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Oct
7
awarded  Talkative
Oct
6
asked Key escrow on indistinguishability games
Oct
6
accepted Correctness vs Completeness
Oct
3
asked Correctness vs Completeness
Sep
25
revised what is the difference between IBE and ABE schemes
added 16 characters in body
Sep
24
answered what is the difference between IBE and ABE schemes
Sep
19
reviewed Approve Is it feasible to use combination of ABE schemes for encrypting the data?
Sep
18
answered Security proofs for CBC mode
Sep
17
reviewed Approve Pollard's Rho - Constructing the random function
Sep
11
comment What exactly is a negligible (and non-negligible) function?
Numerically what is negligible nowdays? $2^{-80},2^{-70},?$ And can this be justified with existing computational power?
Sep
10
revised Why does key generation take an input $1^k$, and how do I represent it in practice?
edited body
Sep
10
answered Why does key generation take an input $1^k$, and how do I represent it in practice?
Sep
7
reviewed Approve How does one calculate the scalar multiplication on elliptic curves?
Aug
29
comment Homomorphic Encryption: how does the equality test on ciphertexts work?
Paillier cryptosystem is also randomized. It is additively homomorphic. EAch time the same message is encrypted in different ciphertexts. However the decryption is deterministic... That's why encryption algorithms are described as randomized processes and decryption as deterministic. The former it's for security while the latter it's for correctness
Aug
29
comment Homomorphic Encryption: how does the equality test on ciphertexts work?
@pAkY88 Well since you are thinking of not decrypting then it seems that you are looking for a homomorhpic hash-tag like primitive...
Aug
29
answered Homomorphic Encryption: how does the equality test on ciphertexts work?
Aug
19
answered Cryptography vs Security
Aug
12
accepted linear computations over bilinear pairings
Aug
12
comment linear computations over bilinear pairings
Thank you. Very illustrative answer!
Aug
12
comment linear computations over bilinear pairings
if $x_2=g_2^{r_1}$ and $x_4=g_2^{r_2}$ does anything change for $r_1, r_2 \in \mathbb{Z}_p$