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Unformatted text preview: Invented by Bruce Schneier Blowfish encrypts 64-bit blocks Key is variable length, up to 448 bits Almost a Feistel cipher R i = L i 1 K i L i = R i 1 F(L i 1 K i ) The round function F uses 4 S-boxes Each S-box maps 8 bits to 32 bits Key-dependent S-boxes S-boxes determined by the key Blowfish...
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- Fall '10
- Information Security