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crypto: Document the exported key -> forwarded room key conversion methods.

master
Damir Jelić 2020-09-09 15:11:25 +02:00
parent 3e9b0a8e7f
commit e828828ace
1 changed files with 7 additions and 0 deletions
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7
matrix_sdk_crypto/src/olm/group_sessions/mod.rs
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@ -69,6 +69,12 @@ pub struct ExportedRoomKey {
impl TryInto<ForwardedRoomKeyEventContent> for ExportedRoomKey {
type Error = ();
/// Convert an exported room key into a content for a forwarded room key
/// event.
///
/// This will fail if the exported room key has multiple sender claimed keys
/// or if the algorithm of the claimed sender key isn't
/// `DeviceKeyAlgorithm::Ed25519`.
fn try_into(self) -> Result<ForwardedRoomKeyEventContent, Self::Error> {
if self.sender_claimed_keys.len() != 1 {
Err(())
@ -93,6 +99,7 @@ impl TryInto<ForwardedRoomKeyEventContent> for ExportedRoomKey {
}
impl From<ForwardedRoomKeyEventContent> for ExportedRoomKey {
/// Convert the content of a forwarded room key into a exported room key.
fn from(forwarded_key: ForwardedRoomKeyEventContent) -> Self {
let mut sender_claimed_keys: BTreeMap<DeviceKeyAlgorithm, String> = BTreeMap::new();
sender_claimed_keys.insert(