Method is_zero

nodedb-cluster/src/rpc_codec/mac.rs:72–74

Whether this key is the all-zero sentinel. Insecure transports skip replay-detection telemetry accordingly.

(&self)

    /// Whether this key is the all-zero sentinel. Insecure transports
    /// skip replay-detection telemetry accordingly.
    pub fn is_zero(&self) -> bool {
        self.0 == [0u8; MAC_LEN]
    }
}

/// Redacted `Debug` — never print key bytes.