Cryptomator is

open source Open source is source code that is made freely available for possible modification and redistribution. Products include permission to use and view the source code, design documents, or content of the product. The open source model is a decentrali ...

encryption software Encryption software is software that uses cryptography to prevent unauthorized access to digital information. Cryptography is used to protect digital information on computers as well as the digital information that is sent to other computers over t ...

that provides encryption for cloud drives. It provides transparent,

client-side encryption Client-side encryption is the cryptographic technique of encrypting data on the sender's side, before it is transmitted to a server such as a cloud storage service. Client-side encryption features an encryption key that is not available to the ser ...

for

personal cloud A personal cloud is a collection of digital content and services that are accessible from any device through the Internet. It is not a tangible entity, but a place that gives users the ability to store, synchronize, stream and share content on a ...

storage. Cryptomator encrypts each file separately and then allows the user to sync files with a cloud or local storage of choice. It is available for all major operating system including Android, iOS, Windows, Mac, Linux. Cryptomator uses

AES-256 The Advanced Encryption Standard (AES), also known by its original name Rijndael (), is a specification for the encryption of electronic data established by the U.S. National Institute of Standards and Technology (NIST) in 2001. AES is a variant ...

standard encryption and

WebDAV WebDAV (Web Distributed Authoring and Versioning) is a set of extensions to the Hypertext Transfer Protocol (HTTP), which allows user agents to collaboratively author contents ''directly'' in an HTTP web server by providing facilities for conc ...

and relies on its open-source model for software verifiability, trust and bug fixing. The software encrypts each file individually.

History

In 2017,

Cure53 Cure53 is a German cybersecurity firm. The company was founded by Mario Heiderich, a security researcher. History After a report from Cure53 on the South Korean security app Smart Sheriff, that described the app's security holes as "catastrop ...

audited the software. Cryptomator was lauded for its high degree of robustness in cryptographic implementation, but criticized use of AES in insecure ECB mode. Tobias Hagemann, however, said this was a

false positive A false positive is an error in binary classification in which a test result incorrectly indicates the presence of a condition (such as a disease when the disease is not present), while a false negative is the opposite error, where the test resu ...

. In December 2021, Cryptomator 2.0 was released for iOS, which was rewritten in

Swift Swift or SWIFT most commonly refers to: * SWIFT, an international organization facilitating transactions between banks ** SWIFT code * Swift (programming language) * Swift (bird), a family of birds It may also refer to: Organizations * SWIF ...

and integrated with the native iOS

Files File or filing may refer to: Mechanical tools and processes * File (tool), a tool used to remove fine amounts of material from a workpiece. **Filing (metalworking), a material removal process in manufacturing ** Nail file, a tool used to gentl ...

app. In January 2022, an update was released for a bug that leaked file path to Apple, because of the integration with Apple's file and use of File Provider Extension API.

Reception

Cryptomator received the CeBIT innovation award in 2016 for "Usable Security and Privacy".

References

External links

*
Cryptomator Community
{{Portal bar, Free and open-source software Cryptographic software Free and open-source software Java platform software Software using the GNU General Public License Free software programmed in Java (programming language)