[Cryptography] So please tell me. Why is my solution wrong?

[Joseph Kilcullen]

On 09-Feb-17 1:26 PM, Peter Fairbrother wrote:
> Replying to the rather rude Mr Kilcullen:
>

Apologies but being polite got me silence.

> ..... a pre-chosen graphic sent from server to user client.

Nope, the graphic resides on the user's computer. It is never 
transmitted over the network. If it was then it would be susceptible to 
MITM attacks.

So no, my solution is not SiteKey. Those references discuss SiteKey.

Thanks
Joseph
(I'll resist the temptation to pay you the £52... for now)