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Loading page content...Direct historical predecessor to Rijndael (AES) by Daemen & Rijmen (1997). Structurally defined the AES template but uses a distinct S-box and matrix. Status: BROKEN by the "Square attack" (integral cryptanalysis).
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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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