Hottest Questions This Month

4 votes

1 answer

1k views

is TLS compression used in modern browsers?

ilkkachu

892

modified 4 hours ago

2 votes

2 answers

1k views

What is meant by software and hardware implementations of cryptograpic schemes? How to do it?

kelalaka

46.5k

modified yesterday

2 votes

3 answers

485 views

Check if encrypted text is equal without decrypting or doing heavy calculation - AES

FSDev

23

modified Sep 28 at 7:24

4 votes

1 answer

1k views

Why do Mersenne Twister use Mersenne prime but not regular prime numbers

fgrieu♦

137k

modified Sep 22 at 5:03

5 votes

1 answer

494 views

Why do Ed25519 use Twisted Edwards curve but not regular Edwards curve

kelalaka

46.5k

modified Sep 13 at 13:10

1 vote

1 answer

750 views

Extracting a secret from a SHA-1 hashing algorithm

dan-ros

113

modified Sep 16 at 13:40

3 votes

3 answers

224 views

State of the art for Graph Isomorphism

Vadym Fedyukovych

2,237

answered 2 days ago

1 vote

2 answers

193 views

PAGE 2: Can I move elements from cyclic subgroup to its cyclic parent group?

fgrieu♦

137k

modified Sep 27 at 3:18

1 vote

2 answers

213 views

Is there still a place for obfuscation (secret algorithms) in encryption?

Meir Maor

11.6k

answered 2 days ago

3 votes

1 answer

176 views

LPN Encryption Homomorphism

Geoffroy Couteau

18.9k

answered Sep 5 at 8:28

0 votes

2 answers

127 views

From Entropy's perspective how Encryption affects a Message?

Schezuk

153

modified Sep 8 at 0:55

1 vote

1 answer

178 views

symmetric key generation - random number vs pbkdf2

forest♦

15k

modified Sep 9 at 6:33

5 votes

1 answer

131 views

Conformance of Windows Random Number Generator (SP800-90A) with Key Lifecycle Security Requirements of the BSI

fgrieu♦

137k

modified Sep 28 at 12:10

2 votes

2 answers

160 views

A question about "attacks on MAC key space"

hellobc

11

answered Sep 22 at 16:15

0 votes

1 answer

96 views

Is there a counterpart of /dev/random and /dev/urandom in Windows NT systems?

Myria

2,451

answered Sep 13 at 21:01

0 votes

1 answer

144 views

Why hash algorithms have many different digest size variants?

Titanlord

2,090

modified yesterday

2 votes

1 answer

107 views

Statistics-heavy crypto papers

kodlu

21k

modified Sep 8 at 14:48

2 votes

2 answers

115 views

Perfect Secrecy other than One-time Pad

Mikero

11.7k

answered Sep 9 at 5:59

1 vote

1 answer

138 views

What is the inverse of this generalised automaton (based on bitwise XOR and modular addition)?

kelalaka

46.5k

modified 2 days ago

0 votes

1 answer

134 views

Is there any cheaper way for multiplying a plaintext scalar to a vector?

Mark

11.3k

answered Sep 25 at 19:36

2 votes

1 answer

132 views

Does using a block cipher in CBC mode twice result in an all-or-nothing transform (AONT)?

kelalaka

46.5k

modified Sep 18 at 8:45

1 vote

1 answer

167 views

How to determine the prefix of a SECP256K1 compressed public key

kelalaka

46.5k

modified Sep 29 at 11:06

1 vote

1 answer

119 views

Deriving of the y-coordinate on secp256k1 elliptic curve

kelalaka

46.5k

modified Sep 12 at 20:53

0 votes

1 answer

71 views

using XOR as a hash function

John Smith

103

modified Sep 8 at 14:16

6 votes

0 answers

191 views

Who originally generated the elliptic curve now known as P256/secp256r1

Paul Uszak

15.1k

modified Sep 26 at 22:38

5 votes

1 answer

110 views

Cryptanalysis of the GOC

fgrieu♦

137k

modified Sep 4 at 19:28

1 vote

1 answer

172 views

Can I move elements from cyclic subgroup to its cyclic parent group?

fgrieu♦

137k

modified Sep 26 at 4:12

1 vote

1 answer

104 views

A RSA crypto CTF chanllenge with known private key ,cipher text and modules factor n

poncho

143k

answered Sep 15 at 19:34

2 votes

1 answer

129 views

48-bit nonce reuse with ChaCha20

Florebol

43

modified Sep 26 at 7:06

-1 votes

1 answer

126 views

How to convert the results of point doubling (Rx1 and Ry1) to point addition (Rx2 and Ry2) without knowledge of Qx and Qy

fgrieu♦

137k

modified 10 hours ago

3 votes

2 answers

76 views

Decrypting McEliece if security assumptions fail

Daniel S

21.3k

modified Sep 10 at 14:40

1 vote

2 answers

74 views

Deriveing y-coordinate

Aviril Smith

29

modified Sep 6 at 22:28

1 vote

2 answers

93 views

MAC from PRF secure under different restriction

Marc Ilunga

2,623

answered Sep 28 at 20:48

-1 votes

2 answers

110 views

Encrypt with private key decrypt with public key

John Targaryen

138

modified Sep 25 at 20:10

1 vote

1 answer

101 views

RSA: in $E(x) \equiv x^e \pmod N$, do we apply the mod function to $x^e$?

Maarten Bodewes♦

91.2k

modified Sep 5 at 22:48

2 votes

1 answer

100 views

SHAKE256 XOF: Absorb incrementally vs all at once

aiootp

703

modified Sep 18 at 23:50

2 votes

2 answers

127 views

Textbook RSA using multiple low public exponent e

fgrieu♦

137k

modified Sep 25 at 15:56

2 votes

1 answer

72 views

$\epsilon$ parameter choice in lattice-based schemes

Gareth Ma

350

modified Sep 27 at 20:23

2 votes

1 answer

72 views

Computing the intersection of two lattices

kelalaka

46.5k

modified Sep 24 at 23:03

7 votes

0 answers

90 views

Who invented salt, and why is it called salt?

fgrieu♦

137k

modified Sep 29 at 6:49

1 vote

1 answer

69 views

Convert multiplication in $GF(2^{128})$ to bitwise AND?

poncho

143k

answered Sep 23 at 1:31

1 vote

1 answer

88 views

Can this algorithm be called a RNG?

bk2204

2,901

answered Sep 8 at 20:43

2 votes

1 answer

85 views

Good S-boxes from ARX designs

LightBit

1,507

modified Sep 16 at 8:08

1 vote

1 answer

85 views

Could Yao's Millionaires' problem be used as a problem of binary search?

kodlu

21k

modified Sep 23 at 23:34

0 votes

1 answer

66 views

Trying to understand the basic principle of RSA from Wikipedia

fgrieu♦

137k

modified Sep 16 at 8:25

1 vote

1 answer

50 views

DDT for boolean functions must contain only powers of two

kodlu

21k

modified Sep 13 at 2:37

1 vote

2 answers

80 views

Efficiently detect that a ciphertext is meant for Alice

poncho

143k

modified Sep 21 at 17:27

1 vote

1 answer

99 views

Manual entropy collection from sources with an arbitrary base

aiootp

703

modified Sep 12 at 1:52

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