SSE - File & Text Encryption app icon

SSE - File & Text Encryption

Encipher files, texts (messages, notes, …) & use secure offline password manager

Jarda Kvapil · com.paranoiaworks.unicus.android.sse

4.8 out of 5 (4 ratings) 500K+ downloads v3.3 12.4 MB Android 5.0+ PEGI 3 · Everyone

  • Signature matches the Google Play version Details

At a glance

Latest version
v3.3 (160)
Updated
Sep 19, 2026 (20 days ago)
APK size
12.4 MB
Requires
Android 5.0+ (API 21)
CPU support
x86 64-bit, ARM 32-bit, ARM 64-bit
Category
Tools (app)
Listed since
Sep 16, 2021 (at least)
Permissions
9 (3 sensitive)
Website
paranoiaworks.mobi
Developer contact
[email protected]
Privacy
Developer's privacy policy

About this APK

SSE - File & Text Encryption is an app by Jarda Kvapil in the Tools category, listed since at least September 2021. It includes native code for x86 64-bit, ARM 32-bit and ARM 64-bit, so it runs on practically every phone.

Since version 3.2.2, the APK grew from 11.2 MB to 12.4 MB. It asks for 9 permissions, 3 of them sensitive: access all files, read shared storage and modify shared storage. It asks for the same permissions as version 3.2.3.

What's new in v3.3

• File Encryptor: Added a high-performance recovery data (error correction) algorithm; • Alongside the above, a compatible standalone CLI tool—Paranoia Error Correction—is being released; • File Encryptor: The default compression algorithm has been changed to Zstandard; • more (changelog): https://paranoiaworks.mobi/sse/ssechangelog.htm

Description

From the listing uploaded by “appupdater”.

Secret Space Encryptor (S.S.E.) File Encryption, Text Encryption and Password Manager applications integrated into the all-in-one solution. Important Introductory Note: This application provides many options and is intended for experienced users. All data are really encrypted (mathematically altered) using keys derived from your password. If you forget the password, your data is lost no matter how many vulgar insults you send to our e-mail. The correct password is the only way. Also, if you prefer when someone / something manages your life and makes all the decisions for you, then this application is not for you. Frequently Asked Questions: https://paranoiaworks.mobi/sse/faq ➤ File Encryptor: Securely encrypt your private and confidential files or whole folders. 🎥 ~ basic file encryption video tutorial: https://youtu.be/asLRhjkfImw ➤ 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: https://youtu.be/IK9Sxqr0uJU ➤ Password Vault: Fully offline password manager - store and manage all passwords, PINs, notes, KEM key pairs 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 + Threefish 1024bit, SHACAL-2 512bit and Paranoia C4 2048bit (for S.S.E. Pro Version) ciphers are available. ⬥ Steganography: The application offers steganographic features, allowing you to conceal texts and files within a JPEG image. Two algorithms are available: J-UNIWARD and F5. The selected algorithm works with your chosen symmetric cipher to create the final steganogram. ⬥ Other Utils: Password Generator, Clipboard Cleaner, Algorithm Benchmark, … ⬥ Minimal permissions. No ads. ⬥ Cross-platform desktop versions (Windows, Linux, macOS, …) of Text Encryptor and File Encryptor are available on: https://paranoiaworks.mobi ⬥ Paranoia File Encryption and Paranoia Text Encryption for iOS (iPhone/iPad/iPod) is available. ⬥ Online (web-based) versions of File and Text Encryptor (AES, client-side JavaScript) and other privacy related utilities are available on: https://pteo.paranoiaworks.mobi This software is Open Source – we have nothing to hide, so you can have securely hidden everything you need. Source codes: https://paranoiaworks.mobi/download Formats specifications: https://paranoiaworks.mobi/sse/formats_specifications.html More: https://paranoiaworks.mobi/sse ★★★ FREQUENTLY ASKED QUESTIONS ★★★ Issue: File Encryptor - My file(s) are still visible after an encryption. Answer: SSE File Encryptor works as an archiver (a new .enc file is created). You can delete/wipe the original file(s) after the encryption process is completed or it can be done automatically: Settings: File Encryptor → Wipe Source After Encryption ⬇⬇ MORE FAQ ⬇⬇ https://paranoiaworks.mobi/sse/faq

Version history

4 versions are listed, going back to v3.1.4.

All 4 versions

Security & authenticity

Security rating: Trusted

Signing certificate

  • Signature matches the Google Play version Checked by the source store on Sep 19, 2026.
  • Certificate issued to “Paranoia Works (www.paranoiaworks.com)” This is the certificate of the Google Play version.
  • Same certificate as the 3 other versions checked

Store checks and file details

  • Developer signature not checked yet Sep 19, 2026
  • Validated against Google Play Sep 19, 2026
  • Signed by[email protected], O=Paranoia Works (www.paranoiaworks.com), L=Global Scope, ST=none, C=NT
  • Signing certificate (SHA-1)0A:B5:13:6A:D3:E5:04:AC:CA:B9:0C:61:AA:BC:49:E2:F1:BE:D3:7C
  • File MD57f792c71cb61acc8b8372b13d8681bda
  • Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (3 other versions compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (9)

SSE - File & Text Encryption requests 9 permissions, 3 of them sensitive.

Required hardware & features

SSE - File & Text Encryption APK: questions and answers

Can I install this APK over the version I already have?

Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.

Is the SSE - File & Text Encryption APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. It is signed with the same certificate as the 3 other versions checked. After downloading, check that the file's MD5 is 7f792c71cb61acc8b8372b13d8681bda.

Tags

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