PHP 8.1.0 RC 4 available for testing


(PHP 7 >= 7.2.0, PHP 8)

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


sodium_crypto_scalarmult(string $n, string $p): string

Elliptic Curve Diffie-Hellman. Calculates scalar n times point p, on an elliptic curve.

Liste de param├Ętres


scalar, which is typically a secret key


point (x-coordinate), which is typically a public key

Valeurs de retour

A 32-byte random string.

add a note add a note

User Contributed Notes

There are no user contributed notes for this page.
To Top