cppcryptfs
Mounts a gocryptfs-encrypted folder as a Windows drive letter, encrypting file contents and names transparently.
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Package managers
- Chocolatey
choco install cppcryptfs
About cppcryptfs
cppcryptfs is a C++ implementation of the gocryptfs filesystem for Windows, and it is compatible with it: a filesystem created by one can generally be mounted and synced by the other. That matters if you use Linux and Windows, or keep an encrypted folder in cloud storage reachable from both.
You create an encrypted filesystem in a folder, protect it with a password, and mounting it gives you a new drive letter with an unencrypted view. Encryption and decryption happen on the fly and are transparent to applications. It uses the Dokany driver to provide the virtual filesystem in user mode, so Dokany has to be installed.
The project makes one warning explicitly: only keep `gocryptfs.conf` in the cloud if your password is strong, because an attacker who obtains it can brute force offline.
Strengths
- Compatible with gocryptfs, so the same encrypted folder works on Linux and Windows
- Encrypts file contents and file names, transparently to applications
- Per-file encryption means cloud sync only uploads what changed
- Portable builds for x64 and ARM64 Windows
Limitations
- Requires the Dokany filesystem driver to be installed separately
- Windows only
- The project warns that storing gocryptfs.conf in the cloud needs a very strong password
- Directory structure and file sizes remain visible to whoever holds the encrypted folder
Details
- Pricing
- Free · Free and open source under the MIT licence.
- License
- MIT
- Developer
- bailey27
- Platforms
- Windows
- How it runs
- Downloadable app
- Account
- Not required
- Works offline
- Yes
- Best suited for
- Keeping an encrypted folder in cloud storage that both Windows and Linux can open
- Categories
- Encryption tools
- Last verified
- Added
- Provenance
- Selected from the TechWalrus downloads catalog (Security); facts checked against the developer's own pages, 3 sources on file.