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What should be stored in JWT token?
1 Answer
- Registered claims like sub , iss , exp or nbf.
- Public claims with public names or names registered by IANA which contain values that should be unique like email , address or phone_number . See full list.
- Private claims to use in your own context and values can collision.
Should I store JWT user information?
In most cases you don’t need the whole user data and ID will do good in most cases. So I would recommend to store ID (may be some other field too as required) in JWT instead of all the user’s data. However, you should not include any information in the token which the user could abuse within your system.
Is it safe to store data in JWT?
A JWT needs to be stored in a safe place inside the user’s browser. If you store it inside localStorage, it’s accessible by any script inside your page. This is as bad as it sounds; an XSS attack could give an external attacker access to the token.
Can JWT tokens store passwords?
The service validates username-password. If authentication success it returns an JWT that represents that the user is already authenticated, in other words he is who claim he is. This JWT could contain a payload without sensitive information (don’t store the password here).
What is the purpose of JWT token?
JSON Web Token (JWT) is an open standard (RFC 7519) that defines a compact and self-contained way for securely transmitting information between parties as a JSON object. This information can be verified and trusted because it is digitally signed.
What makes JSON Web Tokens (JWT) secure?
JSON Web Tokens (JWT) is a way of representing claims securely between two parties . It is known to be secure because the JWT can be signed using a secret or public/private key. A very common use of a JWT token is an API authentication mechanism.
What is JWT, JSON Web Token for?
JSON Web Token (JWT, sometimes pronounced /dʒɒt/) is a JSON-based open standard (RFC 7519) for creating access tokens that assert some number of claims. For example, a server could generate a token that has the claim “logged in as admin” and provide that to a client.
What is a claim token?
Claims can contain information about the user, roles or permissions, useful to build flexible authorization model. Token contains one or more claims and every claim contains some specific information. The token is digitally signed by token issuer when it’s created, so that it can be verified at the receiver end.