Tool for decrypting and unpacking Panasonic TV SDDL.SEC update files.
Publisher’s description
What is sddl_dec?
sddl_dec is a proprietary program for Windows from theubusu. It is written in Rust.
Installation and requirements
Official installers exist for 64-bit as Portable. It runs without installation (portable).
Popularity and file types
The source code on GitHub (theubusu/sddl_dec) has 15 stars.
Project description on GitHub: “Tool for decrypting and unpacking Panasonic TV SDDL.SEC update files.”
Pros / Cons
Pros
- Portable: runs without installation
Cons
- Proprietary licence: check the terms and price
- No native ARM64 build
- No update for more than a year
In short: sddl_dec is a Windows tool for 64-bit PCs. Updates have slowed down.
Is sddl_dec safe to download?
- The file is served by github.com, the publisher’s own domain
- The download link uses HTTPS
- A SHA256 hash is published, so you can verify the file:
6CD586ADE41C890707D5780233E1B7A6B82F2FE9DDF61AAF5AEFA25AB2CBEB03· Open the VirusTotal report for this hash - The link has not been checked yet
- ExeAtlas does not host, wrap or modify installers
Related guide: How to check a file’s SHA256 hash on Windows
Recent versions
All 1 versions ›| Version | Date | Size | Files |
|---|---|---|---|
| 4.0Latest | August 24, 2025 | — | 64-bit ZIP |
Install from the command line
Silent install ›winget install --id theubusu.sddl_dec -eRelated guide: How to use winget: install and update apps
Information
- Publisher
- theubusu
- Licence
- Proprietary
- Price
- See the publisher’s site
- Source code
- github.com/theubusu/sddl_dec
- Written in
- Rust
- Requires
- Windows 11 / 10
- Architecture
- 64-bit
- Installer
- Portable
- Version
- 4.0
- Released
- August 24, 2025
- Added to the catalogue
- September 23, 2025
- Versions listed
- 1
- GitHub stars
- 15
- GitHub forks
- 2
- Website
- github.com
- winget ID
- theubusu.sddl_dec
Ratings and reviews
No reviews yet. Be the first to rate it.
Frequently asked questions
Is sddl_dec free?
sddl_dec is proprietary (closed-source) software (licence: Proprietary). Whether it costs money depends on the edition: check the publisher’s site for prices and free tiers.
Is sddl_dec safe to download?
The download comes from github.com, which belongs to the publisher; ExeAtlas does not host or change the file. Compare its SHA256 hash with the one shown here, or open the VirusTotal report for that hash.
How do I install sddl_dec with winget?
Open PowerShell or Windows Terminal and run the winget command shown on this page. winget downloads the official installer and checks its SHA256 hash before running it.
Does sddl_dec run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 64-bit version through emulation.
Can I use sddl_dec without administrator rights?
Yes, it is portable: unpack and run it.