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CryFS

Encrypted filesystem for safely storing files in the cloud

File Sync & Storage ★ 2.3k stars Medium setup LGPL-3.0

CryFS is an encrypted filesystem that hides file contents, metadata, and directory structure, making it ideal for placing inside a synced cloud folder. It splits data into equally sized blocks so the structure of your files stays private.

Key features

  • Hides directory structure
  • Block-based encryption
  • Works inside cloud folders
  • Cross-platform mounting

Pros & cons

Strengths

  • Strong metadata protection
  • Pairs with any sync tool

Trade-offs

  • FUSE setup required
  • Slower than plain storage

CryFS replaces

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