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by ecesena
3173 days ago
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As far as I can see there's no mention to encryption, the OP describes how scalar multiplication works on elliptic curves. To encrypt/decrypt, for example, you can use the ElGamal scheme: https://en.wikipedia.org/wiki/ElGamal_encryption
(note that wikipedia uses the multiplicative notation, while in ECC typically additive notation is preferred, so you'll have to translate every A^x into xA -- but it's a good exercise.) |
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