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