422 static std::string getStretching(const KeyAuthentication& auth) {  in getStretching()  argument
423     if (auth.usesKeymaster()) {  in getStretching()
447 static bool generateAppId(const KeyAuthentication& auth, const std::string& stretching,  in generateAppId()  argument
450     if (!stretchSecret(stretching, auth.secret, &stretched)) return false;  in generateAppId()
575 bool storeKey(const std::string& dir, const KeyAuthentication& auth, const KeyBuffer& key) {  in storeKey()  argument
583     std::string stretching = getStretching(auth);  in storeKey()
586     if (!generateAppId(auth, stretching, secdiscardable_hash, &appId)) return false;  in storeKey()
588     if (auth.usesKeymaster()) {  in storeKey()
605                         const KeyAuthentication& auth, const KeyBuffer& key) {  in storeKeyAtomically()  argument
614     if (!storeKey(tmp_path, auth, key)) return false;  in storeKeyAtomically()
625 bool retrieveKey(const std::string& dir, const KeyAuthentication& auth, KeyBuffer* key) {  in retrieveKey()  argument
637     if (!generateAppId(auth, stretching, secdiscardable_hash, &appId)) return false;  in retrieveKey()
640     if (auth.usesKeymaster()) {  in retrieveKey()