How does JWT signature verification work?
An example of an AI chatbot conversation about JWT signature verification.
How does JWT signature verification work?
JWT (JSON Web Token) signature verification ensures that the token is authentic and hasn't been tampered with. It uses a secret key or public/private key pair to validate the signature.
What happens if the signature is invalid?
If the signature is invalid, it means the token has been altered or is not from a trusted source. The server should reject the token and deny access.
Can you explain the process of creating a JWT?
Sure! A JWT is created by encoding a header, payload, and signature. The header specifies the algorithm, the payload contains claims, and the signature is generated using the header, payload, and a secret key.
What algorithms are commonly used for signing JWTs?
Common algorithms include HMAC SHA256, RS256, and ES256. HMAC is symmetric, while RS256 and ES256 are asymmetric.
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