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Loading page content...RFC 2144 block cipher with 64-bit blocks and a 40–128-bit variable-length key. 16-round Feistel (12 rounds for keys ≤80 bits) with four bent-function-derived S-boxes and three heterogeneous round function types. Historically mandatory in PGP/OpenPGP and early SSH.
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Imported traces are validated and replayed locally. They never run a cipher operation automatically.
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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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