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Cryptography

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    $\begingroup$ "It is widely known that elliptic curve Diffie-Hellman is vulnerable to maliciously crafted public keys, where a honestly generated private key combined with a malicious public key may result in predictable output." Actually, there are well known ways to protect against that. For prime order curves (e.g. P256), all you need to do is verify that the public key is a point on the curve (and not the point at infinity). $\endgroup$ Commented 6 hours ago
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    $\begingroup$ @poncho nit: the criterion is cofactor=1; all the X9/SECG $F_p$ curves were so chosen, as were Brainpool's, but not Bernstein's 25519 and 448 and possibly others. $\endgroup$ Commented 1 hour ago