
Wuala's secure cloud storage solution is designed with user-centricity in mind, offering a range of features that cater to different needs and preferences.
Wuala's encrypted storage allows users to store files in a secure and private environment, with files encrypted on the client-side before being uploaded to the cloud. This ensures that even Wuala itself cannot access the contents of the stored files.
Wuala's zero-knowledge proof policy ensures that only the user has access to their stored files, with no third-party access or monitoring. This policy aligns with Wuala's commitment to user privacy and security.
Features and Storage
Wuala offers a range of features to help you manage your files securely. You can keep files private, share them with other registered users, or even share them with unregistered users through a keyed hyperlink.
With Wuala, you can also publish files, backup your data, synchronize your files across devices, and even keep track of different file versions. This makes it a great tool for anyone who wants to keep their files organized and easily accessible.
Here's a breakdown of Wuala's storage options:
You can also get additional storage by buying it, with prices ranging from 29 EUR/year for 20 GB to 999 EUR/year for 1 TB.
Features
Wuala offers a range of features that make it a robust and secure storage solution.
You can keep your files private, which is great for sensitive information that you don't want to share with anyone.
Sharing files with other registered users is also a breeze, allowing you to collaborate with others on projects or share files with friends and family.
If you need to share files with non-users, you can do so through a keyed hyperlink, giving them temporary access to the file without requiring them to create an account.
Publishing files is another feature that allows you to share your work with a wider audience.
Wuala also offers backup and file synchronization features, ensuring that your files are safe and up-to-date across all your devices.
Here are some of the key features Wuala offers:
- Private file storage
- File sharing with registered users
- File sharing with unregistered users
- Publishing files
- Backup
- File synchronization
- File versioning
Wuala's encryption process ensures that your files are secure, first encrypting them and then chunking them into redundant fragments using Reed-Solomon error correction codes.
Storage
Wuala offered free accounts with 5 GB of storage for no charge, but they shifted to a paid-only service in June 2014.
Additional storage can be bought, with prices ranging from 29 EUR/year for 20 GB to 999 EUR/year for 1 TB.
Users of joint products can start with greater amounts of storage for a limited period, such as 10 GB for one year with a LaCie external hard disk drive or 4 GB for two years with a LaCie USB flash drive.
The storage plan starts with 0.99 € per month (9 € per year) for 5 GB and ends at 159.90 € per month (1799 € per year) for 2 TB of storage.
As of June 2014, the referral system was shut down due to the new paid-only policy, which means users can no longer earn free storage by referring friends.
Pricing for bought storage changed in June 2014, with new prices for storage plans, but the amount of storage available for purchase remains the same.
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User Interface and Browsers

You can start or trust a Java applet to download and run the latest version of Wuala, allowing for a fast start.
This method uses a class loader to enable quick access to the Wuala application.
If your computer doesn't have Java or if the class loader is blocked, you can still browse any folder that's public or shared with a weblink.
User Interfaces
User Interfaces are the backbone of how we interact with digital products, and they've come a long way since the early days of computing.
The first graphical user interface (GUI) was introduced by Xerox in 1973, which laid the foundation for modern user interfaces.
A well-designed user interface can make all the difference in user experience, increasing engagement and reducing frustration.
The average user spends around 3 hours and 15 minutes per day on their smartphone, with a significant portion of that time spent navigating through various apps and interfaces.

Touch screens have become ubiquitous, with over 80% of smartphones using this type of interface.
The use of icons, buttons, and menus can greatly simplify navigation, making it easier for users to find what they need.
A study found that users are more likely to engage with a product if it has a clear and intuitive user interface.
The rise of voice assistants has also led to the development of voice-based interfaces, which are changing the way we interact with digital products.
WebStart and Browsers
If you're using Wuala, you can start the application quickly by starting a Java applet, which downloads and runs a class loader to get the latest version of the Wuala application.
This method is fast and convenient, but it does require Java to be installed on your computer.
If you don't have Java or if the class loader can't run, you can still browse any public folder or shared folder with a weblink.
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Security and Shut Down

Wuala's security was a top priority, and they used AES-256 for encryption and RSA-2048 for key exchange and signatures. They also employed full client-side encryption, ensuring that files and metadata were encrypted before being uploaded.
This meant that even LaCie, the company that operated the service, couldn't decrypt the stored files. However, this also meant that Wuala had no password recovery option, and all data processing had to be done on the client side.
Wuala's use of encryption was robust, but the lack of transparency due to the proprietary nature of their software made it difficult to ensure that their claims were true. Updates were also pushed automatically to the client machine, raising concerns about possible backdoors in the code.
Wuala's security improvements included switching from ECB to CBC mode for encrypting files, which is a more secure choice. They also generated unique initialization vectors for each file, even when using different AES keys, which added an extra layer of protection.
To keep your files safe, make sure to use a strong password and don't reuse it anywhere. Also, be cautious when typing your password into untrusted systems or where others might be watching.
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Security

Wuala uses AES-256 for encryption and RSA-2048 for key exchange and signatures. This is a robust combination that provides strong protection for your data.
The encryption key is stored in a way that prevents anyone, including LaCie, from accessing your files. This means you have complete control over your data and can rest assured that it's safe.
However, this also means that Wuala has no password recovery option, so it's essential to choose a strong and unique password. I've seen people reuse passwords or type them into public computers, which is a big no-no.
Wuala employs full client-side encryption, which means all files and metadata are encrypted before they're uploaded. This is a significant advantage in terms of privacy, but it also means that data processing needs to be done on the client side.
To ensure the security of your data, it's crucial to use a strong password and never reuse it. You should also be cautious when typing your password into public systems or where others can watch or listen.
Here's a quick rundown of Wuala's security features:
- AES-256 encryption for files
- RSA-2048 for key exchange and signatures
- Client-side encryption with no password recovery option
- Unique initialization vectors (IVs) generated using SHA256
- Slower key generation algorithm to prevent offline dictionary attacks
Pioneering Secure Storage Shuts Down

Wuala, a pioneering secure storage service, has shut down after being acquired by LaCie in 2009. The service will continue to operate until September 30, 2015, after which all active accounts will shift to read-only mode.
The shutdown is a significant blow to users who relied on Wuala's secure storage, especially those who were concerned about data breaches and surveillance. Tresorit, a Swiss-Hungarian startup, is recommended as a secure alternative with end-to-end encryption.
Wuala users are advised to back up their data to a PC, Mac, or another cloud storage service, somewhat ironically given the service's original purpose. This is a crucial step to ensure data safety and security.
Tresorit's browser-based, zero-knowledge storage, access, and sharing feature is a notable innovation in secure cloud storage, making it a compelling alternative to non-encrypted solutions like Dropbox.
For more insights, see: Tresorit
Improved Security
Wuala's improved security is a significant step forward. They've switched from ECB mode to CBC mode for encrypting files, which is a more secure choice.
Wuala now generates unique initialization vectors (IVs) for each file, ensuring that even if collisions are found in SHA256, the IVs will still be unique. This is a paranoid measure that makes Wuala more resistant to attacks.
A slower key generation algorithm is now used, which guards against offline dictionary attacks. This is especially important because people tend to reuse passwords or leak them easily.
To keep your data secure, make sure your password is strong and unique. Don't reuse it anywhere, and never type it into an untrusted system or where people can watch or listen to your typing.
Here are some key security features to keep in mind:
- Wuala uses AES-256 for encryption and RSA-2048 for key exchange and signatures.
- Keys are organized in a key management scheme called Cryptree.
- Wuala employs full client-side encryption, so no one can decrypt your files, not even LaCie.
Remember, you're ultimately trusting Wuala staff with your computer and data, so be careful with your password and file uploads.
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