User Tom

14 votes

3 answers

4k views

Why is the market for cryptographic primitives non-commercialized?

asked Apr 19, 2021 at 18:21

11 votes

3 answers

984 views

Is If/else vulnerable to timing side-channel attacks?

asked May 20, 2022 at 19:44

9 votes

2 answers

2k views

On what Galois field AES really works?

asked May 12, 2022 at 4:09

5 votes

1 answer

483 views

What does that mean, that A5/1 is clocked?

asked May 14, 2021 at 22:14

4 votes

3 answers

934 views

Weak physical random number generator/source - what is this?

asked Oct 6, 2022 at 19:56

3 votes

2 answers

363 views

Skipping first outputs of the stream cipher

asked May 22, 2022 at 20:33

3 votes

0 answers

89 views

Building 256-hash function from 128-bit hash function

asked Sep 26, 2022 at 8:41

3 votes

1 answer

161 views

Does a bigger key mean more security - if we do not change the structure of the algorithm?

asked Apr 28, 2021 at 8:05

2 votes

1 answer

704 views

Cryptographically secure linear congruential generator - is it possible?

asked Dec 29, 2020 at 20:56

2 votes

1 answer

117 views

Can you explain to me how permuted congruential generator XSL-RR-RR works?

asked Jan 1, 2021 at 22:24

2 votes

1 answer

103 views

Average spectral score of multiplier in LCG

asked Dec 28, 2021 at 0:21

2 votes

1 answer

96 views

Factoring kind of problem

asked Aug 25, 2020 at 4:56

2 votes

0 answers

53 views

Requirements for KDF and randomness extractor

asked Sep 25, 2022 at 21:32

2 votes

1 answer

312 views

Carry-less multiplication vs. multiplication in $GF(2^k)$

asked May 12, 2022 at 12:23

2 votes

2 answers

389 views

What is wrong with Middle Square PRNG?

asked Oct 4, 2021 at 0:39

2 votes

1 answer

121 views

Salsa20 offers speeds of around 4–14 cycles per byte, but is it parallelized?

asked Jan 30 at 20:21

1 vote

1 answer

87 views

How to measure the length of the 128-bit PRNG cycle?

asked Sep 28, 2021 at 17:00

1 vote

1 answer

120 views

Does Merkle–Damgård construction requires OWF with two inputs?

asked Oct 7, 2022 at 3:30

1 vote

1 answer

66 views

How to check whether function provides full diffusion or not?

asked Oct 12, 2022 at 2:36

1 vote

1 answer

113 views

Diffusion of arithmetic and bit operations

asked Oct 16, 2022 at 0:53

1 vote

0 answers

73 views

99 in AES s-box, where it came from? [duplicate]

asked May 20, 2022 at 22:50

1 vote

0 answers

248 views

How fast is GHASH and what does it do?

asked May 13, 2022 at 1:28

1 vote

1 answer

211 views

Building 256-hash function from known 64-bit hash functions

asked Oct 1, 2022 at 11:23

1 vote

1 answer

129 views

Bactracking resistance PRNG - real world usage

asked Sep 23, 2022 at 8:57

1 vote

1 answer

57 views

Breaking keyed hash function with half-randomized input

asked Aug 25, 2020 at 16:11

1 vote

1 answer

171 views

Lehmer random number generator - cipher?

asked Sep 17, 2020 at 19:21

1 vote

1 answer

88 views

Lehmer random number generator cipher - looking for differentials

asked Oct 7, 2020 at 17:58

1 vote

2 answers

105 views

Side channel attack - execution time depends on the size of the key

asked Oct 13, 2020 at 14:35

1 vote

0 answers

51 views

Are the weaknesses of my functions attackable?

asked Oct 31, 2020 at 20:50

1 vote

1 answer

310 views

I have a new cryptography algorithm, what should I do?

asked Feb 13, 2020 at 22:48

Stack Exchange Network

64 Questions

Why is the market for cryptographic primitives non-commercialized?

Is If/else vulnerable to timing side-channel attacks?

On what Galois field AES really works?

What does that mean, that A5/1 is clocked?

Weak physical random number generator/source - what is this?

Skipping first outputs of the stream cipher

Building 256-hash function from 128-bit hash function

Does a bigger key mean more security - if we do not change the structure of the algorithm?

Cryptographically secure linear congruential generator - is it possible?

Can you explain to me how permuted congruential generator XSL-RR-RR works?

Average spectral score of multiplier in LCG

Factoring kind of problem

Requirements for KDF and randomness extractor

Carry-less multiplication vs. multiplication in $GF(2^k)$

What is wrong with Middle Square PRNG?

Salsa20 offers speeds of around 4–14 cycles per byte, but is it parallelized?

How to measure the length of the 128-bit PRNG cycle?

Does Merkle–Damgård construction requires OWF with two inputs?

How to check whether function provides full diffusion or not?

Diffusion of arithmetic and bit operations

99 in AES s-box, where it came from? [duplicate]

How fast is GHASH and what does it do?

Building 256-hash function from known 64-bit hash functions

Bactracking resistance PRNG - real world usage

Breaking keyed hash function with half-randomized input

Lehmer random number generator - cipher?

Lehmer random number generator cipher - looking for differentials

Side channel attack - execution time depends on the size of the key

Are the weaknesses of my functions attackable?

I have a new cryptography algorithm, what should I do?