Nk1rdHF0WE5HOENEVVk5UHJydG9TdEZ6ZUNuaHBNbWd4WUwxZ2lrY1czQnp2TlcifQ.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.coOK8NzJmEWz4qx-qRhjo-RK7aejrSkQM9La9Cw3eWmzcja9DXrkBoQZKbIJtNoSzSPLjwK2V71W78z0miZsDQ~WyJzYWx0IiwiaXNfb3Zlcl82NSIsdHJ1ZV0~WyJzYWx0IiwiaXNfb3Zlcl8yMSIsdHJ1ZV0~WyJzYWx0IiwiZW1haWwiLCJqb2huZG9lQGV4YW1wbGUuY29tIl0~WyJzYWx0IiwiY291bnRyeSIsIlVTIl0~WyJzYWx0IiwiZ2l2ZW5fbmFtZSIsIkpvaG4iXQ~eyJhbGciOiJFZERTQSIsInR5cCI6ImtiK2p3dCJ9.eyJpYXQiOjE2OTgxNTE1MzIsIm5vbmNlIjoic2FsdCIsImF1ZCI6ImRpZDprZXk6elVDNzRWRXFxaEVIUWNndjR6YWdTUGtxRkp4dU5XdW9CUEtqSnVIRVRFVWVITG9TcVd0OTJ2aVNzbWFXank4MnkiLCJfc2RfaGFzaCI6Ii1kTUd4OGZhUnpOQm91a2EwU0R6V2JkS3JYckw1TFVmUlNQTHN2Q2xPMFkifQ.TQQLqc4ZzoKjQfAghAzC_4aaU3KCS8YqzxAJtzT124guzkv9XSHtPN8d3z181_v-ca2ATXjTRoRciozitE6wBA'
+      )
     ).toEqual(true)
   })
 
@@ -315,8 +335,8 @@ describe('Encoding - Decoding', () => {
     // jwt-sd credentials are not presentations
     expect(
       CredentialMapper.isPresentation(
-        'eyJhbGciOiJFZERTQSIsInR5cCI6InZjK3NkLWp3dCIsImtpZCI6IiN6Nk1rdHF0WE5HOENEVVk5UHJydG9TdEZ6ZUNuaHBNbWd4WUwxZ2lrY1czQnp2TlcifQ.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.coOK8NzJmEWz4qx-qRhjo-RK7aejrSkQM9La9Cw3eWmzcja9DXrkBoQZKbIJtNoSzSPLjwK2V71W78z0miZsDQ~WyJzYWx0IiwiaXNfb3Zlcl82NSIsdHJ1ZV0~WyJzYWx0IiwiaXNfb3Zlcl8yMSIsdHJ1ZV0~WyJzYWx0IiwiZW1haWwiLCJqb2huZG9lQGV4YW1wbGUuY29tIl0~WyJzYWx0IiwiY291bnRyeSIsIlVTIl0~WyJzYWx0IiwiZ2l2ZW5fbmFtZSIsIkpvaG4iXQ~eyJhbGciOiJFZERTQSIsInR5cCI6ImtiK2p3dCJ9.eyJpYXQiOjE2OTgxNTE1MzIsIm5vbmNlIjoic2FsdCIsImF1ZCI6ImRpZDprZXk6elVDNzRWRXFxaEVIUWNndjR6YWdTUGtxRkp4dU5XdW9CUEtqSnVIRVRFVWVITG9TcVd0OTJ2aVNzbWFXank4MnkiLCJfc2RfaGFzaCI6Ii1kTUd4OGZhUnpOQm91a2EwU0R6V2JkS3JYckw1TFVmUlNQTHN2Q2xPMFkifQ.TQQLqc4ZzoKjQfAghAzC_4aaU3KCS8YqzxAJtzT124guzkv9XSHtPN8d3z181_v-ca2ATXjTRoRciozitE6wBA',
-      ),
+        'eyJhbGciOiJFZERTQSIsInR5cCI6InZjK3NkLWp3dCIsImtpZCI6IiN6Nk1rdHF0WE5HOENEVVk5UHJydG9TdEZ6ZUNuaHBNbWd4WUwxZ2lrY1czQnp2TlcifQ.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.coOK8NzJmEWz4qx-qRhjo-RK7aejrSkQM9La9Cw3eWmzcja9DXrkBoQZKbIJtNoSzSPLjwK2V71W78z0miZsDQ~WyJzYWx0IiwiaXNfb3Zlcl82NSIsdHJ1ZV0~WyJzYWx0IiwiaXNfb3Zlcl8yMSIsdHJ1ZV0~WyJzYWx0IiwiZW1haWwiLCJqb2huZG9lQGV4YW1wbGUuY29tIl0~WyJzYWx0IiwiY291bnRyeSIsIlVTIl0~WyJzYWx0IiwiZ2l2ZW5fbmFtZSIsIkpvaG4iXQ~eyJhbGciOiJFZERTQSIsInR5cCI6ImtiK2p3dCJ9.eyJpYXQiOjE2OTgxNTE1MzIsIm5vbmNlIjoic2FsdCIsImF1ZCI6ImRpZDprZXk6elVDNzRWRXFxaEVIUWNndjR6YWdTUGtxRkp4dU5XdW9CUEtqSnVIRVRFVWVITG9TcVd0OTJ2aVNzbWFXank4MnkiLCJfc2RfaGFzaCI6Ii1kTUd4OGZhUnpOQm91a2EwU0R6V2JkS3JYckw1TFVmUlNQTHN2Q2xPMFkifQ.TQQLqc4ZzoKjQfAghAzC_4aaU3KCS8YqzxAJtzT124guzkv9XSHtPN8d3z181_v-ca2ATXjTRoRciozitE6wBA'
+      )
     ).toEqual(false)
   })
 
@@ -329,8 +349,8 @@ describe('Encoding - Decoding', () => {
     expect(CredentialMapper.hasProof(ldpVc)).toEqual(true)
     expect(
       CredentialMapper.hasProof(
-        'eyJhbGciOiJFZERTQSIsInR5cCI6InZjK3NkLWp3dCIsImtpZCI6IiN6Nk1rdHF0WE5HOENEVVk5UHJydG9TdEZ6ZUNuaHBNbWd4WUwxZ2lrY1czQnp2TlcifQ.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.coOK8NzJmEWz4qx-qRhjo-RK7aejrSkQM9La9Cw3eWmzcja9DXrkBoQZKbIJtNoSzSPLjwK2V71W78z0miZsDQ~WyJzYWx0IiwiaXNfb3Zlcl82NSIsdHJ1ZV0~WyJzYWx0IiwiaXNfb3Zlcl8yMSIsdHJ1ZV0~WyJzYWx0IiwiZW1haWwiLCJqb2huZG9lQGV4YW1wbGUuY29tIl0~WyJzYWx0IiwiY291bnRyeSIsIlVTIl0~WyJzYWx0IiwiZ2l2ZW5fbmFtZSIsIkpvaG4iXQ~eyJhbGciOiJFZERTQSIsInR5cCI6ImtiK2p3dCJ9.eyJpYXQiOjE2OTgxNTE1MzIsIm5vbmNlIjoic2FsdCIsImF1ZCI6ImRpZDprZXk6elVDNzRWRXFxaEVIUWNndjR6YWdTUGtxRkp4dU5XdW9CUEtqSnVIRVRFVWVITG9TcVd0OTJ2aVNzbWFXank4MnkiLCJfc2RfaGFzaCI6Ii1kTUd4OGZhUnpOQm91a2EwU0R6V2JkS3JYckw1TFVmUlNQTHN2Q2xPMFkifQ.TQQLqc4ZzoKjQfAghAzC_4aaU3KCS8YqzxAJtzT124guzkv9XSHtPN8d3z181_v-ca2ATXjTRoRciozitE6wBA',
-      ),
+        'eyJhbGciOiJFZERTQSIsInR5cCI6InZjK3NkLWp3dCIsImtpZCI6IiN6Nk1rdHF0WE5HOENEVVk5UHJydG9TdEZ6ZUNuaHBNbWd4WUwxZ2lrY1czQnp2TlcifQ.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.coOK8NzJmEWz4qx-qRhjo-RK7aejrSkQM9La9Cw3eWmzcja9DXrkBoQZKbIJtNoSzSPLjwK2V71W78z0miZsDQ~WyJzYWx0IiwiaXNfb3Zlcl82NSIsdHJ1ZV0~WyJzYWx0IiwiaXNfb3Zlcl8yMSIsdHJ1ZV0~WyJzYWx0IiwiZW1haWwiLCJqb2huZG9lQGV4YW1wbGUuY29tIl0~WyJzYWx0IiwiY291bnRyeSIsIlVTIl0~WyJzYWx0IiwiZ2l2ZW5fbmFtZSIsIkpvaG4iXQ~eyJhbGciOiJFZERTQSIsInR5cCI6ImtiK2p3dCJ9.eyJpYXQiOjE2OTgxNTE1MzIsIm5vbmNlIjoic2FsdCIsImF1ZCI6ImRpZDprZXk6elVDNzRWRXFxaEVIUWNndjR6YWdTUGtxRkp4dU5XdW9CUEtqSnVIRVRFVWVITG9TcVd0OTJ2aVNzbWFXank4MnkiLCJfc2RfaGFzaCI6Ii1kTUd4OGZhUnpOQm91a2EwU0R6V2JkS3JYckw1TFVmUlNQTHN2Q2xPMFkifQ.TQQLqc4ZzoKjQfAghAzC_4aaU3KCS8YqzxAJtzT124guzkv9XSHtPN8d3z181_v-ca2ATXjTRoRciozitE6wBA'
+      )
     ).toEqual(true)
   })
 })
diff --git a/packages/ssi-types/src/types/sd-jwt-vc.ts b/packages/ssi-types/src/types/sd-jwt-vc.ts
@@ -1,5 +1,6 @@
 import { OriginalType, WrappedVerifiableCredential, WrappedVerifiablePresentation } from './vc'
 import { decodeSdJwtSync, decodeSdJwt, getClaims, getClaimsSync } from '@sd-jwt/decode'
+import { CompactJWT } from './w3c-vc'
 
 type JsonValue = string | number | boolean | { [x: string]: JsonValue | undefined } | Array<JsonValue>
 
@@ -116,6 +117,22 @@ export interface SdJwtDecodedVerifiableCredential {
    * for querying the contents of the SD JWT VC using a PEX presentation definition path.
    */
   decodedPayload: SdJwtDecodedVerifiableCredentialPayload
+
+  /**
+   * Key binding JWT
+   */
+  kbJwt?: {
+    compact: CompactJWT
+    payload: SdJwtVcKbJwtPayload
+  }
+}
+
+interface SdJwtVcKbJwtPayload {
+  iat: number
+  aud: string
+  nonce: string
+  sd_hash: string
+  [key: string]: unknown
 }
 
 export interface WrappedSdJwtVerifiableCredential {
@@ -189,10 +206,11 @@ export type AsyncHasher = (data: string, alg: string) => Promise<Uint8Array>
  * this method hides the actual implementation of SD-JWT (which is currently based on @sd-jwt/core)
  */
 export function decodeSdJwtVc(compactSdJwtVc: CompactSdJwtVc, hasher: Hasher): SdJwtDecodedVerifiableCredential {
-  const { jwt, disclosures } = decodeSdJwtSync(compactSdJwtVc, hasher)
+  const { jwt, disclosures, kbJwt } = decodeSdJwtSync(compactSdJwtVc, hasher)
 
   const signedPayload = jwt.payload as SdJwtSignedVerifiableCredentialPayload
   const decodedPayload = getClaimsSync(signedPayload, disclosures, hasher)
+  const compactKeyBindingJwt = kbJwt ? compactSdJwtVc.split('~').pop() : undefined
 
   return {
     compactSdJwtVc,
@@ -207,6 +225,13 @@ export function decodeSdJwtVc(compactSdJwtVc: CompactSdJwtVc, hasher: Hasher): S
       } satisfies SdJwtDisclosure
     }),
     signedPayload: signedPayload as SdJwtSignedVerifiableCredentialPayload,
+    kbJwt:
+      compactKeyBindingJwt && kbJwt
+        ? {
+            compact: compactKeyBindingJwt,
+            payload: kbJwt.payload as SdJwtVcKbJwtPayload,
+          }
+        : undefined,
   }
 }
 
@@ -218,10 +243,11 @@ export function decodeSdJwtVc(compactSdJwtVc: CompactSdJwtVc, hasher: Hasher): S
  * this method hides the actual implementation of SD-JWT (which is currently based on @sd-jwt/core)
  */
 export async function decodeSdJwtVcAsync(compactSdJwtVc: CompactSdJwtVc, hasher: AsyncHasher): Promise<SdJwtDecodedVerifiableCredential> {
-  const { jwt, disclosures } = await decodeSdJwt(compactSdJwtVc, hasher)
+  const { jwt, disclosures, kbJwt } = await decodeSdJwt(compactSdJwtVc, hasher)
 
   const signedPayload = jwt.payload as SdJwtSignedVerifiableCredentialPayload
   const decodedPayload = await getClaims(signedPayload, disclosures, hasher)
+  const compactKeyBindingJwt = kbJwt ? compactSdJwtVc.split('~').pop() : undefined
 
   return {
     compactSdJwtVc,
@@ -236,5 +262,12 @@ export async function decodeSdJwtVcAsync(compactSdJwtVc: CompactSdJwtVc, hasher:
       } satisfies SdJwtDisclosure
     }),
     signedPayload: signedPayload as SdJwtSignedVerifiableCredentialPayload,
+    kbJwt:
+      compactKeyBindingJwt && kbJwt
+        ? {
+            compact: compactKeyBindingJwt,
+            payload: kbJwt.payload as SdJwtVcKbJwtPayload,
+          }
+        : undefined,
   }
 }