paste.libre-service.eu-privatebin/README.md

# PrivateBin 0.22
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PrivateBin is a minimalist, open source online pastebin where the server has zero 
knowledge of pasted data.

Data is encrypted/decrypted in the browser using 256 bit AES.

This is a fork of ZeroBin, originally developed by
[Sébastien Sauvage](https://github.com/sebsauvage/ZeroBin). It was refactored
to allow easier and cleaner extensions and has now much more features than the
original. It is however still fully compatible to the original PrivateBin 0.19 
data storage scheme. Therefore such installations can be upgraded to this fork 
without loosing any data.

## What PrivateBin provides

+ As a server administrator you don't have to worry if your users post content
  that is considered illegal in your country. You have no knowledge of any
  of the pastes content. If requested or enforced, you can delete any paste from
  your system.

+ Pastebin-like system to store text documents, code samples, etc.

+ Encryption of data sent to server.

+ Possibility to set a password which is required to read the paste. It further 
  protects a paste and prevents people stumbling upon your paste's link
  from being able to read it without the password.

## What it doesn't provide

- As a user you have to trust the server administrator. If the server you use does
  not use HTTPS (which is *not* recommend!) you also have to trust your internet provider 
  and any country the traffic passes not to inject any malicious javascript code.
  All ZeroBin installation should use HTTPS. Ideally secured by 
  [HSTS](https://en.wikipedia.org/wiki/HTTP_Strict_Transport_Security) and
  [HPKP](https://en.wikipedia.org/wiki/HTTP_Public_Key_Pinning) using a 
  certificate either validated by a trusted third party (in most cases Certificate
  Authorities) or self-signed by the server operator, validated using a
  [DNSSEC](https://en.wikipedia.org/wiki/Domain_Name_System_Security_Extensions) protected
  [DANE](https://en.wikipedia.org/wiki/DNS-based_Authentication_of_Named_Entities)
  record.

- The "key" used to encrypt the paste is part of the URL. If you publicly post
  the URL of a paste that is not password-protected, everybody can read it.
  Use a password if you want your paste to be private. In this case make sure to
  use a strong password and do only share it privately and end-to-end-encrypted.

- A server admin might be forced to hand over access logs to the authorities.
  ZeroBin encrypts your text and the discussion contents, but who accessed it
  first might still be disclosed via such access logs.

- In case of a server breach your data is secure as it is only stored encrypted on
  the server. However the server could be misused or the server admin could be legally
  forced into sending malicious JavaScript to all web users, which grabs the decryption key
  and send it to the server when a user accesses a ZeroBin.  
  Therefore do not access any ZeroBin instance if you think it has been compromised. As long
  as no user accesses this instance with a previously generated URL, the content cannot be
  decrypted.

## Options

Some features are optional and can be enabled or disabled in the [configuration
file](https://github.com/PrivateBin/PrivateBin/wiki/Configuration):

* Password protection

* Discussions

* Expiration times, including a "forever" and "burn after reading" option

* Markdown format support for HTML formatted pastes

* Syntax highlighting for source code using prettify.js, including 4 prettify themes

* File upload support, images get displayed (disabled by default, possibility to adjust size limit)

* Templates: By default there is a bootstrap CSS and a "classic ZeroBin" theme
  and it is easy to adapt these to your own websites layout or create your own.

* Translation system and automatic browser language detection (if enabled in browser)

* Language selection (disabled by default, as it uses a session cookie)

## Further resources

* [Installation guide](https://github.com/PrivateBin/PrivateBin/wiki/Installation)

* [Upgrading from 0.19 Alpha](https://github.com/PrivateBin/PrivateBin/wiki/Upgrading-from-ZeroBin-0.19-Alpha)

* [Configuration guide](https://github.com/PrivateBin/PrivateBin/wiki/Configuration)

* [Templates](https://github.com/PrivateBin/PrivateBin/wiki/Templates)

* [Translation guide](https://github.com/PrivateBin/PrivateBin/wiki/Translation)

* [Developer guide](https://github.com/PrivateBin/PrivateBin/wiki/Development)

Run into any issues? Have ideas for further developments? Please 
[report](https://github.com/PrivateBin/PrivateBin/issues) them!