Note: you have to install GnuPG yourself.
cryptsync /useGPG uses GnuPG for the encryption. decryptonly like /mirrorback, but does not synchronize deletions.
Encrypted folder backup password#
This parameter is not optional! /pw:"password" specifies the password used for the encryption /cpy:"pattern" file pattern of files that are copied only, not encrypted /nsy:"pattern" file pattern of files that are not synched at all /encnames if specified, the file and foldernames are also encrypted in the destination folder /encnamesNew if specified, the file and foldernames are also encrypted in the destination folder with the new filename encryption /mirror if specified, the source folder is synched to the destination folder but changes in the destination folder are not synchronized back to the source folder /mirrorback if specified, the destination folder is synched back to the source folder, but changes in the source folder are not synchronized to the destination folder. This parameter is not optional! /dst:"path" specifies the path to the destination folder where the encrypted files are located. The following options are available: /src:"path" specifies the path to the source folder where the unencrypted files are located. Command Line OptionsĬryptSync can also be used from the command line. It will not keep running in the background. Exit Closes the dialog and quits CryptSync. Once all folders are synchronized and up to date, CryptSync will exit and not run in the background. Sync files and exit This will synchronize all folder pairs while showing you the progress of the synchronization. This is also the only way to detect deletions of files. Once it detects a change, it will automatically synchronize that change immediately. CryptSync will run in the background and monitor all the folder pairs for changes. The main dialog has three buttons to dismiss it: Run in background This is the default.
Encrypted folder backup windows#
Because encrypting those names approximately doubles their length, and Windows has a limit of 255 chars per file or folder name. When encrypting the file and folder names without the new filename encryptions, you have to make sure that the original file and folder names are not longer than about 120 characters. Names of subfolders are encrypted as well. But remember that if you activate this option, you won't be able to tell what file is what if you ever need to access them from your cloud storage providers web interface. Since even filenames can reveal private information, you can have CryptSync also encrypt the filenames. Then enter the password that will be used to encrypt and decrypt your files.
To add a folder pair, click on the button and then enter the paths to both folders. When you first start CryptSync, the main dialog is shown where you have to set up the folders to synchronize. Please note that when using this option, the encrypted files can be larger than the original files and use up more space on your cloud drive. Optionally the encryption can be done using GnuPG. Of course you will then be asked to provide the password you used with CryptSync to open that file. That also means that if you ever need to access your encrypted files directly from the cloud, you can save them locally and just open them with 7-Zip or any other compression tool. That means you not only get encryption but also compression for free, which reduces the storage space you use in the cloud or the backup space on your external harddrive. The encryption is done using the LZMA SDK, which also compress them at the same time. The encrypted folder is usually located somewhere inside your cloud storage sync folder. The second folder of such a pair is the encrypted folder which is where the files get copied from the original folder and encrypted. One folder is called the original folder: that's where your unencrypted files are stored and where you work with your files. You can even use CryptSync from the command line to trigger your encrypted backups.ĬryptSync works by synchronizing folder pairs. Of course, you can use CryptSync for backups to an external drive as well. If you want to backup and encrypt your files to more than one cloud storage (just to be safe), you can do that as well: just set up two sync pairs with the original folder being the same for both pairs. Because even if the companies behind the cloud storage guarantee your privacy, it's always possible that your account gets hacked: so make sure you use a different password to encrypt the data with CryptSync than you use to login to your cloud storage provider! That means only uploading encrypted files to make sure no one else can access your data. If you want to use such cloud storage for backups, it's a good idea to keep your private data really private. This is best used together with cloud storage tools like OneDrive, DropBox or Google Drive.
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