Type Alias soketto::handshake::WebSocketKey

pub type WebSocketKey = [u8; 24];

Owned value of the Sec-WebSocket-Key header.

Per RFC 6455:

(...) The value of this header field MUST be a
nonce consisting of a randomly selected 16-byte value that has
been base64-encoded (see Section 4 of [RFC4648]). (...)

Base64 encoding of the nonce produces 24 ASCII bytes, padding included.