sodium_crypto_scalarmult
(PHP 7 >= 7.2.0, PHP 8)
sodium_crypto_scalarmult — Compute a shared secret given a user's secret key and another user's public key
Description
sodium_crypto_scalarmult(string
$n, string $p): stringElliptic Curve Diffie-Hellman. Calculates scalar n times point p, on an elliptic curve.
Parameters
-
n -
scalar, which is typically a secret key
-
p -
point (x-coordinate), which is typically a public key
Return Values
A 32-byte random string.
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