Sample JWS Verification Application

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

PEM X.509 Certificate verify with

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


  1. Fill JWS signature and X509 certificate 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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