Question 1

How do I install jwt-cpp with vcpkg?

Accepted Answer

jwt-cpp is available in vcpkg; you can install it via 'vcpkg install jwt-cpp'. Ensure OpenSSL dependencies are met, and refer to the package's documentation for platform-specific setup.

Question 2

Can jwt-cpp work with Boost.JSON?

Accepted Answer

Yes, jwt-cpp supports flexible JSON integration through traits. You can use or create a trait for Boost.JSON by following the instructions in the traits documentation, allowing seamless use.

Question 3

What's the performance of jwt-cpp compared to other C++ JWT libraries?

Accepted Answer

jwt-cpp is header-only, which may increase compile times but reduces runtime dependencies. Performance depends on the chosen JSON library and algorithm; it's optimized for flexibility rather than raw speed.

Question 4

How to validate a JWT with ECDSA in jwt-cpp?

Accepted Answer

Use the jwt::verify class with ECDSA algorithms like ES256. Load your elliptic curve keys, set the algorithm in the verifier, and verify the decoded token—examples are provided in the repository.

Question 5

Is jwt-cpp thread-safe for multi-threaded applications?

Accepted Answer

The library's verifier and creator are stateless, so they can be reused across threads safely. However, you must manage shared resources like key storage and token decoding with proper synchronization.

Question 6

jwt-cpp vs libjwt: which is better for C++ projects?

Accepted Answer

jwt-cpp offers a header-only design and flexible JSON integration, making it easier to embed without linking. Libjwt may have more features out-of-the-box but ties you to specific dependencies and JSON libraries.

jwt-cpp

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