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David

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158 reputation
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2 Questions

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Why do block ciphers need a non-linear component (like an S-box)?

cryptanalysis block-cipher algorithm-design s-boxes linear-cryptanalysis
jan 2 at 20:20 user80998 1
 
5
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302
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Practical necessity of semantic security under chosen plain text attack (CPA) in CBC mode

encryption cbc chosen-plaintext-attack semantic-security
may 2 '12 at 15:18 B-Con 2,174
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