md5
This software was written by Alexander Peslyak
This software was written by Alexander Peslyak in \d+.  No copyright is
claimed, and the software is hereby placed in the public domain.
In case this attempt to disclaim copyright and place the software in the
public domain is deemed null and void, then the software is
Copyright \(c\) \d+ Alexander Peslyak and it is hereby released to the
general public under the following terms:

Redistribution and use in source and binary forms, with or without
modification, are permitted.

There's ABSOLUTELY NO WARRANTY, express or implied.