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In its compact form, JSON Web Tokens consist of three parts separated by dots (.), which are:
Therefore, a JWT typically looks like the following.
aaaaa.bbbbb.ccccc
I'll break down every part in the upcoming ideas.
The header is the first part of a JWT token and it usually consists of two parts: the type of the token, and the signing algorithm being used. (see picture above - type is "JWT" and the signing algorithm is HMAC SHA256 ).
This JSON is then B...
The payload is the second part of a JWT token and it contains the claims - statements about an entity (usually the user) and additional data. There are three types of claims:
The signature is the third part of a JWT token. In order to create it we have to take the encoded header, the encoded payload, a secret, the algorithm specified in the header, and sign that (see picture).
The signature is used to verify the message wasn't changed along the way, and, in the ...
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