Reverse Firewalls for Oblivious Transfer Extension and Applications to Zero-Knowledge

ePrint Report: Reverse Firewalls for Oblivious Transfer Extension and Applications to Zero-Knowledge

Suvradip Chakraborty, Chaya Ganesh, Pratik Sarkar

In the setting of subversion, an adversary tampers with the machines of the honest parties thus leaking the honest parties' secrets through the protocol transcript. The work of Mironov and Stephens-Davidowitz (EUROCRYPT’15) introduced the idea of reverse firewalls (RF) to protect against tampering of honest parties' machines. All known constructions in the RF framework rely on the malleability of the underlying operations …

applications eprint report extension firewalls oblivious reverse