223 static bool CommitUpgradedKey(Keymaster& keymaster, const std::string& dir) {  in CommitUpgradedKey()  argument
224     auto blob_file = dir + "/" + kFn_keymaster_key_blob;  in CommitUpgradedKey()
225     auto upgraded_blob_file = dir + "/" + kFn_keymaster_key_blob_upgraded;  in CommitUpgradedKey()
235     if (!FsyncDirectory(dir)) return false;  in CommitUpgradedKey()
254     for (auto& dir : key_dirs_to_commit) {  in DeferredCommitKeys()  local
255         LOG(INFO) << "Committing upgraded key " << dir;  in DeferredCommitKeys()
256         CommitUpgradedKey(keymaster, dir);  in DeferredCommitKeys()
263 static bool IsKeyCommitPending(const std::string& dir) {  in IsKeyCommitPending()  argument
265         if (IsSameFile(dir, dir_to_commit)) return true;  in IsKeyCommitPending()
272 static void ScheduleKeyCommit(const std::string& dir) {  in ScheduleKeyCommit()  argument
274     key_dirs_to_commit.push_back(dir);  in ScheduleKeyCommit()
277 static void CancelPendingKeyCommit(const std::string& dir) {  in CancelPendingKeyCommit()  argument
280         if (IsSameFile(*it, dir)) {  in CancelPendingKeyCommit()
281             LOG(DEBUG) << "Cancelling pending commit of upgraded key " << dir  in CancelPendingKeyCommit()
329 static KeymasterOperation BeginKeymasterOp(Keymaster& keymaster, const std::string& dir,  in BeginKeymasterOp()  argument
336     auto blob_file = dir + "/" + kFn_keymaster_key_blob;  in BeginKeymasterOp()
337     auto upgraded_blob_file = dir + "/" + kFn_keymaster_key_blob_upgraded;  in BeginKeymasterOp()
342     bool already_upgraded = IsKeyCommitPending(dir);  in BeginKeymasterOp()
370         ScheduleKeyCommit(dir);  in BeginKeymasterOp()
372         if (!CommitUpgradedKey(keymaster, dir)) return KeymasterOperation();  in BeginKeymasterOp()
378 static bool encryptWithKeymasterKey(Keymaster& keymaster, const std::string& dir,  in encryptWithKeymasterKey()  argument
386     auto opHandle = BeginKeymasterOp(keymaster, dir, keyParams, opParams, &outParams);  in encryptWithKeymasterKey()
406 static bool decryptWithKeymasterKey(Keymaster& keymaster, const std::string& dir,  in decryptWithKeymasterKey()  argument
415     auto opHandle = BeginKeymasterOp(keymaster, dir, keyParams, opParams, nullptr);  in decryptWithKeymasterKey()
575 bool storeKey(const std::string& dir, const KeyAuthentication& auth, const KeyBuffer& key) {  in storeKey()  argument
576     if (TEMP_FAILURE_RETRY(mkdir(dir.c_str(), 0700)) == -1) {  in storeKey()
577         PLOG(ERROR) << "key mkdir " << dir;  in storeKey()
580     if (!writeStringToFile(kCurrentVersion, dir + "/" + kFn_version)) return false;  in storeKey()
582     if (!createSecdiscardable(dir + "/" + kFn_secdiscardable, &secdiscardable_hash)) return false;  in storeKey()
584     if (!writeStringToFile(stretching, dir + "/" + kFn_stretching)) return false;  in storeKey()
593         if (!writeStringToFile(kmKey, dir + "/" + kFn_keymaster_key_blob)) return false;  in storeKey()
595         if (!encryptWithKeymasterKey(keymaster, dir, keyParams, key, &encryptedKey)) return false;  in storeKey()
599     if (!writeStringToFile(encryptedKey, dir + "/" + kFn_encrypted_key)) return false;  in storeKey()
600     if (!FsyncDirectory(dir)) return false;  in storeKey()
625 bool retrieveKey(const std::string& dir, const KeyAuthentication& auth, KeyBuffer* key) {  in retrieveKey()  argument
627     if (!readFileToString(dir + "/" + kFn_version, &version)) return false;  in retrieveKey()
633     if (!readSecdiscardable(dir + "/" + kFn_secdiscardable, &secdiscardable_hash)) return false;  in retrieveKey()
635     if (!readFileToString(dir + "/" + kFn_stretching, &stretching)) return false;  in retrieveKey()
639     if (!readFileToString(dir + "/" + kFn_encrypted_key, &encryptedMessage)) return false;  in retrieveKey()
644         if (!decryptWithKeymasterKey(keymaster, dir, keyParams, encryptedMessage, key))  in retrieveKey()
670 static bool recursiveDeleteKey(const std::string& dir) {  in recursiveDeleteKey()  argument
671     if (ForkExecvp(std::vector<std::string>{kRmPath, "-rf", dir}) != 0) {  in recursiveDeleteKey()
678 bool destroyKey(const std::string& dir) {  in destroyKey()  argument
681     CancelPendingKeyCommit(dir);  in destroyKey()
686         dir + "/" + kFn_encrypted_key,  in destroyKey()
687         dir + "/" + kFn_secdiscardable,  in destroyKey()
692         auto blob_file = dir + "/" + fn;  in destroyKey()
702     success &= recursiveDeleteKey(dir);  in destroyKey()