Wednesday 10 March 2021

How to use one JWT token to sign a second JWT token?

The Scenario: A web-app user wants to create an authorised view of a private asset. The user has authenticated and has a jwt token. The app wants to make a fresh secondary jwt token, which can be verified as having been created with the original token.

FYI: My use case is signing a url - adding the second jwt token to the url, to allow controlled public viewing of the private asset.

How should the app do that?

E.g. is there a recommended way to set secret and alg for this 2nd token?



from How to use one JWT token to sign a second JWT token?

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