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Ay.'s user avatar
Ay.
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6 votes
1 answer
440 views

What is the shortest ciphertext size output by FHE?

4 votes
1 answer
450 views

A hash-based pseudorandom function

3 votes
3 answers
1k views

Truncating the output of AES-128

2 votes
0 answers
230 views

Rewinding techniques with some examples

2 votes
0 answers
622 views

Performance of Fully homomorphic encryption VS Paillier encryption in Practice

2 votes
1 answer
124 views

Entropy of a random message chosen by an adversary from a subdomain

2 votes
1 answer
82 views

Why do we need multiple adversaries in a game-based definition?

2 votes
0 answers
43 views

Merkle tree-based PoR

1 vote
0 answers
80 views

Universal composability: Can an ideal functionality call other ideal functionalities?

1 vote
0 answers
91 views

Generating a MAC on a Polynomial

1 vote
1 answer
315 views

Is there any non-interactive zero knowledge proof for Diffie-Hellman tuples

1 vote
1 answer
141 views

Does semi-honest adversary eavesdrop honest parties communication?

1 vote
1 answer
254 views

How to compare one time pad security and efficiency with AES?

1 vote
1 answer
613 views

The role of IV when AES is used as $PRF$

1 vote
0 answers
41 views

Privacy preserving functions vs secure multi-party computation

0 votes
3 answers
190 views

How to encrypt a message such when a certain condition is met it can be decrypted?

0 votes
1 answer
142 views

Can we prove $(a,b,c,d)$ is of form $(g,g^x,g^y,g^{xy})$ without knowing $\phi (N)$?

0 votes
1 answer
101 views

Analysing communication complexity of a protocol

0 votes
1 answer
150 views

Is the hash-based commitment IND-CPA?

0 votes
3 answers
151 views

Are the shares of Shamir secret sharing uniformly distributed random numbers?

0 votes
0 answers
43 views

What is a quantifier in game-based definitions?