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1.3 KiB
1.3 KiB
Biscuit authentication token
logo by Mathias Adam
Biscuit is a (in development) authentication token for microservices architectures with the following properties:
- distributed authorization: any node could validate the token only with public information;
- offline delegation: a new, valid token can be created from another one by attenuating its rights, by its holder, without communicating with anyone;
- capabilities based: authorization in microservices should be tied to rights related to the request, instead of relying to an identity that might not make sense to the verifier;
- flexible rights managements: the token uses a logic language to specify attenuation and add bounds on ambient data;
- small enough to fit anywhere (cookies, etc).
Non goals:
- This is not a new authentication protocol. Biscuit tokens can be used as opaque tokens delivered by other systems such as OAuth.
- Revocation: while tokens come with expiration dates, revocation requires external state management.