User Jan Leo

9 votes

2 answers

984 views

How could Fully Homomorphic Encryption support power operations?

asked Apr 7, 2014 at 11:20

9 votes

2 answers

4k views

How to hash similar strings to the same hash value?

asked Aug 13, 2015 at 14:39

5 votes

1 answer

2k views

Which public key encryption scheme is re-randomizable? How can I re-randomize an encryption scheme?

asked Sep 3, 2014 at 20:08

5 votes

1 answer

1k views

Why can't garbled circuits be reused?

asked Oct 18, 2014 at 6:51

5 votes

1 answer

892 views

Is ElGamal encryption still secure if the randomness is known to be even?

asked May 20, 2016 at 20:17

4 votes

1 answer

192 views

How to prove a lemma that is based on phi-hiding assumption?

asked Jun 13, 2016 at 8:35

4 votes

2 answers

328 views

On the security definition of password-authenticated key exchange

asked Apr 22, 2016 at 9:02

4 votes

1 answer

133 views

Can we run a probabilistic function on ciphertext with Functional Encryption (or Attribute Based Encryption)?

asked Oct 19, 2014 at 20:32

4 votes

2 answers

655 views

Which multiplicatively homomorphic encryption scheme supports encryption of 0?

asked Dec 21, 2014 at 8:44

3 votes

1 answer

108 views

Optimal bandwidth cost for Oblivious RAM

asked May 4, 2015 at 10:09

3 votes

1 answer

1k views

How to use ElGamal to encrypt zero?

asked Dec 20, 2014 at 18:17

3 votes

3 answers

2k views

How can I do minus on plaintexts in the Paillier cryptosystem?

asked Oct 3, 2014 at 18:32

3 votes

1 answer

831 views

Is there an additively homomorphic encryption scheme that supports calculating a square root on the ciphertext?

asked Oct 22, 2015 at 17:22

2 votes

3 answers

332 views

Is there an oblivious decryption scheme?

asked Jun 4, 2014 at 20:32

2 votes

1 answer

265 views

Why is proving "parties' views are simulatable" enough in semi-honest model?

asked Dec 4, 2014 at 9:09

2 votes

1 answer

1k views

How to implement homomorphic multiplication for Elgamal?

asked Dec 20, 2014 at 8:50

2 votes

1 answer

399 views

Is one-time-pad still secure if the number of 1's in the key is revealed to the attacker?

asked Jul 7, 2015 at 19:31

2 votes

0 answers

376 views

How can I multiply an additively homomorphic encrypted value by a float number?

asked Oct 21, 2015 at 8:34

1 vote

1 answer

933 views

Which homomorphic encryption scheme has the same size of plaintext space and ciphertext space?

asked Apr 23, 2014 at 7:48

1 vote

1 answer

119 views

server aid secure equality test

asked Jun 5, 2014 at 8:27

1 vote

1 answer

165 views

Is Paillier cryptosystem commutative?

asked Nov 3, 2014 at 11:36

1 vote

1 answer

158 views

Can we do modulus switching for number theoretic encryption?

asked Apr 28, 2016 at 18:55

0 votes

1 answer

176 views

Why is Tor alone not enough to guarantee anonymity for Bitcoin?

asked Nov 17, 2015 at 16:43

0 votes

0 answers

71 views

Locally Dedcodable Codes and Private Information Retrieval

asked Apr 8, 2014 at 18:09

Stack Exchange Network

24 Questions

How could Fully Homomorphic Encryption support power operations?

How to hash similar strings to the same hash value?

Which public key encryption scheme is re-randomizable? How can I re-randomize an encryption scheme?

Why can't garbled circuits be reused?

Is ElGamal encryption still secure if the randomness is known to be even?

How to prove a lemma that is based on phi-hiding assumption?

On the security definition of password-authenticated key exchange

Can we run a probabilistic function on ciphertext with Functional Encryption (or Attribute Based Encryption)?

Which multiplicatively homomorphic encryption scheme supports encryption of 0?

Optimal bandwidth cost for Oblivious RAM

How to use ElGamal to encrypt zero?

How can I do minus on plaintexts in the Paillier cryptosystem?

Is there an additively homomorphic encryption scheme that supports calculating a square root on the ciphertext?

Is there an oblivious decryption scheme?

Why is proving "parties' views are simulatable" enough in semi-honest model?

How to implement homomorphic multiplication for Elgamal?

Is one-time-pad still secure if the number of 1's in the key is revealed to the attacker?

How can I multiply an additively homomorphic encrypted value by a float number?

Which homomorphic encryption scheme has the same size of plaintext space and ciphertext space?

server aid secure equality test

Is Paillier cryptosystem commutative?

Can we do modulus switching for number theoretic encryption?

Why is Tor alone not enough to guarantee anonymity for Bitcoin?

Locally Dedcodable Codes and Private Information Retrieval