[PDF] Top 20 Obfuscation for Evasive Functions

... program obfuscation. One is to use the notion of indistinguishability obfuscation (IO) [BGI + ...general obfuscation mechanism and conjecture that it is IO for all ...an obfuscation of a ... See full document

... extractable functions with stronger properties such as in- jectiveness or collision-resistance [Dam92, ...extractable functions with such properties are known based on non-standard assumptions regarding ... See full document

... to construct many powerful primitives such as public-key encryption, identity-based encryption, attribute- based encryption (via witness encryption), as well as NIZKs, CCA encryption, deniable encryption [12], and two ... See full document

... Having many of its advantages can be exploited for injecting malicious code, viruses, malware e.g. Code Red worm. Now to mitigate security problems and software privacy saved by SRE, we will devise a technique to deter ... See full document

... program obfuscation and analogous problems have been consid- ered in several other ...hash functions, and so on [BGG95, Mic97, Fis97a, BM97, BKY01, ... See full document

... black-box obfuscation (for the same class of functions), and (ii) we provide a security proof in the generic graded encoding scheme ...Black-Box Obfuscation for all of ... See full document

... extension functions are built on top of the underlying graded encoding without any modifications to the existing procedures — in particular, no extra terms are needed in the public ...extension functions ... See full document

... if the re-randomizability of the underlying scheme guarantees that re-randomization of one ciphertext or another of the same plaintext yields identical distributions, then encryptions under the trapdoor keys are ... See full document

... Software security has become mandatory, from the time software is made available through online .Many software vendors are selling their software’s by the means of online from remote servers to remote clients, in which ... See full document

... Discussion on the implications of our results. It may be tempting to conclude from our results that constructions of iO must be based on candidates for multilinear maps. But of course, this is fallacious: We know that ... See full document

... known obfuscation candidates were for simple classes of functions, such as point functions [Can97], hyperplanes [CRV10], conjunctions [BR13b], and d-CNFs ...general-purpose obfuscation, and ... See full document

... point obfuscation— in particular AIPO—and indistinguishability obfuscation (iO) together make a powerful ...point obfuscation scheme which can securely obfuscate point functions given as input ... See full document

... Phase one includes coding the two programs required for the project, namely- Client and Server programs. The Server program has functionalities which include listening for connection for active clients, relaying the ... See full document

... tampering functions F than traditional error-correcting or error- detecting codes, at the expense of potentially allowing the attacker to replace a given message x by an unrelated message x 0 ... See full document

... The notion of delegatable functional encryption scheme is introduced in this section. Delegat- able functional encryption is a functional encryption scheme having the additional operation of delegation of functional ... See full document

... Connection to [IR89]. Our proof follows the same outline as the proof of Impagliazzo and Rudich [IR89] separating key-agreement protocols from one-way functions (as well as many subsequent works). In essence, ... See full document

... program obfuscation is to transform a given program (say described as a boolean circuit) into another “scrambled” circuit which is functionally equivalent by “hiding” its implementation details (making it hard to ... See full document

... In this work, we describe a polynomial time distinguishing attack on HHSS obfuscation. In other words, we show that there exist two functionally equivalent branching programs but obfuscated programs are actually ... See full document

... of obfuscation that are known not to exist for all circuits (such as virtual black-box obfuscation [15]), general purpose iO might be realizable, and in fact, since the work of Garg et ...one-way ... See full document

... program obfuscation, we need to briefly elaborate on the choice of the computational model in which we are going to imagine ...considering functions which take programs as their input that it matters ... See full document