The original CryptSharp didn't allow me to use Joomla cryptography (hash:salt, or the normal md5 hash) so i had to add Microsoft's implementation or md5 crypthography
GIT Clone of the source files in http://www.zer7.com/software.php?page=cryptsharp
CryptSharp uses the ISC license. http://en.wikipedia.org/wiki/ISC_license
Taken from the January 23, 2011 - version 1.2.0 (v2 is available in nuget as CryptSharp official) download.
Permission to use, copy, modify, and/or distribute this software for any purpose with or without fee is hereby granted, provided that the above copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.