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Saturday, January 31, 2015

128-bit Block Length Idea In Encryption Algorithm 

Here's an IDEA-variant with a 128-bit block length. While I think it's a great idea to bring IDEA up to a modern block length, the paper has none of the cryptanalysis behind it that IDEA had. If nothing else, I would have expected more than eight rounds. If anyone wants to practice differential and linear cryptanalysis, here's a new target for you.

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