Verify JWS

This tool will help you to Verify the JWS Object

This is your MAC Key use this field if the JWS is signed with MAC key
Use this field if the JWS Signed with EC or RSA Publick key

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JWS JSON Serialization Overview

A JWS is represented as the concatenation of

BASE64URL(UTF8(JWS Protected Header)) || '.' ||
BASE64URL(JWS Payload) || '.' ||
BASE64URL(JWS Signature)

In the JWS JSON Serialization, a JWS is represented as a JSON object containing some or all of these four members:

  • protected, with the value BASE64URL(UTF8(JWS Protected Header))
  • header, with the value JWS Unprotected Header for example
    {"alg":"HS256"}
    Encoding this JWS Protected Header as BASE64URL(UTF8(JWS Protected Header)) gives this value:
    eyJhbGciOiJIUzI1NiJ9
  • payload, with the value BASE64URL(JWS Payload) for example the payload
{
  "sub": "1234567890",
  "name": "Anish Nath",
  "iat": 1516239022
}

Encoding this JWS Payload as BASE64URL(JWS Payload) gives this value

ew0KICAic3ViIjogIjEyMzQ1Njc4OTAiLA0KICAibmFtZSI6ICJBbmlzaCBOYXRoIiwNCiAgImlhdCI6IDE1MTYyMzkwMjINCn0
  • signature, with the value BASE64URL(JWS Signature) Computing the HMAC with the HMAC
    SHA-256
9tFLrurxXWKBDh317ly24fP03We-uzSZtPf7Yqy_oSw
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