Notable Question - Badge - Cryptography Stack Exchange

Notable Question

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Proper use of AES CTR

Awarded 13 hours ago

SOSO30

331 silver badge3 bronze badges

For SHA3-512, SHA512, and Whirlpool, which algorithm has least probability for collision and preimage collision?

Awarded yesterday

7r4c0r

1211 silver badge2 bronze badges

Given an elliptic curve, how do I calculate the order of the points manually, when we don't know about the curve's points?

Awarded 2 days ago

AdHominem

1411 silver badge7 bronze badges

Authenticated encryption mode for stream cipher?

Awarded 2 days ago

evgeniuz

2312 silver badges5 bronze badges

Where are the DH parameters in a Server Exchange Message?

Awarded 2 days ago

user3407319

4851 gold badge6 silver badges8 bronze badges

RFC 4493 (AES-CMAC) algorithm with 256 bit key

Awarded 2 days ago

PolarBear

231 silver badge3 bronze badges

Difference entity authentication and implicit key authentication

Awarded Dec 5 at 8:32

Zork

531 silver badge3 bronze badges

In search of a pedagogically simple example of asymmetric encryption routine?

Awarded Dec 4 at 6:33

Travis Griggs

2112 silver badges4 bronze badges

Twofish fails Dieharder test

Awarded Dec 4 at 0:09

Stepan

2212 silver badges8 bronze badges

Verifiably deterministic ECDSA signatures?

Awarded Dec 1 at 5:47

Tony

1731 silver badge6 bronze badges

Using secp256k1 keys for encryption

Awarded Nov 29 at 8:34

GraphicalDot

1471 silver badge7 bronze badges

TLS 1.2 PRF with HMAC-SHA256

Awarded Nov 29 at 6:57

DonCSI

531 silver badge4 bronze badges

Does larger key size mean larger data size in asymmetric encryption?

Awarded Nov 29 at 3:12

worisi24

411 silver badge2 bronze badges

Bouncy Castle elliptic curve from explicit parameters (E-521)

Awarded Nov 28 at 15:48

Jason Callaway

1161 silver badge5 bronze badges

Calculating amount of time for brute forcing ciphertext depending on the size of the key

Awarded Nov 27 at 9:47

basedian

311 silver badge3 bronze badges

Is the curve25519 algorithm a special(implementation) one of ECDH?

Awarded Nov 24 at 7:56

Anon

1511 silver badge5 bronze badges

Use cases and implementations of RSA CRT

Awarded Nov 23 at 17:11

Raoul722

2,8262 gold badges19 silver badges38 bronze badges

A block cipher with independent keys for each round

Awarded Nov 22 at 16:40

Dingo13

2,8373 gold badges24 silver badges46 bronze badges

Why does NIST want 112-bit security from 128-bit key size for lightweight cryptography?

Awarded Nov 22 at 9:16

kelalaka

47.6k11 gold badges113 silver badges192 bronze badges

Can it ever be impossible to invert a PRNG?

Awarded Nov 21 at 16:35

Paul Uszak

15.2k2 gold badges26 silver badges75 bronze badges

Constructing Garbled Circuits

Awarded Nov 20 at 21:16

Spock

1631 silver badge5 bronze badges

During padding oracle attack (CBC), how is first byte of plaintext block is obtained?

Awarded Nov 19 at 12:21

bleg

511 silver badge3 bronze badges

Paillier VS RSA

Awarded Nov 19 at 3:47

Adam Jones

451 silver badge3 bronze badges

Generating and validating a signature with ED25519 expanded private key

Awarded Nov 18 at 21:57

Miliano

211 silver badge3 bronze badges

Point halving on elliptic curves of even order

Awarded Nov 18 at 6:42

irakliy

9697 silver badges15 bronze badges

OpenSSL: How to convert ec private key(32byte raw key) to pem type private key?

Awarded Nov 16 at 22:45

poiuy925

451 silver badge4 bronze badges

How would I encode RSA private key, given that I know the decimal representation of all of its components?

Awarded Nov 16 at 19:35

adbforlife

31 silver badge2 bronze badges

Is there a way to use Shamir Secret Sharing with updatable data?

Awarded Nov 16 at 4:42

ripper234

1,0071 gold badge9 silver badges13 bronze badges

computational complexity class of decryption of AES [closed]

Awarded Nov 15 at 17:16

Dotdats

211 silver badge2 bronze badges

Is random.org truly reliable?

Awarded Nov 15 at 14:40

Stephanie Hunter

111 silver badge2 bronze badges

What is malicious privacy?

Awarded Nov 14 at 19:08

somuns Miller

631 silver badge6 bronze badges

How to choose parameters for Argon2 for a password vault

Awarded Nov 13 at 11:09

SWdV

1151 silver badge8 bronze badges

Which version of ChaCha is more secure?

Awarded Nov 13 at 10:47

Woodstock

1,3741 gold badge12 silver badges23 bronze badges

CBC-MAC , fixed length, all blocks returned

Awarded Nov 11 at 1:31

danieltorres

4154 silver badges6 bronze badges

Understanding Twist Security with respect to short Weierstrass curves

Awarded Nov 10 at 19:11

Ruggero

6,90429 silver badges39 bronze badges

Understanding ChaCha20-Poly1305 AEAD

Awarded Nov 10 at 14:50

Lev Knoblock

4155 silver badges16 bronze badges

Simulation of Chosen Plaintext Attack on CBC, Predictable IV with OpenSSL

Awarded Nov 9 at 19:35

daniel7558

1411 silver badge4 bronze badges

Can the encryption exponent e be greater than ϕ(N)?

Awarded Nov 9 at 17:09

Balthazar

711 silver badge6 bronze badges

Zero knowledge proofs for a Merkle Tree

Awarded Nov 9 at 13:20

user2505282

2592 silver badges8 bronze badges

how do i implement zero knowledge proof?

Awarded Nov 9 at 11:52

ezio

1571 silver badge4 bronze badges

What is the key length of shared secret by Curve 25519 ECDH

Awarded Nov 9 at 6:21

TJCLK

4775 silver badges17 bronze badges

AES-GCM: Verification before Decryption

Awarded Nov 8 at 20:58

Marm

1211 silver badge5 bronze badges

Regular MACs vs Carter-Wegman MAC

Awarded Nov 7 at 15:25

BlaX

7367 silver badges17 bronze badges

Blake2B as a KDF

Awarded Nov 7 at 6:35

hunter

3,9456 gold badges27 silver badges40 bronze badges

Why does applying 56-bit DES twice only give 57 bits of security? [duplicate]

Awarded Nov 7 at 1:19

user3411002

1711 silver badge3 bronze badges

Brute force knowing a part of the password

Awarded Nov 6 at 19:04

D.Snap

1111 silver badge4 bronze badges

In RSA, how to calculate the private exponent 'd', after choosing 'e'?

Awarded Nov 5 at 19:02

Eric

1371 silver badge7 bronze badges

Breaking effort on both Weak and Strong collision resistance hash values

Awarded Nov 2 at 1:26

Pedro Kali

411 silver badge3 bronze badges

Equality check in homomorphic encryption

Awarded Nov 1 at 20:01

onaheimi3

431 silver badge4 bronze badges

Existential unforgeability vs strong unforgeability

Awarded Oct 31 at 13:25

Evgeni Vaknin

1,0667 silver badges18 bronze badges

Private exponent on RSA key

Awarded Oct 29 at 16:06

Stefano

311 silver badge2 bronze badges

What is the limit of plaintext required to break the Vigenère encryption?

Awarded Oct 29 at 14:55

Bush

2,1302 gold badges18 silver badges26 bronze badges

How to show that this modification of CBC-MAC is insecure?

Awarded Oct 27 at 3:20

EOS

591 silver badge2 bronze badges

What's wrong with RSA and OpenSSL?

Awarded Oct 26 at 20:19

John Doe

1111 silver badge6 bronze badges

Rfc2898DeriveBytes - password length

Awarded Oct 26 at 16:16

toughcanny

331 silver badge3 bronze badges

What are the minimum constraints on RSA parameters and why?

Awarded Oct 24 at 17:25

starfry

1852 silver badges6 bronze badges

What is degree of randomness in individual bits of MD5 hash?

Awarded Oct 24 at 6:11

rijndael

4711 gold badge5 silver badges15 bronze badges

textbook RSA signature scheme security

Awarded Oct 23 at 3:48

Tina26

591 silver badge3 bronze badges

What's happens if we use the weakest S-BOX for AES?

Awarded Oct 20 at 18:12

Hend

411 silver badge2 bronze badges

Is it possible to reduce the size of an RSA key?

Awarded Oct 20 at 8:35

Steffan Donal

1631 silver badge6 bronze badges

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