[PDF] Top 20 Foundations of Garbled Circuits

... Abstract. Garbled circuits, a classical idea rooted in the work of Andrew Yao, have long been understood as a cryptographic technique, not a cryptographic ... See full document

... the foundations of garbled circuits set forth by Bellare, Hoang, and Rogaway (CCS 2012, ASIACRYPT 2012) to build verified im- plementations of garbling schemes, a verified implementation of Yao’s ... See full document

... The main difference of the two security properties is that in case of privacy the adversary obtains the whole information needed to evaluate the garbled circuit and decode the result. However, for obliviousness ... See full document

... of garbled circuits use four ciphertexts per gate, although various methods have been proposed to reduce this ...smaller garbled circuits than any prior ...be garbled with a single ... See full document

... t garbled circuits for the same soundness, reducing the number of garbled circuits by (at least) a factor of ...t garbled circuits (for soundness 2 −t ... See full document

... more circuits than the expectation of a half to each child, but this causes a chain reaction as now each of them need to give their children another push beyond expectation and so ...extra garbled ... See full document

... step circuits and the database ...the garbled encryption tables are now replaced with garbled step ...step circuits has the desired locality property, meaning that given only the locations ... See full document

... reusable garbled circuits), where a function f is encoded in an expensive preprocessing phase, and subsequently any input x for the function can be encoded in time that is independent of the complexity of f ... See full document

... boolean circuits) is comparable to other implemented constructions with only semi-honest security, a single execution of an AES block requires 232 ms in Sharemind [LTW13], ...boolean circuits circuit but ... See full document

... Yao’s garbled circuit construction, the secrecy of the input completely breaks down if a pair of input keys is re- ...of garbled circuits and related primitives that are resilient to up to t fully ... See full document

... plain garbled circuits and witness ...combining garbled circuits and witness encryption has already appeared in three recent works by Gordon, Liu, and Shi [GLS15], Cho et ...Our garbled ... See full document

... We conduct all experiments at a 128-bit security level. For our implementation of exponential ElGamal, we use the 256-bit elliptic curve numsp256d1. We instantiate the OT scheme at the 128-bit security level using the ... See full document

... amortized garbled circuit techniques [12], ...Yao Garbled Circuits (Yao GC) protocol is a practical method that entirely preserves the privacy of the inputs and reveals no more than the private ... See full document

... parallel Garbled RAM was initiated in the paper of Boyle, Chung and Pass [3] where they study it in the context of building an Oblivious Parallel RAM (this work, along with another paper on Oblivious Parallel RAM ... See full document

... This task is trivial if one reveals both the function encoding and the input encoding together after the input is specified. However, this task becomes highly non-trivial if we require the size of the input encoding to ... See full document

... three circuits instantiated with different parameters hardwired into ...these garbled circuits can “talk to each ...first garbled circuit produce as output the labels needed for the inputs of ... See full document

... of garbled code random access memory and the control circuit to construct the garbled random access stored-program machine ...scheme, garbled code is the sequence of CPU instructions stored in the ... See full document

... Recently, there has been much interest in the problem of concretely efficient secure MPC, where “concretely efficient” refers to protocols that are sufficiently efficient to be implemented in practice (in particular, ... See full document

... the circuits which we described above. The circuits are building blocks to perform the following procedures: We have one circuit searches for a memory location in a bucket and returns the memory contents ... See full document

... Boolean circuits for programs ...the garbled program is proportional to both the runtime and space of the plaintext ...the garbled circuit [KS08, KMR14, ZRE15], in garbling arithmetic circuits ... See full document