Structure-Preserving Chosen-Ciphertext Security with Shorter Verifiable Ciphertexts Benoˆıt Libert1, Thomas Peters2(B), and Chen Qian3 1 CNRS, Laboratoire LIP (CNRS, ENSL, U. Lyon, Inria, UCBL), ENS de Lyon, Lyon, France 2 FNRS & UCLouvain, ICTEAM, Louvain-la-Neuve, Belgium ...
The function g : Wgate × {0, 1}2 → {0, 1} specifies the gate function g(i, ·, ·) = gi(·, ·) of each gate i. We leave out the parameter i if it is clear from context. We define the notion of garbling schemes as follows. Definition 1 (Garbling Scheme). A gar...
DphaataseCs.oFlliercsttioonf aSltla, gDeS,s identity should be audited by the PC. And then, the CKA generates the access structure for the data. At last, the collected data is encrypted with a symmetric encryption and the sDymatma ectorlilceckteioynissetangcerysphtoewd swtihthe CfloPw-...