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Folder Crypto

by jasonsting622-netizen
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Description

This plugin has not been manually reviewed by Obsidian staff. Lock folders and optionally encrypt Markdown files inside selected folders.

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Latest Version

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Changelog

See all version on GitHub

README file from

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Folder Crypto

Local Obsidian plugin with two folder-protection modes.

Folder lock

Folder lock is the master switch for locking the configured folder in Obsidian.

This mode locks a folder inside Obsidian. A locked folder shows a lock badge in the file explorer, while its child files and subfolders are hidden from the file tree. Clicking the locked folder asks for the password. When a file inside that folder is opened from another route, the plugin also asks for the password. After successful unlock, every file in that folder is visible and readable until Obsidian is closed or Lock all Folder Crypto folders is run.

Sync Finder folder lock is the small switch under it. When enabled, folder locking also hides the underlying folder in Finder with chflags hidden. Unlocking shows it again with chflags nohidden. It does not change read permissions, so Obsidian can still open and scan the vault.

Commands:

  • Lock configured folder in Obsidian
  • Unlock configured folder in Obsidian
  • Lock all Folder Crypto folders
  • Remove configured folder lock

Folder right-click menu:

  • Lock folder in Obsidian
  • Unlock folder in Obsidian
  • Remove Obsidian folder lock

This is still not encryption. Finder hiding is only a convenience layer and can be bypassed by other apps, Terminal, backups, sync history, admin access, or already-open cached content.

Content lock

Content lock is the master switch for content encryption. Turning it on encrypts the configured folder after confirmation and password entry. Turning it off blocks new encryption operations; encrypted files are not automatically decrypted.

This mode rewrites file contents into an encrypted envelope. Use it when the file contents should be unreadable outside Obsidian too.

Commands:

  • Encrypt configured folder
  • Decrypt configured folder

Folder right-click menu:

  • Encrypt folder with password
  • Decrypt folder with password

Passwords for content encryption are never saved. Files are encrypted with AES-256-GCM and a PBKDF2-derived key.

If Create plaintext backup is enabled, .ofc-backup files are written next to encrypted files. This is safer during testing but leaves readable plaintext in the vault.

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