CodesInChaos

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1927
bio website github.com/CodesInChaos
location Munich, Germany
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visits member for 1 year, 11 months
seen 9 hours ago
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97 Answers

newest activity votes
3
Why is H(message||secret_key) not vulnerable to length-extension attack?
jun 14 at 16:35
3
“proof of access” schemes
jun 9 at 16:22
3
How to use salt if I am sending hashed password?
apr 14 at 12:34
4
Pseudo Random Generator (PRG) from Rabin function
apr 12 at 17:15
6
AES Message Authentication Vulnerability
apr 10 at 7:28
3
“Weaknesses” in SHA-256d?
apr 7 at 9:30
3
which asymmetric cipher provide highest performance?
mar 26 at 8:30
3
Is solving a modular linear equation a hard problem when the coefficient is not an invertible element?
mar 2 at 14:58
12
Can I find two specific words with the same md5 hash?
feb 26 at 11:10
0
Turning a cipher into a hashing function
feb 25 at 12:03
3
Why nobody considers counter re-keying as a standard Block Cipher Mode?
feb 22 at 20:34
3
Scrypt as a KDF with one-time high-entropy input
feb 15 at 20:03
8
Why is triple-DES using three different keys vulnerable to a meet-in-the-middle-attack?
feb 14 at 13:58
7
What is 'security margin'?
feb 8 at 11:59
14
RSA primes vs. largest known primes
feb 6 at 9:11
7
Crypto puzzle as proof of randomness?
feb 3 at 17:14
2
Commutativity of keyed hashes
feb 2 at 9:46
6
What is a tweakable block cipher?
jan 31 at 18:26
4
Non-cryptographic hash function as MAC for stream ciphers
jan 22 at 18:10
5
How to salt PBKDF2, when generating both an AES key and a HMAC key for Encrypt then MAC?
jan 11 at 18:05
6
Examples of applications that use the Schnorr digital signature?
jan 9 at 20:30
3
Is 512-bit RSA still safe for signature generation?
jan 7 at 20:56
2
Where can I learn basic cryptography to know more about passwords and Bitcoin?
jan 7 at 15:02
5
Difference between symmetric and asymmetric hash function?
dec 30 at 19:36
2
Why does Fortuna (RNG) require entropy sources to specify accumulator pool?
dec 24 at 15:38
6
Why is it important that phi(n) is kept a secret, in RSA?
dec 20 at 12:27
2
How many bits of hash are realistically needed for key verification?
dec 19 at 20:11
5
AES Key Length vs Block Length
dec 17 at 13:52
1
use the same pad reversed
dec 17 at 13:28
3
Can the encryption exponent e be greater than ϕ(N)?
dec 17 at 13:05
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