# `Common.Message.AuthKey`
[🔗](https://github.com/fancydrones/xmavlink/blob/main/lib/common.ex#L2655)

# `t`

```elixir
@type t() :: %Common.Message.AuthKey{key: [char()]}
```

Emit an encrypted signature / key identifying this system. PLEASE NOTE: This protocol has been kept simple, so transmitting the key requires an encrypted channel for true safety.

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*Consult [api-reference.md](api-reference.md) for complete listing*