193     public static function setImplicitCurve(BaseCurve $curve)  argument
195         self::$implicitCurve = $curve;
211             $curve = '\phpseclib3\Crypt\EC\Curves\\' . $params['namedCurve'];
212             if (!class_exists($curve)) {
215             return new $curve();
227                     $curve = new PrimeCurve();
228                     $curve->setModulo($data['fieldID']['parameters']);
229                     $curve->setCoefficients(
233                     $point = self::extractPoint("\0" . $data['base'], $curve);
234                     $curve->setBasePoint(...$point);
235                     $curve->setOrder($data['order']);
236                     return $curve;
238                     $curve = new BinaryCurve();
254                     $curve->setModulo(...$modulo);
256                     $curve->setCoefficients(
260                     $point = self::extractPoint("\0" . $data['base'], $curve);
261                     $curve->setBasePoint(...$point);
262                     $curve->setOrder($data['order']);
263                     return $curve;
280     public static function extractPoint($str, BaseCurve $curve)  argument
282         if ($curve instanceof TwistedEdwardsCurve) {
291             if ($y->compare($curve->getModulo()) >= 0) {
294             $point = $curve->recoverX($y, $sign);
295             if (!$curve->verifyPoint($point)) {
311         $order = $curve->getLengthInBytes();
314             return $curve->derivePoint($str);
325                 $curve->convertInteger(new BigInteger($x, 256)),
326                 $curve->convertInteger(new BigInteger($y, 256))
329             if (!$curve->verifyPoint($point)) {
348 …private static function encodeParameters(BaseCurve $curve, $returnArray = false, array $options = …  argument
352         $reflect = new \ReflectionClass($curve);
380                         if (!$candidate->getModulo()->equals($curve->getModulo())) {
383                         if ($candidate->getA()->toBytes() != $curve->getA()->toBytes()) {
386                         if ($candidate->getB()->toBytes() != $curve->getB()->toBytes()) {
391                         list($curveX, $curveY) = $curve->getBasePoint();
406                         if ($candidate->getModulo() != $curve->getModulo()) {
409                         if ($candidate->getA()->toBytes() != $curve->getA()->toBytes()) {
412                         if ($candidate->getB()->toBytes() != $curve->getB()->toBytes()) {
417                         list($curveX, $curveY) = $curve->getBasePoint();
432         $order = $curve->getOrder();
439         $point = $curve->getBasePoint();
443         if ($curve instanceof PrimeCurve) {
460                     'parameters' => $curve->getModulo()
463                     'a' => $curve->getA()->toBytes(),
464                     'b' => $curve->getB()->toBytes()
474         if ($curve instanceof BinaryCurve) {
475             $modulo = $curve->getModulo();
502             $a = ltrim($curve->getA()->toBytes(), "\0");
506             $b = ltrim($curve->getB()->toBytes(), "\0");