[Nottingham] Can't remember the term for a cryptographic technique...

[Martin]

Danny King wrote:
[...]
> the term used to describe the
> practice of encrypting a message so that two separate keys provide
> different plaintexts when used on the same cyphertext i.e.:

I would guess that you're thinking of "public key cryptography".

http://en.wikipedia.org/wiki/Public-key_cryptography

Nice diagrams there also,

Cheers,
Martin

-- 
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Martin Lomas
martin at ml1.co.uk
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