All Questions
4 questions
1
vote
0
answers
129
views
Why there is so high computational cost of multiplication in Microsoft Seal?
I was doing some Microsoft Seal testing on my macbook pro (i7) and got following results
Coefficient mod $q = 100$ bits and Polynomial degree $n= 8192$
Ciphertext-Plaintext multiplication takes 0.211 ...
1
vote
1
answer
427
views
What are limits of Modulus Switching in BFV encryption?
I want to understand the limits of modulus switching in BFV.
Lets assume $q$ represents ciphertext modulus and $t$ represents plaintext modulus.
$q$ is set to a $60$ bit value and $t$ is set to $20$ ...
0
votes
0
answers
62
views
GSW and homomorphic addition on integers
Is it possible to use the GSW scheme (Gentry, Sahai, Waters) also on integer values and not just single bits? If not, are there any schemes that support integer arithmetic with the same nice property ...
0
votes
0
answers
72
views
GSW13 scheme and integer arithmetic
I'm new to lattice-based cryptography and have trouble understanding if the GSW13 (Gentry, Sahai, Waters) scheme works only on single bits. But is it also possible to encrypt integers with this scheme ...