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Defense Advanced Research Projects AgencyStaff

Dr. Joshua Baron

Dr. Joshua Baron

Information Innovation Office (I2O)

Program Manager

Dr. Joshua Baron joined DARPA’s Information Innovation Office (I2O) as a program manager in August 2017. His research interests include cryptography, privacy, and anonymity.

Prior to his position at DARPA, Baron was at RAND Corporation, where he conducted policy analysis for the Department of Defense, mostly the U.S. Air Force and Joint Staff. Baron’s research investigated methods and tools to enable the development of enhanced decision-making capabilities for cyberspace operations. He also examined policy implications of virtual currencies as well as various cryptographic technologies. Before joining RAND, Baron worked for HRL Laboratories, conducting research on secure multiparty computation.

Baron holds Doctorate of Philosophy and Master of Arts degrees in mathematics from the University of California, Los Angeles and a Bachelor of Arts in mathematics from the University of California, Berkeley. Baron’s doctoral work focused on secure multiparty computation. Baron is a co-inventor on eight patents and co-author of nine journal and conference publications, virtually all relating to cryptography.



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    • Contact Dr. Joshua Baron

    Programs

    Brandeis
    How can society responsibly reap the benefits of big data while protecting individual privacy?
    SAFEWARE
    It is easy to reverse engineer software today. An attacker generally requires no more than a basic debugger, a compiler and about a day's effort to de-obfuscate code that has been obfuscated with the best current methods. The reason for the relative ease is that program obfuscation is primarily based on "security through obscurity" strategies, typified by inserting passive junk code into a program’s source code. Existing program obfuscation methods also do not have quantifiable security models, and so it is difficult even to measure how much security is gained by a given obfuscation effort.
    Resilient Anonymous Communication for Everyone (RACE)
    The Resilient Anonymous Communication for Everyone (RACE) program will research technologies for a distributed messaging system that can: a) exist completely within a given network, b) provide confidentiality, integrity, and availability of messaging, and c) preserve privacy to any participant in the system. Compromised system data and associated networked communications should not be helpful for compromising any additional parts of the system.
    Securing Information for Encrypted Verification and Evaluation (SIEVE)
    A zero-knowledge (ZK) proof is an interactive protocol between a prover and a verifier. The prover creates a statement that they want the verifier to accept, using knowledge that will remain hidden from the verifier. Recent research has substantially increased the efficiency of ZK proofs, enabling real-world use, primarily by cryptocurrencies. While useful for cryptocurrencies, the ZK proofs created are specialized for this task and do not necessarily scale for transactions that are more complex. For highly complex proof statements like those that the Department of Defense (DoD) may wish to employ, novel and more efficient approaches are needed.
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    Selected DARPA Achievements

    DARPA collaborated with industry on stealth technology.
    DARPA’s Stealth Revolution
    In the early days of DARPA’s work on stealth technology, Have Blue, a prototype of what would become the F-117A, first flew successfully in 1977. The success of the F-117A program marked the beginning of the stealth revolution, which has had enormous benefits for national security.
    DARPA microelectronics gave rise to today's GPS devices.
    Navigation in the Palm of Your Hand
    Early GPS receivers were bulky, heavy devices. In 1983, DARPA set out to miniaturize them, leading to a much broader adoption of GPS capability.
    First rough conceptual design of the ARPANET.
    Paving the Way to the Modern Internet
    ARPA research played a central role in launching the Information Revolution. The agency developed and furthered much of the conceptual basis for the ARPANET—prototypical communications network launched nearly half a century ago—and invented the digital protocols that gave birth to the Internet.
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