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The method of using Alberti's disk described here is much less secure than the one described at the page for the disk.

This is a little odd. The summary form of this article in Substitution cipher is actually somewhat larger and has more factual content than this article! - Ta bu shi da yu 07:35, 16 Dec 2004 (UTC)

Yes, I agree that it's a little strange; see Talk:Substitution cipher#To do. — Matt Crypto 07:49, 16 Dec 2004 (UTC)

Just a note from a Wikipedian curious about cryptography. I googled to find Morelli's page About the Alberti cipher [1] and think it might make a useful source. It includes howto information. At present I'm simply trying to solve a clue given in the Starfest 2005 House of Vampyr Treasure Hunt. <>< tbc 16:22, 1 May 2005 (UTC) reply