Function wrap

chirpstack/src/backend/keywrap.rs:27–40

(label: &str, key: AES128Key)

}

pub fn wrap(label: &str, key: AES128Key) -> Result<KeyEnvelope> {
    if label.is_empty() {
        return KeyEnvelope::new("", None, &key.to_bytes());
    }

    let conf = config::get();
    for kek in &conf.keks {
        if kek.label == *label {
            return KeyEnvelope::new(label, Some(&kek.kek.to_bytes()), &key.to_bytes());
        }
    }

    Err(anyhow!("KEK label {} does not exist", label))
}