Geoffroy Couteau's user avatar
Geoffroy Couteau's user avatar
Geoffroy Couteau's user avatar
Geoffroy Couteau
  • Member for 8 years, 1 month
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4 votes
Accepted

What is the shortest ciphertext size output by FHE?

4 votes
Accepted

What is the Knowledge Of Secret Key Assumption (KOSK)

4 votes

PRP, PRF change at next selection?

4 votes
Accepted

MPC and Secret Sharing in not Fully-Connected Network

4 votes

Examples of protocols that are insecure when run concurrently

4 votes
Accepted

Sigma protocol when order is unknown

4 votes
Accepted

Secure Multi-Party Computation (MPC) protocol with all dishonest parties

4 votes

Extending the OR-proof to more than two statements

4 votes

A source of randomness that anyone can independently, conveniently and robustly access?

4 votes
Accepted

What is the difference between zk-SNARK and NIZK?

4 votes

SS/HE/GC/OT secure integer comparison

4 votes
Accepted

Silent Oblivious Transfer Question

4 votes

is it necessary to write C=E(K,P), Can we write C=E(P,K)?

4 votes
Accepted

What security problem would cause if I reuse a NIZK proof?

4 votes
Accepted

Assumptions on zero-knowledge proofs without trusted setup

4 votes
Accepted

LPN Encryption Homomorphism

4 votes
Accepted

Separation between CDH and DDH

4 votes

Secure channel: Is there a assumption in an MPC protocol that the communication between different parties is secure?

3 votes
Accepted

Coin flipping without commitments or random oracles

3 votes

Is there a notion of information theoretic one-way function?

3 votes

How to compare two field elements in Arithmetic Circuit?

3 votes

What does a semi-malicious setting mean in MPC? How is it different from malicious or semi-honest setting?

3 votes
Accepted

Converting a random OLE (oblivious linear function evaluation) to an OLE

3 votes

Securely computing the addition of n numbers owned by n people

3 votes
Accepted

Must general secure two-party computation be implemented based on public-key encryption primitives?

3 votes

Group for which computing inverse is hard

3 votes
Accepted

average-case SIS and average-case BDD

3 votes
Accepted

Commitment schemes for arbitrarily large integers

3 votes
Accepted

Is PRF XORed with its key still a PRF? (always)

3 votes

Homomorphic encryption for multiplication (AND) on bits only?

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