encfs を Homebrew, apk, apt, dnf, MacPorts, pacman, zypper でインストール

プロジェクトリンク

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• リポジトリ
• 上流ドキュメント
• パッケージマネージャページ

コマンドとエイリアス

• encfs
• encfsctl
• encfssh

プロジェクトの歴史

The EncFS README says it was first released in 2003, when FUSE was still young and kernel-module encrypted filesystems were harder to keep working across Linux upgrades. The author describes writing it as a CFS replacement for personal use and then releasing it as open source.

The project later became mature but mostly dormant. As of the README's February 2026 status note, the old C++ implementation had been removed from the main line and a Rust port was underway, with functional but alpha-status support and a warning to keep backups.

採用の歴史

EncFS found a place among Linux and Unix users who wanted encrypted directories without repartitioning disks or managing block devices. Its design also fit backup and sync workflows because encrypted filenames and encrypted file contents remain visible as ordinary files to the underlying filesystem.

The README is cautious about new deployments and points readers to newer alternatives such as GoCryptFS or full-disk encryption. That caution is part of EncFS's modern history: it remains important for existing data and compatibility, but it is no longer the default recommendation for fresh encrypted storage.

使われ方

The traditional workflow is to create or mount an encrypted root directory and a plaintext mount point with `encfs encrypted-dir mount-dir`. The control file in the encrypted directory identifies an existing filesystem; otherwise EncFS prompts to create one.

The design document explains that a volume key encrypts filenames and file contents, while the user's password protects that volume key. `encfsctl` exists for inspecting filesystems and changing the password without re-encrypting all stored data.

パッケージ好きにとっての重要性

EncFS is package-nerd significant because it sits at the awkward intersection of FUSE, crypto defaults, config-file compatibility, and old user data. The design document tracks several historical config formats, from `.encfs3` through `.encfs6.xml` and the newer v7 protobuf formats, which makes version behavior matter.

It is also a good example of a package that should not be summarized as simply 'encryption tool.' The README's own warning about newer alternatives and alpha Rust status is operationally important for users deciding whether they are mounting old data or starting something new.

タイムライン

• 2003: EncFS first released as an early FUSE encrypted filesystem.
• 2014: Current public GitHub repository created.
• Pre-2026: C++ EncFS became mature but mostly dormant.
• 2026: Rust port documented as functional but alpha, with new v7 config, Argon2id, and AES-GCM-SIV work.

Related projects

• FUSE is the userspace filesystem layer EncFS depends on.
• CFS is cited by the author as the older encrypted filesystem EncFS replaced for his own use.
• GoCryptFS is explicitly recommended by the README as a newer alternative for new encrypted filesystems.
• Full-disk encryption is mentioned by the README as another preferred option when possible.

ソース

• https://github.com/vgough/encfs
• https://raw.githubusercontent.com/vgough/encfs/master/README.md
• https://raw.githubusercontent.com/vgough/encfs/master/docs/DESIGN.md
• https://api.github.com/repos/vgough/encfs