sodium_crypto_scalarmult

Compute a shared secret given a user's secret key and another user's public key

Description

string sodium_crypto_scalarmult(string $n, string $p)

Elliptic 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.