The upstream author is: 

Soenke J. Peters <peters@simprovement.com>

CRC algorithm code taken from CRC-32 by Craig Bruce. 
The module stuff is inspired by a similar perl module called 
String::CRC by David Sharnoff & Matthew Dillon.
Horst Fickenscher told me that it could be useful to supply an init
value to the crc checking function and so I included this possibility.

The author of this package disclaims all copyrights and 
releases it into the public domain.

The upstream sources can be obtained at:

http://www.cpan.org/pub/CPAN/modules/by-module/String/SOENKE/

The Debian packaging was carried out by Clint Adams
<schizo@debian.org> and is now handled by the Debian pkg-perl group,
http://alioth.debian.org/projects/pkg-perl