Difficult:
I don't understand representing plaintext with the curve. I get the idea of needing to match the message to a point on the curve and then using elliptic curve operations on that point to obtain a ciphertext. What I don't understand is both what elliptic curve operations are done and also I didn't understand how the message is mapped to a point on the curve originally.
Reflective:
The elliptic curve method reminds me a lot of shamir secret sharing since both involve a linear equation and finding points on that line. It does seem especially important that it is extremely important to choose primes because if not we can easily factor the number.
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