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Geoffroy Couteau's user avatar
Geoffroy Couteau's user avatar
Geoffroy Couteau's user avatar
Geoffroy Couteau
  • Member for 8 years, 4 months
  • Last seen this week
4 votes
Accepted

Sigma protocol when order is unknown

3 votes

Proof that $g(x) = f(x) || f(f(x))$ is a OWF when $f$ is a OWF

6 votes

Difference left-or-right CPA security, IND-CPA security

2 votes

How Paillier cryptosystem can be used practically to encrypt and decrypt big messages "m"?

2 votes
Accepted

Is an invulnerable code possible (including brute force attack)?

3 votes
Accepted

Proving multiple products "in the exponent"

3 votes

How is PBKDF2 so much better than normal Hashing or even using HMAC

3 votes
Accepted

General factoring and one-way functions

0 votes

Zero-knowledge transfer of value protocol II

0 votes
Accepted

Does anyone know an easily creatable asymmetric cryptosystem for usage in VDF?

1 vote

Zero knowledge proof with sum

7 votes
Accepted

Verifiable delay functions vs Proof of Sequential Work

5 votes
Accepted

MPC and Secret Sharing in not Fully-Connected Network

2 votes

Is there an equivalent to an RSA UFO in lattice-based cryptography?

4 votes
Accepted

Are oracles needed in security proofs to prove that one problem is equivalent to the other?

11 votes
Accepted

Are interactive proofs more secure their non-interactive counterpart?

6 votes

Space complexity and cryptography

3 votes
Accepted

Given A, B, G, H prove the I know x s.t. $A=xG$ and $B=xH$

1 vote
Accepted

Given $P=xG$, prove in zero knowledge that I know $sqrt(x)$

2 votes
Accepted

current state of 3-SAT problem?

1 vote

Why do we use addition and multiplication in GMW protocol

4 votes

PRP, PRF change at next selection?

2 votes
Accepted

Time locked cryptography using Bitcoin difficulty param and/or smart contract?

8 votes

Why is a common reference string needed in zero knowledge proofs?

13 votes
Accepted

Zero knowledge proof for sign of message value

3 votes
Accepted

How would I prove a number is not within a range?

1 vote

RSA - Very big Modulus and Ciphertext

1 vote

How does changing input size affect The Goldreich-Goldwasser-Micali Construction?

8 votes
Accepted

How does the random oracle model simplify proofs versus using the standard model?

4 votes
Accepted

What is the Knowledge Of Secret Key Assumption (KOSK)

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