No. Like I said, the candidate aced the interview. Holy, he knew what CBC was! Amazing!
Often you don't need confidentiality, and in those cases, HMAC can be a safer bet than a secure encrypted message format. You want to use HMAC though, not a simple hash with a secret key in it.
Often you don't need confidentiality, and in those cases, HMAC can be a safer bet than a secure encrypted message format. You want to use HMAC though, not a simple hash with a secret key in it.