Arcanum

VeraCrypt-compatible encrypted vault manager for Android.

Features

Cryptography

- Full VeraCrypt container compatibility — open containers created on desktop - 15 cipher configurations: AES, Serpent, Twofish, Camellia, Kuznyechik, and cascade combinations - 5 PRF algorithms: SHA-512, SHA-256, Whirlpool, Streebog, BLAKE2s-256 - Keyfile support with pool-based derivation matching VeraCrypt's implementation - PIM (Personal Iterations Multiplier) support - FAT32, exFAT, or ext4 inside the container

Volume management

- Back up and restore the volume header - Change password, PIM, and keyfiles of an existing volume - Read-only mount - Hidden-volume protection while writing to the outer volume - Move a vault between app storage and external storage - Storage usage breakdown per vault - Vaults on USB flash drives over OTG

Privacy

- Hidden volumes for plausible deniability - Calculator disguise — optional second launcher entry that opens a working calculator - Panic PIN — triggers a configurable wipe - Screenshots and screen recording blocked at OS level - Auto-lock with configurable delay - PIN lockout timed against a monotonic clock - No network permission — INTERNET is never declared

Vault access

- Biometric unlock per vault (hardware-backed, CryptoObject-bound) - Biometric unlock for the app itself - Per-vault auto-unmount on screen lock or background

In-vault browsing

- Encrypted gallery with image and video viewer - Photo editor — crop, filters, adjustments, markup - Audio player with waveform and background playback - Full file manager — create, rename, delete, copy, move, import, export - Open a vault file in another app without decrypting it to storage - Send files into a vault from the Android share sheet

Interface

- AMOLED Glass theme — frosted-glass system bars and dialogs on pure black - Dynamic Color (Material You) support - 14 languages, switchable inside the app - Edge-to-edge, Android 10+

Disclaimer

Arcanum is an independent, open-source project. Not affiliated with, endorsed by, or connected to VeraCrypt, TrueCrypt, or any third-party services. All trademarks belong to their respective owners.

License

Apache 2.0