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Q-Club
  • Member for 5 years, 9 months
  • Last seen more than 2 years ago
76 votes
4 answers
11k views

How come Public key cryptography wasn't discovered earlier?

  • 919
41 votes
12 answers
13k views

Differences between industrial and military cryptography

  • 1,866
34 votes
2 answers
5k views

What are recommended, general strategies to start block-cipher design and/or analysis?

  • 44.7k
33 votes
3 answers
8k views

How practical are side-channel attacks and how much of a concern are they?

  • 37.8k
31 votes
2 answers
8k views

Fixed point of the SHA-256 compression function

30 votes
2 answers
44k views

What is the difference between SHA-3 and SHA-256?

  • 435
26 votes
4 answers
6k views

What makes Quantum Cryptography secure?

  • 373
25 votes
5 answers
7k views

Can a hard drive store clear text data that is physically impossible to retrieve?

  • 411
24 votes
5 answers
4k views

How useful is NIST's Randomness Beacon for cryptographic use?

23 votes
5 answers
8k views

Desirable S-box properties

  • 3,367
21 votes
2 answers
2k views

Choice of multiplication polynomial in Rijndael s-box affine mapping

  • 12.7k
20 votes
2 answers
1k views

How were one-time pads and keys historically generated?

  • 785
19 votes
1 answer
846 views

Quantum complexity of LWE

  • 1,225
18 votes
0 answers
400 views

Adding bit constants to the key schedule to reduce rounds?

  • 4,244
18 votes
1 answer
931 views

Message-Recovery variant of Ed25519 signature?

  • 125k
15 votes
1 answer
1k views

Doubt about published test vectors for gimli hash

  • 1,015
14 votes
3 answers
1k views

Can we ensure the security of a crypto-algorithm and -implementaton against acoustic cryptanalysis?

  • 17.4k
13 votes
0 answers
211 views

Space complexity of quantum collision search?

12 votes
3 answers
2k views

How small is negligible?

  • 313
12 votes
3 answers
11k views

What is the difference between SHA-3(Keccak) and previous generation SHA algorithms?

12 votes
2 answers
1k views

Why is pqRSA in the NIST PQC submissions?

  • 13.5k
11 votes
1 answer
1k views

Collision resistance of hash function built on modular exponentiation

  • 394
11 votes
3 answers
4k views

How to evaluate chi squared result?

11 votes
2 answers
4k views

SHAKE-128/256 or SHA3-256/512

10 votes
1 answer
386 views

AES cache-timing attacks and nonce-based operation modes

  • 2,694
10 votes
2 answers
349 views

Which symmetric encryption systems, pseudorandom number generators, and hash functions are best suited for reversible computers?

10 votes
2 answers
256 views

Historic Authentication Schemes Before Computers

  • 101
10 votes
2 answers
6k views

Definitions of secrecy

  • 1,158
9 votes
2 answers
613 views

Functional difference between stream cipher, XOF, seed expander, KDF, etc

  • 6,795
9 votes
4 answers
3k views

Lightweight cipher using only 8-bit operations

  • 13.5k
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