sodium_crypto_core_ristretto255_is_valid_point
(PHP 8 >= 8.1.0)
sodium_crypto_core_ristretto255_is_valid_point — Determines if a point on the ristretto255 curve
Description
Determines if a point on the ristretto255 curve, in canonical form, on the main subgroup, and that the point doesn't have a small order. Available as of libsodium 1.0.18.
Avertissement
Cette fonction est actuellement non documentée ; seule la liste des arguments est disponible.
Liste de paramètres
-
s -
An Elliptic-curve point.
Valeurs de retour
Returns true if s is on the ristretto255 curve, false otherwise.
Exemples
Exemple #1 sodium_crypto_core_ristretto255_is_valid_point() example
<?php
$foo = sodium_crypto_core_ristretto255_scalar_random();
$bar = sodium_crypto_scalarmult_ristretto255_base($foo);
var_dump(sodium_crypto_core_ristretto255_is_valid_point($bar));
?>L'exemple ci-dessus va afficher :
bool(true)
Voir aussi
- sodium_crypto_core_ristretto255_scalar_random() - Generates a random key
- sodium_crypto_scalarmult_ristretto255_base() - Calculates the public key from a secret key
add a note
User Contributed Notes
There are no user contributed notes for this page.
