mirror of
https://github.com/cryptomator/cryptomator.git
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56 lines
2.9 KiB
Markdown
56 lines
2.9 KiB
Markdown
Cryptomator
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====================
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[](https://travis-ci.org/cryptomator/cryptomator)
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[](https://gitter.im/cryptomator/cryptomator?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
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[](https://flattr.com/submit/auto?user_id=totalvoidness&url=https%3A%2F%2Fgithub.com%2Ftotalvoidness%2Fcryptomator&title=Cryptomator&language=en_GB&tags=github&category=software)
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Multiplatform transparent client-side encryption of your files in the cloud.
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If you want to take a look at the current beta version, go ahead and get your copy of cryptomator on [Cryptomator.org](https://cryptomator.org) or clone and build Cryptomator using Maven (instructions below).
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## Features
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- Totally transparent: Just work on the encrypted volume, as if it was an USB flash drive
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- Works with Dropbox, OneDrive (Skydrive), Google Drive and any other cloud storage, that syncs with a local directory.
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- In fact it works with any directory. You can use it to encrypt as many folders as you like
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- AES encryption with 256-bit key length
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- Client-side. No accounts, no data shared with any online service
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- Filenames get encrypted too
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- No need to provide credentials for any 3rd party service
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- Open Source means: No backdoors. Control is better than trust
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- Use as many encrypted folders in your Dropbox as you want. Each having individual passwords
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- No commercial interest, no government agency, no wasted taxpayers' money ;-)
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### Privacy
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- 256 bit keys (unlimited strength policy bundled with native binaries - 128-bit elsewhere)
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- Scrypt key derivation
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- Cryptographically secure random numbers for salts, IVs and the master key of course
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- Sensitive data is swiped from the heap asap
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- Lightweight: [Complexity kills security](https://www.schneier.com/essays/archives/1999/11/a_plea_for_simplicit.html)
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### Consistency
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- HMAC over file contents to recognize changed ciphertext before decryption
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- I/O operations are transactional and atomic, if the file systems support it
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- Each file contains all information needed for decryption (except for the key of course). No common metadata means no [SPOF](http://en.wikipedia.org/wiki/Single_point_of_failure)
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## Building
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#### Dependencies
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* Java 8
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* Maven 3
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* Optional: OS-dependent build tools for native packaging
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* Optional: JCE unlimited strength policy files (needed for 256-bit keys)
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#### Building on Debian-based OS
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```bash
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apt-get install oracle-java8-installer oracle-java8-unlimited-jce-policy fakeroot maven git
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git clone https://github.com/cryptomator/cryptomator.git
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cd cryptomator/main
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git checkout 0.7.1
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mvn clean install -Pdebian
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```
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## License
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Distributed under the MIT X Consortium license. See the LICENSE file for more info.
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