Microservices - Authentication and Authorization
Given a microservice that receives a JWT access token, which step correctly verifies the token's authenticity?
Given a microservice that receives a JWT access token, which step correctly verifies the token's authenticity?
medium📝 Analysis Q4 of 15
Step-by-Step Solution
Solution:
Step 1: Understand JWT token verification
JWT tokens are verified by checking their signature with the issuer's public key.Step 2: Identify the correct verification method
Verifying the signature ensures the token was issued by a trusted Authorization Server and not tampered with.Final Answer:
Check the token signature using the Authorization Server's public key -> Option CQuick Check:
JWT verification = Signature check with public key [OK]
Quick Trick: Always verify JWT signature with public key before trusting token [OK]
Common Mistakes:
MISTAKES- Trusting decoded payload without signature verification
- Sending token to Resource Server for validation (not standard)
- Storing tokens for verification instead of verifying signature
Master "Authentication and Authorization" in Microservices
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