ParagonIE_Sodium_Core_Curve25519::ge_p2_dbl() │ public static │ WP 1.0

{} Это метод класса: ParagonIE_Sodium_Core_Curve25519{}

Хуков нет.

Возвращает

ParagonIE_Sodium_Core_Curve25519_Ge_P1p1.

Использование

$result = ParagonIE_Sodium_Core_Curve25519::ge_p2_dbl( $p );
$p(ParagonIE_Sodium_Core_Curve25519_Ge_P2) (обязательный)
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Код ParagonIE_Sodium_Core_Curve25519::ge_p2_dbl() WP 6.0

wp-includes/sodium_compat/src/Core/Curve25519.php 
public static function ge_p2_dbl(ParagonIE_Sodium_Core_Curve25519_Ge_P2 $p)
{
    $r = new ParagonIE_Sodium_Core_Curve25519_Ge_P1p1();

    $r->X = self::fe_sq($p->X);
    $r->Z = self::fe_sq($p->Y);
    $r->T = self::fe_sq2($p->Z);
    $r->Y = self::fe_add($p->X, $p->Y);
    $t0   = self::fe_sq($r->Y);
    $r->Y = self::fe_add($r->Z, $r->X);
    $r->Z = self::fe_sub($r->Z, $r->X);
    $r->X = self::fe_sub($t0, $r->Y);
    $r->T = self::fe_sub($r->T, $r->Z);

    return $r;
}