419 static std::string getStretching(const KeyAuthentication& auth) {  in getStretching()  argument
420     if (auth.usesKeymaster()) {  in getStretching()
444 static bool generateAppId(const KeyAuthentication& auth, const std::string& stretching,  in generateAppId()  argument
447     if (!stretchSecret(stretching, auth.secret, &stretched)) return false;  in generateAppId()
572 bool storeKey(const std::string& dir, const KeyAuthentication& auth, const KeyBuffer& key) {  in storeKey()  argument
580     std::string stretching = getStretching(auth);  in storeKey()
583     if (!generateAppId(auth, stretching, secdiscardable_hash, &appId)) return false;  in storeKey()
585     if (auth.usesKeymaster()) {  in storeKey()
602                         const KeyAuthentication& auth, const KeyBuffer& key) {  in storeKeyAtomically()  argument
611     if (!storeKey(tmp_path, auth, key)) return false;  in storeKeyAtomically()
622 bool retrieveKey(const std::string& dir, const KeyAuthentication& auth, KeyBuffer* key) {  in retrieveKey()  argument
634     if (!generateAppId(auth, stretching, secdiscardable_hash, &appId)) return false;  in retrieveKey()
637     if (auth.usesKeymaster()) {  in retrieveKey()