.asec — Android Secure File
Google · 2010
An ASEC file is a DRM-protected encrypted container for media purchased on Android devices, managed by specific apps.
Key Features
- DRM-protected media storage
- Encrypted container format
- Managed by specific Android applications
- Ensures content licensing and access control
Best For
- Content providers needing to protect media rights on Android.
- Platforms distributing paid digital content securely.
- Developers implementing DRM for media playback.
Less Ideal For
- General media storage accessible by any player.
- Sharing unprotected media files.
- Storing any type of document or non-DRM content.
- Editing or modifying media content directly.
Common Use Cases
- Storing DRM-protected e-books purchased through Google Play Books.
- Holding encrypted audio or video content for offline playback within authorized apps.
- Securing media files against unauthorized distribution on Android devices.
How to Open It
- ASEC files are not designed for direct user opening; they are managed by specific Android applications.
- If you purchased content (e.g., a book) that uses ASEC, it should automatically be accessible within the corresponding app (like Google Play Books).
- Ensure the app that legitimately owns the content is installed and updated.
- Troubleshooting usually involves re-downloading the content within the app or verifying your account's purchase history.
What is a .asec file?
An ASEC file is a type of secure encrypted container used by Android devices, primarily for storing purchased DRM-protected media content. These files are not meant to be directly opened or played by users. Instead, they are managed by specific Android applications that have the necessary decryption keys and licenses. The encryption ensures that only authorized applications can access and play the protected content, maintaining the digital rights management (DRM) framework for media distributed through platforms like Google Play Books. Trying to open an ASEC file without the proper context will result in an unreadable data error.
Programs That Open .asec Files
| Platform | Program | ||
|---|---|---|---|
| Android | Google Play Books | Free | Official |
| Google Play Movies & TV | Free | Official |
Common Problems with .asec Files
Frequently Asked Questions
ASEC files are used by Android devices to store purchased, DRM-protected media content, such as e-books or movies, in an encrypted format.
Generally, no. ASEC files are encrypted and tied to specific Android applications that manage the decryption keys and licenses. They are not intended for direct access or playback on computers.
You access the content through the specific application on your Android device where you purchased it, such as Google Play Books. The app handles the decryption and playback automatically.
Technical Details
ASEC files are encrypted containers, often using proprietary algorithms tied to specific DRM systems. They contain audio or video content that has been protected against unauthorized access or copying. The structure is designed to be opaque to users, with decryption handled internally by the authorized playback application.