Army signals security & "Clansmen" series radios

[Owen Blacker]

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Unless you can do it majordomo style (yeah, I know this doesn't work
too well by radio  :o)  -- sending lots of individual messages
separately, rather than bcc:ing a large group...

> -----Original Message-----
> From: Charles Lindsey [mailto:chl@clw.cs.man.ac.uk]
> Sent: Thursday, September 07, 2000 10:40 AM
> To: ukcrypto@maillist.ox.ac.uk
> Subject: Re: Army signals security & "Clansmen" series radios
> 
> 
> Yes, but if there are 10,000 recipients it will take forever 
> to generate
> the encryptions, and the size of each message will be huge 
> (yes, I know
> you only have to encrypt the session key, but 10,000 encrypted
> session keys is still a lot of data to have to transmit).

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