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Loading page content...IBM AES finalist (1998). 128-bit block, 32-round heterogeneous SPN. Unique for combining 4 different round types (forward mixing, forward E-rounds, backward E-rounds, backward mixing) for defense-in-depth. Lost to Rijndael (AES) on performance/simplicity, but unbroken.
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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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