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Loading page content...Earliest predecessor in the SHARK->Square->AES lineage (1996). 64-bit block, full 8x8 MDS diffusion every round. Status: broken (vulnerable to same integral attacks as Square).
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A simple stream cipher performing byte-wise XOR operations between plaintext and key.
An unbreakable cipher when used with a truly random, single-use key of equal length to the plaintext.
Data Encryption Standard. A legacy 64-bit block cipher utilizing a 56-bit key size.
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