Oblivious Transfer via Lossy Encryption from Lattice-Based Cryptography

Table 1

The comparison of some related works with our scheme.

Scheme	assumption	message size	bit Dec	one-time Dec	applications
GPV [15]	LWE/SIS	1	✔	✘	PKE&IBE
PVW [10]	LWE	1	✘	✔	PKE&OT
LPS [16]	SSP	t	✔	✔	PKE&OT
Our scheme	LWE	t	✔	✔	PKE&OT