Lucifer (cipher)
Earliest civilian block ciphers / From Wikipedia, the free encyclopedia
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In cryptography, Lucifer was the name given to several of the earliest civilian block ciphers, developed by Horst Feistel and his colleagues at IBM. Lucifer was a direct precursor to the Data Encryption Standard. One version, alternatively named DTD-1,[1] saw commercial use in the 1970s for electronic banking.
Quick Facts General, Designers ...
General | |
---|---|
Designers | Horst Feistel et al. |
First published | 1971 |
Successors | DES |
Cipher detail | |
Key sizes | 48, 64 or 128 bits |
Block sizes | 48, 32 or 128 bits |
Structure | Substitution–permutation network, Feistel network |
Rounds | 16 |
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