Geoffroy Couteau's user avatar
Geoffroy Couteau's user avatar
Geoffroy Couteau's user avatar
Geoffroy Couteau
  • Member for 8 years
  • Last seen this week
81 votes
Accepted

Does Schnorr's 2021 factoring method show that the RSA cryptosystem is not secure?

72 votes

How do I explain zero knowledge proof to my 7 year old cousin?

47 votes
Accepted

Are cryptographic hash functions quantum secure?

44 votes
Accepted

Is a hash a zero-knowledge proof?

35 votes

Boolean Circuits vs Arithmetic Circuits

23 votes
Accepted

Why Quantum Key Distribution (QKD) is impractical

18 votes
Accepted

What is a (smooth) projective hash function?

16 votes

Are there any (asymmetric) cryptographic primitives not relying on arithmetic over prime fields and/or finite fields?

16 votes
Accepted

Is it hard to compute $g^{ab}$ when given $(g, g^a, g^b, \frac{a}{b})$?

15 votes
Accepted

Could Diffie-Hellman protocol serve as a zero-knowledge proof of knowledge of discrete logarithm?

15 votes
Accepted

Why cannot I assume that cryptography published in venues/journals handled by the same publishers as prestigious journals is serious?

14 votes
Accepted

What is difference between Zero Knowledge proof and Zero Knowledge Proof of Knowledge?

14 votes
Accepted

Is RSA provably secure in the sense of Douglas Stinson's ``provable security''?

14 votes
Accepted

Can we prove possession of an AES-256 key without showing it?

14 votes
Accepted

Does IND-CPA imply PRF?

14 votes
Accepted

What is the link, if any, between Zero Knowledge Proof (ZKP) and Homomorphic encryption?

13 votes
Accepted

Why "pairings on elliptic curve" are used?

13 votes

What are the ways to generate Beaver triples for multiplication gate?

13 votes
Accepted

Zero knowledge proof for sign of message value

13 votes

Examples of frauds discovered because someone tried to mimic a random sequence

12 votes
Accepted

Can Fully Homomorphic Encryption do comparisons?

12 votes
Accepted

Could you list all of the security models in cryptography?

11 votes
Accepted

Why do we use multilinear maps for obfuscation?

11 votes
Accepted

Obfuscating functions that are mostly zero

11 votes
Accepted

Minimizing exchanges for ZK proof of a message with given SHA-256

10 votes
Accepted

Are interactive proofs more secure their non-interactive counterpart?

10 votes

Could celestial objects be used in cryptography?

9 votes
Accepted

Grinding in the Fiat-Shamir heuristic

9 votes
Accepted

Are LPN and LWE problems equivalent?

9 votes

Can I break a random number into two smaller vectors and consider them as two random numbers?

1
2 3 4 5
11