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Update sample_ans.md

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Pavlos Papadopoulos
2022-02-25 10:15:28 +00:00
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unit05_key_exchange/lab/sample_ans.md
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@@ -144,15 +144,15 @@ By doing a search on the Internet, which curve does Bitcoin use?
Tor network, IoT, etc
### Can you explain how you would use these EC parameters to perform the ECDH key exchange?
Alice generates a, and then a value of a<sup>G</sup> (mod p).
Alice generates a, and then a value of aG (mod p).
Bob generates b, and then a value of b<sup>G</sup> (mod p).
Bob generates b, and then a value of bG (mod p).
Alice passes a<sup>G</sup> (mod p) to Bob.
Alice passes aG (mod p) to Bob.
Bob passes b<sup>G</sup> (mod p) to Alice.
Bob passes bG (mod p) to Alice.
Alice computes ab<sup>G</sup> (mod p), and Bob also computes ab<sup>G</sup> (mod p), and they have a shared secret.
Alice computes abG (mod p), and Bob also computes abG (mod p), and they have a shared secret.