What if someone knows the Secret Key (signature) of your JSON Web Token? -

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if knows secret key , alters lets example username of json token , expiry time, able access secured data on sever?

you need 5 different parameters access token -

grant_type, username, password, client_id, client_secret

so, knowing secret key, username not token; knowing password get. precisely means token if he/she knows parameters, else not!


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