sodium_crypto_box_publickey_from_secretkey

(PHP 7 >= 7.2.0, PHP 8)

sodium_crypto_box_publickey_from_secretkeyCalculate the public key from a secret key

Descripción

sodium_crypto_box_publickey_from_secretkey(string $secret_key): string

Given a secret key, calculate the corresponding public key.

This only works with the type of keys intended for use with crypto_box() (which uses Elliptic Curve Diffie-Hellman over the Montgomery curve, Curve25519; abbreviated as X25519), not crypto_sign() (which uses Edwards Digital Signature Algorithm over the Edwards Curve with the corresponding paramaters; abbreviated Ed25519).

Parámetros

secret_key

X25519 secret key

Valores devueltos

X25519 public key.

add a note add a note

User Contributed Notes

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