Army signals security & "Clansmen" series radios

[Charles Lindsey]

	On Wed, 6 Sep 2000 18:57:30 +0100
	Dave Bird <dave@xemu.demon.co.uk> said...

>  That is almost a despair situation for security: there are so many
>  message terminals that someone is bound to get careless through 
>  sheer numbers.
> 
>  Where the medium allows it, it is best to send individual variant
>  messages to each local key.

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).

Charles H. Lindsey ---------At Home, doing my own thing------------------------
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