/**
* @param string $data
* {@inheritDoc}
* @see \Mdanter\Ecc\Serializer\PrivateKeySerializerInterface::parse()
* @throws \FG\ASN1\Exception\ParserException
*/
public function parse($data)
{
$asnObject = Object::fromBinary($data);
if (!$asnObject instanceof Sequence || $asnObject->getNumberofChildren() !== 4) {
throw new \RuntimeException('Invalid data.');
}
$children = $asnObject->getChildren();
$version = $children[0];
if ($version->getContent() != 1) {
throw new \RuntimeException('Invalid data: only version 1 (RFC5915) keys are supported.');
}
$key = $this->adapter->hexDec($children[1]->getContent());
$oid = $children[2]->getContent();
$generator = CurveOidMapper::getGeneratorFromOid($oid);
return $generator->getPrivateKeyFrom($key);
}
public function parse($binaryData)
{
$asnObject = Object::fromBinary($binaryData);
if (!$asnObject instanceof Sequence || $asnObject->getNumberofChildren() != 2) {
throw new \RuntimeException('Invalid data.');
}
$children = $asnObject->getChildren();
$oid = $children[0]->getChildren()[0];
$curveOid = $children[0]->getChildren()[1];
$encodedKey = $children[1];
if ($oid->getContent() !== DerPublicKeySerializer::X509_ECDSA_OID) {
throw new \RuntimeException('Invalid data: non X509 data.');
}
$generator = CurveOidMapper::getGeneratorFromOid($curveOid);
return $this->parseKey($generator, $encodedKey->getContent());
}
