Challenge/Dns/DnsDataExtractor.php
public function getRecordValue(AuthorizationChallenge $authorizationChallenge)
    {
        return $this->encoder->encode(hash('sha256', $authorizationChallenge->getPayload(), true));
    }
public function getRecordValue(AuthorizationChallenge $authorizationChallenge)
    {
        return $this->encoder->encode(hash('sha256', $authorizationChallenge->getPayload(), true));
    }
public function getRecordValue ( AuthorizationChallenge $ authorizationChallenge ) { return $ this -> encoder -> encode ( hash ( 'sha256' , $ authorizationChallenge -> getPayload ( ) , true ) ) ; }
Retrieves the value of the TXT record to register.

@param AuthorizationChallenge $authorizationChallenge

@return string
Retrieves the value of the TXT record to register .