Base64 Support for ByteStrings 
This package provides a Haskell library for working with base64-encoded
data quickly and efficiently, using the ByteString type.
Get involved!
Please report bugs via the GitHub issue tracker.
Master Git repository:
git clone git://github.com/haskell/base64-bytestring.git
Authors
This library is written by Bryan O'Sullivan. It is maintained by Herbert Valerio Riedel, Mikhail Glushenkov, and Emily Pillmore.