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Can You Trust GPT — When It’s Off-Topic and Wrong?

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I will be demo’ing some AI and Cybersecurity over the next few weeks. So, let’s see if GPT actually has superficial knowledge or not. Let’s ask a fairly trivial question of:

The answer looks to be well written — although rather lacking any type of style. It is bland and just looks like a standard Stack Overflow answer. But, while it seems authoritative, it is poorly described:

In ECC, the public key is a point on an elliptic curve, and the private key is a random number. To encrypt a message, the sender computes a point on the elliptic curve using the receiver’s public key and then uses this point to derive a shared secret key. The sender then uses this shared secret key to encrypt the message, which can only be decrypted by the receiver, who knows the corresponding private key.

For a simple answer, it is acceptable but misses a good deal — as the short answers it gives tend to generalise things. And when it comes to why the security is better, it can only say that the keys are smaller — and which goes off-topic :

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Prof Bill Buchanan OBE FRSE
ASecuritySite: When Bob Met Alice

Professor of Cryptography. Serial innovator. Believer in fairness, justice & freedom. Based in Edinburgh. Old World Breaker. New World Creator. Building trust.