poncho

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314 Answers

newest activity votes
13
Can a computationally unbounded adversary break any public-key encryption scheme?
sep 25 '11 at 17:21
12
How does one attack a two-time pad (i.e. one time pad with key reuse)?
apr 1 '12 at 1:34
12
Why do we use encrypt-decrypt-encrypt (EDE) in 3DES, rather than encrypting three times?
mar 9 '12 at 14:09
11
Is RC4 a problem for password-based authentication?
aug 4 at 23:57
10
Is RSA padding needed for single recipient, one-time, unique random message?
mar 26 '12 at 18:58
10
How to calculate an IV when I have a shared private key?
mar 23 '12 at 15:52
10
Exposing RSA private-key data… bad?
feb 20 '12 at 18:22
9
Can cryptography be used to hide routing information from the router?
jun 14 at 18:12
9
From hash to Cryptographic hash
feb 20 at 19:29
9
Why is ciphertext from low entropy plaintext not compressible?
jun 15 '12 at 20:52
9
Can one have an authentic, but repudiable, message without a previously shared secret?
dec 12 at 21:41
9
What's the main difference between Pohlig-Hellman and RSA?
oct 10 at 11:01
9
Secure Hash Function based on AES
aug 27 at 20:46
9
Is SHA-256 secure as a CTR block cipher?
jan 13 '12 at 17:50
8
Increased CRC collision probability when adding bits to input message
may 8 at 15:45
8
In RSA encryption, does the value of e need to be random?
dec 4 at 16:50
8
Can there be two hash functions without common collisions?
nov 8 at 19:53
8
What is the difference between these AES encryption methods
jun 22 '12 at 18:47
8
Common modulus attack on RSA when the 2 public exponents differ by a single bit
aug 14 at 13:40
8
After implementing a novel encryption algorithm, how would one go about analyzing its security or get help from others in doing so?
may 25 '12 at 18:48
8
Do public/private pairs work both ways?
may 4 '12 at 18:11
8
How to solve MixColumns
apr 19 '12 at 18:15
8
Can RSA encryption produce collisions?
apr 15 '12 at 11:35
8
Cryptographic security of PHP mt_rand() function using Mersenne Twister algo
mar 31 '12 at 19:19
8
Can a user of a password-protected Wi-Fi sniff on other user's communication?
mar 28 '12 at 20:27
8
Why is ElGamal considered non-deterministic?
dec 14 '11 at 20:35
8
Does knowing common prefixes help crack blowfish?
nov 22 '11 at 19:00
8
Why use an Initialization Vector (IV)?
sep 20 '11 at 16:36
7
In RSA, do I calculate d from e or e from d?
sep 25 '11 at 2:40
7
Why use $(r,s)$ instead of $(r,s^{-1})$ as DSA signature?
jun 6 at 14:41
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