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13
Can a computationally unbounded adversary break any public-key encryption scheme?
crypto.stackexchange.com
12
Why do we use encrypt-decrypt-encrypt (EDE) in 3DES, rather than encrypting three times?
crypto.stackexchange.com
11
How does one attack a two-time pad (i.e. one time pad with key reuse)?
crypto.stackexchange.com
11
Is RC4 a problem for password-based authentication?
crypto.stackexchange.com
10
Exposing RSA private-key data… bad?
crypto.stackexchange.com
10
How to calculate an IV when I have a shared private key?
crypto.stackexchange.com
10
Is RSA padding needed for single recipient, one-time, unique random message?
crypto.stackexchange.com
9
Is SHA-256 secure as a CTR block cipher?
crypto.stackexchange.com
9
Why is ciphertext from low entropy plaintext not compressible?
crypto.stackexchange.com
9
Secure Hash Function based on AES
crypto.stackexchange.com
9
What's the main difference between Pohlig-Hellman and RSA?
crypto.stackexchange.com
9
Can one have an authentic, but repudiable, message without a previously shared secret?
crypto.stackexchange.com
9
From hash to Cryptographic hash
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9
Can cryptography be used to hide routing information from the router?
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8
Why use an Initialization Vector (IV)?
crypto.stackexchange.com
8
Does knowing common prefixes help crack blowfish?
crypto.stackexchange.com
8
Why is ElGamal considered non-deterministic?
crypto.stackexchange.com
8
Can a user of a password-protected Wi-Fi sniff on other user's communication?
crypto.stackexchange.com
8
Cryptographic security of PHP mt_rand() function using Mersenne Twister algo
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8
Can RSA encryption produce collisions?
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8
How to solve MixColumns
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8
Do public/private pairs work both ways?
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8
After implementing a novel encryption algorithm, how would one go about analyzing its security or get help from others in doing so?
crypto.stackexchange.com
8
What is the difference between these AES encryption methods
crypto.stackexchange.com
8
Common modulus attack on RSA when the 2 public exponents differ by a single bit
crypto.stackexchange.com
8
Can there be two hash functions without common collisions?
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8
In RSA encryption, does the value of e need to be random?
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8
Increased CRC collision probability when adding bits to input message
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7
What place do prime numbers have in cryptography?
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7
In RSA, do I calculate d from e or e from d?
crypto.stackexchange.com
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