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About
=====
This is a library and a command-line utility
to share secrets via "zerobin" sites like https://paste.ec
using client-side encryption with [SJCL](https://crypto.stanford.edu/sjcl/).
This library reimplements encryption part of [SJCL](https://crypto.stanford.edu/sjcl/)
allowing you to post secrets from Haskell programs and shell script.
Requirements
============
ZeroBin is written in Haskell with [GHC](http://www.haskell.org/ghc/).
All required Haskell libraries are listed in [zerobin.cabal](zerobin.cabal).
Use [cabal-install](http://www.haskell.org/haskellwiki/Cabal-Install)
to fetch and build all pre-requisites automatically.
Installation
============
$ git clone https://github.com/zalora/zerobin.git
$ cd zerobin
$ cabal install
Command-line utility
====================
The command-line utility `zerobin` encrypts text or file,
post the encrypted data to https://paste.ec and
prints URI to be shared or error message:
$ zerobin 'heinrich hertz'
https://paste.ec/paste/1j3GBy-7#dg0PXHFglISOhXzRnU4KLWbSAh5jX5KjX4wZEiYM8QA6
Type `zerobin --help` to see usage summary:
Usage:
zerobin [options] TEXT
Options:
-e, --expire=E Set expiration of paste: once, day, week, month [default: week]
-f, --file Paste the content of file TEXT instead of plain TEXT
-h, --help Show this message
Examples:
zerobin hello paste "hello" for a week
zerobin -f /etc/fstab paste file /etc/fstab for a week
zerobin -e once hello paste "hello", it will burn after reading
Hacking
=======
There is a simple test program in the [./nodejs](./nodejs) directory.
It uses this library to encrypt a message and original SJCL
running by [Node.js](https://nodejs.org) to decrypt:
$ # get nodejs and npm, e. g. on Debian; sudo apt-get install nodejs npm
$ npm install sjcl
$ git clone https://github.com/zalora/zerobin.git
$ cd zerobin
$ cabal install --dependencies-only
$ cabal install -f nodejs --ghc-option="-Werror"
$ ./dist/build/zerobin-nodejs/zerobin-nodejs
heinrich hertz
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