ParagonIE_Sodium_Core32_Curve25519::ge_p2_dbl( ParagonIE_Sodium_Core32_Curve25519_Ge_P2 $p ): ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1

1656    public static function ge_p2_dbl(ParagonIE_Sodium_Core32_Curve25519_Ge_P2 $p)1657    {1658        $r = new ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1();1659 1660        $r->X = self::fe_sq($p->X);1661        $r->Z = self::fe_sq($p->Y);1662        $r->T = self::fe_sq2($p->Z);1663        $r->Y = self::fe_add($p->X, $p->Y);1664        $t0   = self::fe_sq($r->Y);1665        $r->Y = self::fe_add($r->Z, $r->X);1666        $r->Z = self::fe_sub($r->Z, $r->X);1667        $r->X = self::fe_sub($t0, $r->Y);1668        $r->T = self::fe_sub($r->T, $r->Z);1669 1670        return $r;1671    }