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Jan
13
answered Implementing a web app where the server cannot decrypt its own data?
Jan
11
answered Key derivation of public key without knowledge of private key
Jan
5
answered Why is the private key generated first in public key crypto?
Dec
21
answered Protecting a short password
Dec
21
answered Which multiplicatively homomorphic encryption scheme supports encryption of 0?
Sep
9
answered How do you create a large PRP from a small one?
Aug
28
answered Proof for composed signatures
Jul
24
answered Rainbow table for DES with all-zero plaintext?
Mar
18
answered Subexponential algorithms for DLP in $\mathbb{Z}_s \times \mathbb{Z}_t$
Mar
16
answered Should different key pairs be used for signing and encryption?
Mar
16
answered Elliptic Curves of different forms
Mar
6
answered Secure Broadcast Channel
Mar
4
answered Is it possible to calculate the 'skeleton key' for DUAL_EC_DRBG? What would it take?
Mar
3
answered Is it meaningful to consider the leakage of master key of KGC?
Feb
19
answered Is it possible to tweak AES-GCM so that it is satisfactory for whole-disk encryption (like XTS mode)?
Feb
19
answered Homomorphic crypto allowing anonymous yes/no votes?
Feb
12
answered crypto design with AES256 MODE OFB
Feb
7
answered One-way permutation over a small interval?
Feb
6
answered Computationaly hard detokenization algorithm for credit card numbers
Feb
5
answered Can you prove the existance of a PRG $G$ s.t. for each even $k$: $G(k)=G(k+1)$?