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huyichen

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encryption

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7 Questions

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4

22

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How long does it take to crack DES and AES?

aes block-cipher brute-force-attack des

Jun 4 '17 at 22:41 jjhiv 1

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Can a computationally unbounded adversary break any public-key encryption scheme?

public-key brute-force-attack

Sep 25 '11 at 17:21 poncho 111k

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11

votes

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answer

3k

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Why doesn't preimage resistance imply the second preimage resistance?

hash collision-resistance preimage-resistance 2nd-preimage-resistance

Oct 21 '11 at 19:12 fgrieu♦ 103k

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2

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New PRG from old

random-number-generator algorithm-design

Jun 7 '14 at 1:45 mikeazo 36k

5

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1

answer

268

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Why isn't the IND-CCA property inherited when sending redundant ciphertext?

encryption chosen-ciphertext-attack

Nov 14 '11 at 1:18 Paŭlo Ebermann 21k

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Protocol for Randomized Oblivious Transfer?

protocol-design oblivious-transfer

Oct 23 '13 at 3:50 e-sushi 16.8k

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SIM security for two messages

encryption

Oct 3 '11 at 15:46 PulpSpy 8,141

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