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From: Kurt Wismer <kurt.wismer@utoronto.ca>
Subject: Re: What is Checksum, CRC and MD5 hash???
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Tommy Petrogiannis wrote:
 
> >MD5 is a one-way cryptographic hash function developed by Ron Rivest
> >(MD=message digest). It is used in the PEM (privacy enhanced mail)
> >protocols for authentication. It works with input of arbitrary length
> >and produces a 128 bit result.
> 
> Can anyone freely use MD5? Or is the algorithm covered by patent
> and royalty payments to RSA? 
as far as i know, there is no patent on md5... it's public domain and 
source for it is not especially hard to come by... you can freely use 
it...
