ParagonIE_Sodium_Core32_Curve25519::fe_neg() public WP 1.0
Get the negative values for each piece of the field element.
h = -f
{} It's a method of the class: ParagonIE_Sodium_Core32_Curve25519{}
No Hooks.
Return
ParagonIE_Sodium_Core32_Curve25519_Fe
. Null. Nothing.
Usage
$result = ParagonIE_Sodium_Core32_Curve25519::fe_neg( $f );
- $f(ParagonIE_Sodium_Core32_Curve25519_Fe) (required)
- -
Code of ParagonIE_Sodium_Core32_Curve25519::fe_neg() ParagonIE Sodium Core32 Curve25519::fe neg WP 5.7
public static function fe_neg(ParagonIE_Sodium_Core32_Curve25519_Fe $f)
{
$h = new ParagonIE_Sodium_Core32_Curve25519_Fe();
for ($i = 0; $i < 10; ++$i) {
$h[$i] = $h[$i]->subInt32($f[$i]);
}
return $h;
}