Watermarking, what does it actually consist of ...

[Matt Hampton]

Mikael Syska wrote:
>
> What is the watermark contructed of, I know it contains the some kind
> of MD5 hash of the watermarking "secret" and some kind of timestamp
> ...
>
>   
Hi Mikael



return Digest::MD5::md5_base64(join("\$\%", $expiry, $email, $date, 
$secret, $msgid));

so you end up with the base64 md5 of

"12346678$%sender at domain.com$%12345678$%S3cret$%<Message-Id-Header>"


The only problem I see is converting the date in to a unix time stamp...

matt