diff --git a/bindings/matrix-sdk-crypto-ffi/src/lib.rs b/bindings/matrix-sdk-crypto-ffi/src/lib.rs
index 12cb12fe8c5..e4b67c12097 100644
--- a/bindings/matrix-sdk-crypto-ffi/src/lib.rs
+++ b/bindings/matrix-sdk-crypto-ffi/src/lib.rs
@@ -812,7 +812,7 @@ mod uniffi_types {
             RequestVerificationResult, StartSasResult, Verification, VerificationRequest,
         },
         BackupKeys, CrossSigningKeyExport, CrossSigningStatus, DecryptedEvent, EncryptionSettings,
-        RoomKeyCounts,
+        EventEncryptionAlgorithm, RoomKeyCounts, RoomSettings,
     };
 }
 
diff --git a/bindings/matrix-sdk-crypto-ffi/src/machine.rs b/bindings/matrix-sdk-crypto-ffi/src/machine.rs
index fbade20e9d2..bc218f42be3 100644
--- a/bindings/matrix-sdk-crypto-ffi/src/machine.rs
+++ b/bindings/matrix-sdk-crypto-ffi/src/machine.rs
@@ -572,7 +572,7 @@ impl OlmMachine {
     /// set_room_only_allow_trusted_devices) methods.
     pub fn get_room_settings(
         &self,
-        room_id: &str,
+        room_id: String,
     ) -> Result<Option<RoomSettings>, CryptoStoreError> {
         let room_id = RoomId::parse(room_id)?;
         let settings = self
@@ -587,7 +587,7 @@ impl OlmMachine {
     /// available variants
     pub fn set_room_algorithm(
         &self,
-        room_id: &str,
+        room_id: String,
         algorithm: EventEncryptionAlgorithm,
     ) -> Result<(), CryptoStoreError> {
         let room_id = RoomId::parse(room_id)?;
@@ -614,7 +614,7 @@ impl OlmMachine {
     /// set_only_allow_trusted_devices) method.
     pub fn set_room_only_allow_trusted_devices(
         &self,
-        room_id: &str,
+        room_id: String,
         only_allow_trusted_devices: bool,
     ) -> Result<(), CryptoStoreError> {
         let room_id = RoomId::parse(room_id)?;
diff --git a/bindings/matrix-sdk-crypto-ffi/src/olm.udl b/bindings/matrix-sdk-crypto-ffi/src/olm.udl
index 679e504e3cf..edaa4097c2f 100644
--- a/bindings/matrix-sdk-crypto-ffi/src/olm.udl
+++ b/bindings/matrix-sdk-crypto-ffi/src/olm.udl
@@ -467,3 +467,8 @@ dictionary PickledInboundGroupSession {
     boolean imported;
     boolean backed_up;
 };
+
+dictionary RoomSettings {
+    EventEncryptionAlgorithm algorithm;
+    boolean only_allow_trusted_devices;
+};
\ No newline at end of file
diff --git a/crates/matrix-sdk-crypto/src/store/mod.rs b/crates/matrix-sdk-crypto/src/store/mod.rs
index 784f34bd807..bbdfc8846ec 100644
--- a/crates/matrix-sdk-crypto/src/store/mod.rs
+++ b/crates/matrix-sdk-crypto/src/store/mod.rs
@@ -733,7 +733,10 @@ impl Store {
     ///
     /// Any users not already on the list are flagged as awaiting a key query.
     /// Users that were already in the list are unaffected.
-    pub(crate) async fn update_tracked_users(&self, users: impl Iterator<Item = &UserId>) -> Result<()> {
+    pub(crate) async fn update_tracked_users(
+        &self,
+        users: impl Iterator<Item = &UserId>,
+    ) -> Result<()> {
         self.load_tracked_users().await?;
 
         let mut store_updates = Vec::new();
diff --git a/crates/matrix-sdk-indexeddb/src/crypto_store.rs b/crates/matrix-sdk-indexeddb/src/crypto_store.rs
index 1d5c6cc6fbd..17a2b60149d 100644
--- a/crates/matrix-sdk-indexeddb/src/crypto_store.rs
+++ b/crates/matrix-sdk-indexeddb/src/crypto_store.rs
@@ -167,7 +167,6 @@ impl IndexeddbCryptoStore {
                 db.create_object_store(keys::SECRET_REQUESTS_BY_INFO)?;
 
                 db.create_object_store(keys::BACKUP_KEYS)?;
-
             } else if old_version < 1.1 {
                 // We changed how we store inbound group sessions, the key used to
                 // be a trippled of `(room_id, sender_key, session_id)` now it's a
@@ -550,10 +549,10 @@ impl_crypto_store! {
         }
 
         if !room_settings_changes.is_empty() {
-            let settings_store = tx.object_store(KEYS::ROOM_SETTINGS)?;
+            let settings_store = tx.object_store(keys::ROOM_SETTINGS)?;
 
             for (room_id, settings) in &room_settings_changes {
-                let key = self.encode_key(KEYS::ROOM_SETTINGS, room_id);
+                let key = self.encode_key(keys::ROOM_SETTINGS, room_id);
                 let value = self.serialize_value(&settings)?;
                 settings_store.put_key_val(&key, &value)?;
             }
@@ -973,11 +972,11 @@ impl_crypto_store! {
     }
 
     async fn get_room_settings(&self, room_id: &RoomId) -> Result<Option<RoomSettings>> {
-        let key = self.encode_key(KEYS::ROOM_SETTINGS, room_id);
+        let key = self.encode_key(keys::ROOM_SETTINGS, room_id);
         Ok(self
             .inner
-            .transaction_on_one_with_mode(KEYS::ROOM_SETTINGS, IdbTransactionMode::Readonly)?
-            .object_store(KEYS::ROOM_SETTINGS)?
+            .transaction_on_one_with_mode(keys::ROOM_SETTINGS, IdbTransactionMode::Readonly)?
+            .object_store(keys::ROOM_SETTINGS)?
             .get(&key)?
             .await?
             .map(|v| self.deserialize_value(v))
@@ -987,8 +986,8 @@ impl_crypto_store! {
     async fn get_custom_value(&self, key: &str) -> Result<Option<Vec<u8>>> {
         Ok(self
             .inner
-            .transaction_on_one_with_mode(KEYS::CORE, IdbTransactionMode::Readonly)?
-            .object_store(KEYS::CORE)?
+            .transaction_on_one_with_mode(keys::CORE, IdbTransactionMode::Readonly)?
+            .object_store(keys::CORE)?
             .get(&JsValue::from_str(key))?
             .await?
             .map(|v| self.deserialize_value(v))
@@ -998,8 +997,8 @@ impl_crypto_store! {
     async fn set_custom_value(&self, key: &str, value: Vec<u8>) -> Result<()> {
         self
             .inner
-            .transaction_on_one_with_mode(KEYS::CORE, IdbTransactionMode::Readwrite)?
-            .object_store(KEYS::CORE)?
+            .transaction_on_one_with_mode(keys::CORE, IdbTransactionMode::Readwrite)?
+            .object_store(keys::CORE)?
             .put_key_val(&JsValue::from_str(key), &self.serialize_value(&value)?)?;
         Ok(())
     }