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Loading page content...NSA Clipper-chip cipher, declassified 1998. Unbalanced Feistel network alternating two round functions (Rule A / Rule B) across 32 rounds.
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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