Error: Unsupported message type when handling Verifiable Presentation

Bug severity 2

Describe the bug Trying to verify a Verifiable Presentation with did:key as holder/ verifier via MessageHandler throws an “Unsupported message type” error.

To Reproduce Steps to reproduce the behaviour:

1. Create a credential where issuer and subject are the same did:key -> Works
2. Use that credential to create a presentation. Holder and verifier are the same did:key as in 1. -> Still works
3. Verify that presentation via agent.handleMessage({ raw: presentation.proof.jwt }) -> Error

Observed behaviour Step 3 throws an Unsupported message type error.

Expected behaviour A resolved Message from input jwt.

Details

Error: Unsupported message type
    at Object.<anonymous> (.../node_modules/@veramo/message-handler/src/abstract-message-handler.ts:4:44)
    at Module._compile (internal/modules/cjs/loader.js:1063:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:1092:10)
    at Module.load (internal/modules/cjs/loader.js:928:32)
    at Function.Module._load (internal/modules/cjs/loader.js:769:14)
    at Module.require (internal/modules/cjs/loader.js:952:19)
    at require (internal/modules/cjs/helpers.js:88:18)
    at Object.<anonymous> (.../node_modules/@veramo/message-handler/src/index.ts:8:1)
    at Module._compile (internal/modules/cjs/loader.js:1063:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:1092:10)

Additional context This bug seems to be related to the did:key method. If you redo those 3 steps with did:ion or did:ethr, all steps work perfectly. Maybe it’s due to the key types? (Ed25519 of did:key vs Secp256k1 of did:ion/ethr) You can find my Veramo setup here, in case I missed something.

Versions (please complete the following information):

• Veramo: 1.2.0
• Browser Chrome + Safari (not helpful here)
• Node Version 14.15.3

[awoie]

@strumswell Thanks for re-sharing the example (I guess I did a copy&paste error). The issue is that the VC contains the right alg=EdDSA but the VP doesn’t. The VP is a JWT with alg=ES256K which should be EdDSA.

@mirceanis imo, this is a bug.

[awoie]

Oh, I see. Let me know if you need more. I’ll keep an eye on the issue. 🙂

Should now be fixed.