/**
* @param PrivateKeyInterface $privateKey
* @return Buffer
*/
public function serialize(PrivateKeyInterface $privateKey)
{
$multiplier = $privateKey->getSecretMultiplier();
return Buffer::hex($this->ecAdapter->getMath()->decHex($multiplier), 32);
}
/**
* @param EcAdapterInterface $ecAdapter
* @param PrivateKeyInterface $privateKey
* @param Buffer $messageHash
* @param string $algo
*/
public function __construct(EcAdapterInterface $ecAdapter, PrivateKeyInterface $privateKey, Buffer $messageHash, $algo = 'sha256')
{
$mdPk = new MdPrivateKey($ecAdapter->getMath(), $ecAdapter->getGenerator(), $privateKey->getSecretMultiplier());
$this->ecAdapter = $ecAdapter;
$this->hmac = new HmacRandomNumberGenerator($ecAdapter->getMath(), $mdPk, $messageHash->getInt(), $algo);
}
/**
* @param PrivateKeyInterface $privateKey
* @return \BitWasp\Bitcoin\Key\PublicKey
*/
public function privateToPublic(PrivateKeyInterface $privateKey)
{
return new PublicKey($this, $this->getGenerator()->mul($privateKey->getSecretMultiplier()), $privateKey->isCompressed());
}