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ckamath's user avatar
ckamath
  • Member for 10 years, 3 months
  • Last seen more than a month ago
4 votes

Quantum-secure obfuscation

4 votes
Accepted

Intuitively what makes indistinguishability obfuscation useful?

4 votes
Accepted

Usage of pairings in proxy re-encryption algorithm

4 votes

What is purpose of a simulator and extractor in zero knowledge proof protocols?

4 votes
Accepted

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

4 votes

Signature security proof in the Random Oracle model

4 votes

Are there any symmetric cryptosystems based on computational complexity assumptions?

3 votes

Is the concatenation of PRG output still a PRG?

3 votes
Accepted

A RLWE promise problem

3 votes
Accepted

Bit Commitment - from any One Way Permutations

3 votes
Accepted

Sub exponentially hard OWF , PRF and iO

3 votes

Can CPA secure scheme be converted to CCA secure?

3 votes
Accepted

Argument of Knowledge - Definition

3 votes

Decision to Search LWE when modulus $q=p^e$

3 votes

When would one prefer a proof of knowledge instead of a zero-knowledge proof?

3 votes
Accepted

Multiparty dataset intersection count

3 votes

Zero knowledge proof for a discrete logarithm

3 votes
Accepted

Random oracles and the Borel-Cantelli Lemma

2 votes

Cryptography based on #P-complete problems

2 votes
Accepted

Is there a CRHF based on integer factorization problem or RSA assumption

2 votes
Accepted

Definition of soundness for interactive proof systems

2 votes
Accepted

Why do we need "selective security" for ABE?

2 votes

A perfect key exchange similar to the One Time Pad

2 votes

Is there a cryptographic solution to provide a “proof of exclusion”?

2 votes

Time cost of security reduction

2 votes

Is phi-hiding assumption as hard as integer factorization?

2 votes
Accepted

Is it possible to convert a selective secure broadcast encryption scheme to an adaptive secure broadcast encryption scheme?

2 votes

Quantitative reduction of Schnorr's identification scheme to DLP

2 votes
Accepted

Safe primes and subgroups

2 votes

Concrete Example of AND Gate Using Garbled Circuit