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Description:

opencce 0.2

This is `opencce`, a small application that replicates part of the functionality
provided by the [CCE (Citizen Card Encrypted)](https://joinup.ec.europa.eu/software/cce/description) software by [A-SIT](https://www.a-sit.at/).

## How `opencce` differs…
* `opencce` is written in Python and uses only widely available libraries including `openssl`.
* `opencce` is Open Source. Please feel free to look at the code.
* `opencce` **cannot** currently use your Citizen Card (_ecard_) to perform cryptographic operations.
* `opencce` **can** be used as a library or through its command-line interface.

However, as far as I can tell, `opencce` is able to decrypt containers produced by the original software. It also produces files that are fully compatible with the original. **If you encounter a case where this is not true, please file an issue!**

### Dependencies
* [python](http://python.org) (>= 2.7)
* [python-m2crypto](https://github.com/martinpaljak/M2Crypto)
* [lxml](http://lxml.de)
* [python-magic](https://github.com/ahupp/python-magic) (optional)

### About python3
The main blocker for getting python3 compatibility is `m2crypto`.

### Installation
Get the latest version with `pip install opencce`.

### Future Plans
* Smart Card support.
* Compressed archive variant (SMIME is horrible for space efficiency).
* Install scripts, package for distributions.

### Usage
#### Encryption using `opencce`
You can't use 'macro parameter character #' in math modeYou can't use 'macro parameter character #' in math mode opencce decrypt -k key.pem -d Container Container.cce
Decrypting container: Container.cce ... [OK]
Making sure that the extraction directory is clean: . ... [OK]
Extracting file: Container/file1.txt ... [OK]
Extracting file: Container/file.pdf ... [OK]

#### Decryption using the Library
>>> from opencce.containers.CCEContainer import CCEContainer
>>> with open("Container.cce", "rb") as fh: c = CCEContainer.load(fh, "key.pem")
>>> for path, filename, handle in c.export(): # do something with those files