What is the structure of a JWT token?
A JWT (JSON Web Token) consists of three parts: Header, Payload, and Signature.
Can you explain what each part contains?
Sure! The Header typically contains the type of token and the signing algorithm. The Payload contains the claims, which are statements about an entity (usually the user) and additional data. The Signature is used to verify that the sender of the JWT is who it says it is and to ensure that the message wasn't changed.
How is the signature created?
The signature is created by taking the encoded header and payload, a secret, and the algorithm specified in the header. This is then hashed to create the signature.
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