Unit 3-Symmetric Key Crypto_Part15

Unit 3-Symmetric Key Crypto_Part15 - Security depends...

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Unit 3 - 29 DES Numerology DES is a Feistel cipher 64 bit block length 56 bit key length 16 rounds 48 bits of key used each round (subkey) Each round is simple (for a block cipher)
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Unformatted text preview: Security depends primarily on S-boxes Each S-boxes maps 6 bits to 4 bits Unit 3 - 30 One Round of DES...
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Unit 3-Symmetric Key Crypto_Part15 - Security depends...

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