[RC5] 40 bit encryption, and what about implementation

Jeroen v.d.burg at planet.nl
Sat Mar 16 10:22:47 EST 2002

If i visit a website with 40 bit encryption, how do i know the site's key and how does the site mine?
If there is a man in the middle attack, the key can be 2^40 bit long :-) but still insecure.

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