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https://github.com/PrivateBin/PrivateBin

A minimalist, open source online pastebin where the server has zero knowledge of pasted data. Data is encrypted/decrypted in the browser using 256 bits AES.
https://github.com/PrivateBin/PrivateBin

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A minimalist, open source online pastebin where the server has zero knowledge of pasted data. Data is encrypted/decrypted in the browser using 256 bits AES.

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README 

        
# [![PrivateBin](https://cdn.rawgit.com/PrivateBin/assets/master/images/preview/logoSmall.png)](https://privatebin.info/)



*Current version: 1.7.4*



**PrivateBin** is a minimalist, open source online

[pastebin](https://en.wikipedia.org/wiki/Pastebin)

where the server has zero knowledge of pasted data.



Data is encrypted and decrypted in the browser using 256bit AES in

[Galois Counter mode](https://en.wikipedia.org/wiki/Galois/Counter_Mode).



This is a fork of ZeroBin, originally developed by

[Sébastien Sauvage](https://github.com/sebsauvage/ZeroBin). PrivateBin was

refactored to allow easier and cleaner extensions and has many additional

features. It is, however, still fully compatible to the original ZeroBin 0.19

data storage scheme. Therefore, such installations can be upgraded to PrivateBin

without losing 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 plausible deniability 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 not to inject any

  malicious code. For security, a PrivateBin installation *has to be used over*

  *HTTPS*! Otherwise you would also have to trust your internet provider, and

  any jurisdiction the traffic passes through. Additionally the instance should

  be secured by

  [HSTS](https://en.wikipedia.org/wiki/HTTP_Strict_Transport_Security). It can

  use traditional certificate authorities and/or use 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, anyone can read it.

  Use a password if you want your paste to remain private. In that case, make

  sure to use a strong password and share it privately and end-to-end-encrypted.



- A server admin can be forced to hand over access logs to the authorities.

  PrivateBin encrypts your text and the discussion contents, but who accessed a

  paste (first) might still be disclosed via 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 abused or the server admin could

  be legally forced into sending malicious code to their users, which logs

  the decryption key and sends it to a server when a user accesses a paste.

  Therefore, do not access any PrivateBin instance if you think it has been

  compromised. As long as no user accesses this instance with a previously

  generated URL, the content can't 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, anonymous or with nicknames and IP based identicons or vizhashes



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



* Markdown format support for HTML formatted pastes, including preview function



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

  themes



* File upload support, image, media and PDF preview (disabled by default, size

  limit adjustable)



* Templates: By default there are bootstrap CSS, darkstrap and "classic ZeroBin"

  to choose from 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)



* QR code for paste URLs, to easily transfer them over to mobile devices



## Further resources



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



* [Installation guide](https://github.com/PrivateBin/PrivateBin/blob/master/doc/Installation.md#installation)



* [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!