Secret Space Encryptor (SSE)

File Encryption, Text Encryption (Messages, Notes, …), Secure Password Manager

New in version 3.1.0.2

- Password Vault: Added search function;
- Password Vault: New item type "KEM Key Pair" — KEM management (storage, generation, encapsulation, extraction) for algorithms CRYSTALS-Kyber;
- Password Vault: Updated data format — version 4;

more: https://paranoiaworks.mobi/sse/ssechangelog.htm

➤ File Encryptor: Securely encrypt your private and confidential files or whole folders.
🎥 ~ basic file encryption video tutorial

➤ Text Encryptor: Keep your messages, notes, cryptocurrency keys (seeds, mnemonics), and other text information safe from unwanted readers. Use the internal database or just copy/paste to/from your favorite applications. A password is set for the current encryption/decryption session, and you may have an unlimited number of passwords for any purpose (notes, emails, social networking, communication with persons A, B, C, …).
🎥 ~ text encryption video tutorial

➤ Password Vault: Store and manage all passwords, PINs, and notes in one secure place protected by one master password. Import/Export function is available (compressed, fully encrypted .pwv file format or unencrypted, editable .xml file format).

• Algorithms: Everything is encrypted using strong encryption algorithms: AES (Rijndael) 256bit, RC6 256bit, Serpent 256bit, Blowfish 448bit, Twofish 256bit, GOST 256bit + Threefish 1024bit, SHACAL-2 512bit and Paranoia C4 2048bit (for S.S.E. Pro Version) ciphers are available.
• Steganography: Text Encryptor contains a steganographic feature (concealing a text within an image - JPG). A steganographic algorithm (F5 algorithm) is used in combination with chosen symmetric cipher algorithm to make a final steganogram (JPEG image).
• Other Utils: Password Generator, Clipboard Cleaner, Algorithm Benchmark, …
• Cross-platform desktop versions (Windows, Linux, Mac OS X, …) of Text Encryptor and File Encryptor are available on: https://paranoiaworks.mobi
• Paranoia Text Encryption for iOS (iPhone/iPad/iPod) is available.
• An online (web-based) version of Text Encryptor (AES, client-side JavaScript) is available on: https://pteo.paranoiaworks.mobi

Author: Paranoia Works
License: GNU General Public License v3.0 only
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Source Code
Changelog
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Versions

Although APK downloads are available below to give you the choice, you should be aware that by installing that way you will not receive update notifications and it's a less secure way to download. We recommend that you install the F-Droid client and use that.

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Version 3.1.0.2 (118) suggested Added on Feb 23, 2023

arm64-v8a armeabi-v7a x86_64

This version requires Android 4.0 or newer.

It is built by F-Droid and guaranteed to correspond to this source tarball.
Permissions
- run foreground service
  
  Allows the app to make use of foreground services.
- android.permission.MANAGE_EXTERNAL_STORAGE
- read the contents of your shared storage
  
  Allows the app to read the contents of your shared storage.
- prevent phone from sleeping
  
  Allows the app to prevent the phone from going to sleep.
- modify or delete the contents of your shared storage
  
  Allows the app to write the contents of your shared storage.
Download APK 10 MiB PGP Signature | Build Log
Version 3.0.3.3 (112) - Added on Jan 10, 2023

arm64-v8a armeabi-v7a x86_64

This version requires Android 4.0 or newer.

It is built by F-Droid and guaranteed to correspond to this source tarball.
Permissions
- run foreground service
  
  Allows the app to make use of foreground services.
- android.permission.MANAGE_EXTERNAL_STORAGE
- read the contents of your shared storage
  
  Allows the app to read the contents of your shared storage.
- prevent phone from sleeping
  
  Allows the app to prevent the phone from going to sleep.
- modify or delete the contents of your shared storage
  
  Allows the app to write the contents of your shared storage.
Download APK 9 MiB PGP Signature | Build Log