pub fn issue_token_bytes(
secret: &[u8; 32],
for_node: u64,
expiry_unix_secs: u64,
) -> Result<[u8; 48], TokenError>Expand description
Issue a new HMAC-SHA256 join token for for_node that expires at
expiry_unix_secs. Returns the raw token bytes (hex-encode for
printing or transmission).
Use token_to_hex to produce the hex string.