use tls_codec::{TlsDeserialize, TlsSerialize, TlsSize, VLBytes};
use super::{Deserialize, Serialize};
/// # Application Identifiers
///
/// Within MLS, a KeyPackage is identified by its hash ([`KeyPackageRef`](`crate::ciphersuite::hash_ref::KeyPackageRef`)).
/// The application id extension allows applications to add an explicit,
/// application-defined identifier to a KeyPackage.
#[derive(
PartialEq, Eq, Clone, Debug, Serialize, Deserialize, TlsSerialize, TlsDeserialize, TlsSize,
)]
pub struct ApplicationIdExtension {
key_id: VLBytes,
}
impl ApplicationIdExtension {
/// Create a new key identifier extension from a byte slice.
pub fn new(id: &[u8]) -> Self {
Self { key_id: id.into() }
}
/// Get the value of the key id as byte slice.
pub fn as_slice(&self) -> &[u8] {
self.key_id.as_slice()
}
}