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Messages for authentication protocol between a sender and a receiver.

Used in: DeviceAuthMessage

(message has no fields)

Used in: DeviceAuthMessage

required AuthError.ErrorType error_type = 1

Used in: AuthError

INTERNAL_ERROR = 0
NO_TLS = 1
The underlying connection is not TLS

Used in: DeviceAuthMessage

required bytes signature = 1
required bytes client_auth_certificate = 2
repeated bytes client_ca = 3

required CastMessage.ProtocolVersion protocol_version = 1
required string source_id = 2
source and destination ids identify the origin and destination of the message. They are used to route messages between endpoints that share a device-to-device channel. For messages between applications: - The sender application id is a unique identifier generated on behalf of the sender application. - The receiver id is always the the session id for the application. For messages to or from the sender or receiver platform, the special ids 'sender-0' and 'receiver-0' can be used. For messages intended for all endpoints using a given channel, the wildcard destination_id '*' can be used.
required string destination_id = 3
required string namespace = 4
This is the core multiplexing key. All messages are sent on a namespace and endpoints sharing a channel listen on one or more namespaces. The namespace defines the protocol and semantics of the message.
required CastMessage.PayloadType payload_type = 5
optional string payload_utf8 = 6
Depending on payload_type, exactly one of the following optional fields will always be set.
optional bytes payload_binary = 7

What type of data do we have in this message.

Used in: CastMessage

STRING = 0
BINARY = 1

Always pass a version of the protocol for future compatibility requirements.

Used in: CastMessage

CASTV2_1_0 = 0

optional AuthChallenge challenge = 1
Request fields
optional AuthResponse response = 2
Response fields
optional AuthError error = 3