poncho

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303 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?
10
How to calculate an IV when I have a shared private key?
10
Exposing RSA private-key data… bad?
9
From hash to Cryptographic hash
9
Why is ciphertext from low entropy plaintext not compressible?
9
Can one have an authentic, but repudiable, message without a previously shared secret?
9
What's the main difference between Pohlig-Hellman and RSA?
9
Secure Hash Function based on AES
9
Is SHA-256 secure as a CTR block cipher?
8
Increased CRC collision probability when adding bits to input message
8
In RSA encryption, does the value of e need to be random?
8
Can there be two hash functions without common collisions?
8
What is the difference between these AES encryption methods
8
Common modulus attack on RSA when the 2 public exponents differ by a single bit
8
After implementing a novel encryption algorithm, how would one go about analyzing its security or get help from others in doing so?
8
Do public/private pairs work both ways?
8
How to solve MixColumns
8
Can RSA encryption produce collisions?
8
Cryptographic security of PHP mt_rand() function using Mersenne Twister algo
8
Can a user of a password-protected Wi-Fi sniff on other user's communication?
8
Why is ElGamal considered non-deterministic?
8
Does knowing common prefixes help crack blowfish?
8
Why use an Initialization Vector (IV)?
7
AES - plaintext is smaller 128 bit - how to expaned?
7
Is there a preferred way/standard on how to transmit an initialization vector for AES encryption
7
What happens if an RSA key pair has identical public and private exponents?
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