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24
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Apr
24
answered
Are cryptographic hash functions perfect hash functions?
Jul
21
asked
Can I jettison MAC if I already have SHA1(M)?
Feb
20
asked
Exposing RSA private-key data… bad?
Nov
29
answered
What are the practical difference between 256-bit, 192-bit, and 128-bit AES encryption?
Nov
28
asked
Why is MixColumns omitted from the last round of AES?
Nov
19
asked
What are the consequences of a MAC tag collision?
Nov
5
answered
Is there a simple hash function that one can compute without a computer?
Oct
15
asked
Does AES have any fixed-points?
Sep
30
asked
What is the “Random Oracle Model” and why is it controversial?
Sep
29
asked
How did the Koblitz/Menezes papers affect the cryptography community?
Sep
27
answered
Is Diffie-Hellman mathematically the same as RSA?
Sep
20
answered
Accelerating SHA-1
Sep
20
asked
Accelerating SHA-1
Sep
18
answered
How do I apply differential cryptanalysis to a block cipher?
Sep
18
asked
Converting a stream cipher into a block cipher
Sep
18
asked
How to forge Schnorr signatures if you can guess the challenge
Sep
16
answered
Understanding CRC
Sep
16
asked
What is Identity-Based Encryption (IBE) and why is it “better”?
Sep
15
asked
Selecting a large random prime
Sep
15
answered
UMAC: to what extent is it in use today?
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