Question 1

How to sign a JWT with jose-jwt in C#?

Accepted Answer

Use the Jose.JWT.Encode method with a payload dictionary and a key, specifying the algorithm like JwsAlgorithm.HS256. For example, string token = Jose.JWT.Encode(payload, secretKey, JwsAlgorithm.HS256); as shown in the README's signing section.

Question 2

jose-jwt vs Microsoft.IdentityModel.Tokens.Jwt which one should I use?

Accepted Answer

jose-jwt offers full JOSE compliance including JWE and JWK, while Microsoft's library is more focused on JWT signing and validation. Choose jose-jwt for advanced encryption and key management, or Microsoft's for simpler integration with .NET Core authentication systems.

Question 3

Does jose-jwt work with .NET 8?

Accepted Answer

Yes, jose-jwt is compatible with .NET 8.0 as listed in the OS compatibility table, ensuring support on modern .NET platforms including cross-platform environments like Linux and macOS.

Question 4

How to implement JWE JSON serialization with jose-jwt?

Accepted Answer

Use the JWE.Encrypt method with JweRecipient objects for multiple recipients, as described in the JWE JSON Serialization section. It supports both JSON and compact serialization modes, with examples for encrypting strings or binary content.

Question 5

What are the breaking changes in jose-jwt v5?

Accepted Answer

v5 introduces changes like JWK EC keys bridging to ECDsa by default, new security controls, and decompression limits. Refer to the 'Important upgrade notes' in the README for specifics, such as adjustments needed for key handling and JSON mapping.

Question 6

Is jose-jwt FIPS compliant?

Accepted Answer

Yes, jose-jwt is fully FIPS compliant since version 2.1, making it suitable for environments requiring federal information processing standards, as highlighted in the FIPS compliance section of the README.

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