Sample JWS Verification Application

Default values are cited from "draft-jones-json-web-signature-04 Annex.2".

Verifying Public KeyPublic Key Modulus (N)
Public Exponent (E)

Encoded Head
Encoded Payload
Encoded Signature Value
Signature Input
Signature Value (Hex)


  1. Fill JWS signature, modulus and public exponent of a public key if you need.
  2. Then just press "Verify JWS Signature" button.
  3. If the signature is valid, you will see a dialog 'JWS signature is '*Valid*'. You may see an error dialog if it is malformed signature.
  4. As for JWS signature generation, please see this sample.
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