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Loading page content...CRYPTREC-recommended, RFC 2994. 64-bit block, 128-bit key. Unique recursive Feistel network: main rounds call FO, which calls FI, which uses 7-bit/9-bit S-boxes. Ancestor of KASUMI (3G/GSM).
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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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