57   std::string kdf =  in GetKdfContext()
84 std::string Errno() { return std::string(": ") + strerror(errno); }  in Errno()
87 void DeleteRecursively(const std::string &path) {  in DeleteRecursively()
98       std::string filename(entry->d_name);  in DeleteRecursively()
121 std::string BytesToHex(const std::vector<uint8_t> &bytes) {  in BytesToHex()
144 static bool GetFsBlockDeviceAndType(const std::string &mountpoint,  in GetFsBlockDeviceAndType()
145                                     std::string *fs_blk_device,  in GetFsBlockDeviceAndType()
146                                     std::string *fs_type) {  in GetFsBlockDeviceAndType()
170 static bool GetFilesystemUuid(const std::string &fs_blk_device,  in GetFilesystemUuid()
171                               const std::string &fs_type,  in GetFilesystemUuid()
235 static bool GetRawBlockDevice(const std::string &fs_blk_device,  in GetRawBlockDevice()
236                               std::string *raw_blk_device) {  in GetRawBlockDevice()
246   const std::optional<std::string> name =  in GetRawBlockDevice()
266   const std::string target_type = dm.GetTargetType(table[0].spec);  in GetRawBlockDevice()
274   std::optional<std::string> parent =  in GetRawBlockDevice()
285 bool GetFilesystemInfo(const std::string &mountpoint, FilesystemInfo *info) {  in GetFilesystemInfo()
340                                    const std::string &master_key_string,  in TryPrepareHwWrappedKey()
341                                    std::string *exported_key_string,  in TryPrepareHwWrappedKey()
351   std::string wrapped_key_blob;  in TryPrepareHwWrappedKey()
374   std::string master_key_string(master_key->begin(), master_key->end());  in CreateHwWrappedKey()
375   std::string exported_key_string;  in CreateHwWrappedKey()