src/Robin/Ntlm/Message/NtlmV2AuthenticateMessageEncoder.php
public function encode(
        $username,
        $nt_domain,
        $client_hostname,
        CredentialInterface $credential,
        ServerChallenge $server_challenge
    ) {
        $negotiate_flags = $server_challenge->getNegotiateFlags();
        $server_challenge_nonce = $server_challenge->getNonce();
        $target_info = $server_challenge->getTargetInfo();
        $target_name = $this->identifyTargetName($username, $nt_domain, $server_challenge);

        // Generate a client challenge
        $client_challenge = $this->random_byte_generator->generate(static::CLIENT_CHALLENGE_LENGTH);

        // Encode the "blob"
        $binary_blob = $this->encodeBlob(new DateTime(), $client_challenge, $target_info);

        if ($credential->isPlaintext()) {
            $nt_hash = $this->nt_hasher->hash($credential, $username, $target_name);
        } elseif ($credential instanceof HashCredentialInterface && HashType::NT_V2 === $credential->getType()) {
            $nt_hash = $credential;
        } else {
            throw new InvalidArgumentException('Unsupported hash credential type');
        }

        $lm_challenge_response = $this->calculateLmResponse(
            $nt_hash,
            $client_challenge,
            $server_challenge_nonce
        );

        $nt_proof_string = $this->calculateNtProofString($nt_hash, $server_challenge_nonce, $binary_blob);

        $nt_challenge_response = ($nt_proof_string . $binary_blob);

        // TODO: Generate an encrypted random session key
        $session_key = '';

        return $this->encodeBinaryMessageString(
            $negotiate_flags,
            $lm_challenge_response,
            $nt_challenge_response,
            $target_name,
            $username,
            $client_hostname,
            $session_key
        );
    }
public function encode(
        $username,
        $nt_domain,
        $client_hostname,
        CredentialInterface $credential,
        ServerChallenge $server_challenge
    ) {
        $negotiate_flags = $server_challenge->getNegotiateFlags();
        $server_challenge_nonce = $server_challenge->getNonce();
        $target_info = $server_challenge->getTargetInfo();
        $target_name = $this->identifyTargetName($username, $nt_domain, $server_challenge);

        // Generate a client challenge
        $client_challenge = $this->random_byte_generator->generate(static::CLIENT_CHALLENGE_LENGTH);

        // Encode the "blob"
        $binary_blob = $this->encodeBlob(new DateTime(), $client_challenge, $target_info);

        if ($credential->isPlaintext()) {
            $nt_hash = $this->nt_hasher->hash($credential, $username, $target_name);
        } elseif ($credential instanceof HashCredentialInterface && HashType::NT_V2 === $credential->getType()) {
            $nt_hash = $credential;
        } else {
            throw new InvalidArgumentException('Unsupported hash credential type');
        }

        $lm_challenge_response = $this->calculateLmResponse(
            $nt_hash,
            $client_challenge,
            $server_challenge_nonce
        );

        $nt_proof_string = $this->calculateNtProofString($nt_hash, $server_challenge_nonce, $binary_blob);

        $nt_challenge_response = ($nt_proof_string . $binary_blob);

        // TODO: Generate an encrypted random session key
        $session_key = '';

        return $this->encodeBinaryMessageString(
            $negotiate_flags,
            $lm_challenge_response,
            $nt_challenge_response,
            $target_name,
            $username,
            $client_hostname,
            $session_key
        );
    }
{@inheritDoc}