# Tag Info

## New answers tagged simon

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In the case of SIMON and SPECK families, they are both balanced Feistel ciphers (or similar in the case of SPECK), meaning the block is size is composed of 2 equal sized halves. SIMON and SPECK have the same combinations for block and key size. The variables refer to the cipher internals, with $n$ being the size of the "word", which is the size of the ...

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