poncho

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14,572 reputation

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302 Answers

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13	Can a computationally unbounded adversary break any public-key encryption scheme?
12	Why do we use encrypt-decrypt-encrypt (EDE) in 3DES, rather than encrypting three times?
11	Is RC4 a problem for password-based authentication?
11	How does one attack a two-time pad (i.e. one time pad with key reuse)?
10	Is RSA padding needed for single recipient, one-time, unique random message?

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14,572 Reputation

+65	How does OAEP improve the security of RSA?
+35	Generating IV in TLS 1.2
+10	Why not use CTR with a randomized IV?
+10	Does encrypting twice using the same block cipher produce a security weakness?

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1 Question

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3	Why would anyone use an elliptic curve with a cofactor > 1?

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227 encryption × 52	126 aes × 30
212 rsa × 49	114 cryptanalysis × 30
173 public-key × 38	86 diffie-hellman × 21
163 hash × 36	76 initialization-vector × 14
128 block-cipher × 28	61 modes-of-operation × 15

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Enlightened × 3	hash
Nice Answer × 6	Custodian
block-cipher	Yearling
cryptanalysis	public-key
aes	rsa

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