Authentication Packets

Packets in the com.hypixel.hytale.protocol.packets.auth package.

Status (10)

Bound: Clientbound | State: Status

Returns server information for the server list ping.

Field	Type	Notes
motd	String	Message of the Day.
playerCount	Int	Current players.
maxPlayers	Int	Max slots.
membersOnly	Boolean	If true, restricts access.

AuthGrant (11)

Bound: Clientbound | State: Login

Server provides the OAuth grant to the client.

Field	Type	Notes
grant	String	The authorization grant code (Max 4096).
identity	String	The server's identity JWT (Max 8192).

AuthToken (12)

Bound: Serverbound | State: Login

Client sends the obtained access token back to the server.

Field	Type	Notes
nullBits	Byte	Bitmask.
accessToken	String	Optional (Mask 0x1). The raw access token.
serverGrant	String	Optional (Mask 0x2). The grant code.

ServerAuthToken (13)

Bound: Clientbound | State: Login

Finalizes the login process.

Field	Type	Notes
serverToken	String	The confirmed server session token.

ConnectAccept (14)

Bound: Clientbound | State: Login

Used when falling back to password authentication.

Field	Type	Notes
salt	Byte[]	Salt for hashing the password.
challenge	Byte[]	Random challenge bytes.

PasswordResponse (15)

Bound: Serverbound | State: Login

Field	Type	Notes
hash	Byte[]	The hashed password response.

PasswordAccepted (16)

Bound: Clientbound | State: Login

Payload is empty. Signals successful password login.

PasswordRejected (17)

Bound: Clientbound | State: Login

Field	Type	Notes
attemptsLeft	Int	Remaining retries allowed.

ClientReferral (18)

Bound: Serverbound | State: Login

Field	Type	Notes
source	HostAddress	Hostname/IP used to join.