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Nanocellulose for Energy Storage Systems: Beyond the Limits of Synthetic Materials
bacterial cellulose cellulose nanocrystals cellulose nanofibrils energy storage systems nanocellulose
2024/3/8
The ongoing surge in demand for high-performance energy storage systems inspires the relentless pursuit of advanced materials and structures. Components of energy storage systems are generally based o...
Side-Channel Countermeasures' Dissection and the Limits of Closed Source Security Evaluations
Side-Channel Attacks Security Evaluations Certification
2019/9/16
We take advantage of a recently published open source implementation of the AES protected with a mix of countermeasures against side-channel attacks to discuss both the challenges in protecting COTS d...
Limits to Non-Malleability
non-malleable codes black box impossibility tamper-resilient cryptography
2019/5/9
There have been many successes in constructing explicit non-malleable codes for various classes of tampering functions in recent years, and strong existential results are also known. In this work we a...
Full Collision Attack: Pushing the Limits of Exhaustible Key Spaces
FCA full collision group collision attack
2019/1/9
Recovering keys efficiently from far beyond exhaustible candidate spaces is a meaningful but very challenging topic in Side-Channel Attacks (SCA). Recent methods often utilize collision optimizations ...
Deconstructing the Blockchain to Approach Physical Limits
Blockchains physical limits deconstruction
2018/11/5
Transaction throughput, confirmation latency and confirmation reliability are fundamental performance measures of any blockchain system in addition to its security. In a decentralized setting, these m...
Limits of Practical Sublinear Secure Computation
Secure Computation Private Information Retrieval Sublinear Communication
2018/6/6
Secure computations on big data call for protocols that have sublinear communication complexity in the input length. While fully homomorphic encryption (FHE) provides a general solution to the problem...
Limits on the Power of Garbling Techniques for Public-Key Encryption
Public-key encryption one-way function black-box constructions non-black-box separations
2018/6/5
Understanding whether public-key encryption can be based on one-way functions is a fundamental open problem in cryptography. The seminal work of Impagliazzo and Rudich [STOC'89] shows that black-box c...
FROM DAGUERREOTYPES TO DIGITAL AUTOMATIC PHOTOGRAMMETRY. APPLICATIONS AND LIMITS FOR THE BUILT HERITAGE PROJECT
Photogrammetry photography conservation restoration
2017/6/20
This paper will describe the evolutionary stages that shaped and built, over the time, a robust and solid relationship between ‘indirect survey methods’ and knowledge of the ‘architectural matter’, ai...
Limits on Low-Degree Pseudorandom Generators (Or: Sum-of-Squares Meets Program Obfuscation)
pseudorandom generators local computation obfuscation
2017/4/12
As a corollary, we refute some conjectures recently made in the cryptographic literature. This includes refuting the assumptions underlying Lin and Tessaro's recently proposed candidate construction f...
AES is often considered as a target of such analyses, simply because AES or its building blocks are used in many settings that go beyond classical encryption. The most recent known-key model of Gilber...
Negotiating limits to the funding of high cost cancer medicines
Drugs health budgets cancer drugs cancer clinical
2017/2/22
The cost of pharmaceuticals is overwhelming health budgets around the world. A growing proportion of this burden stems from the ever-increasing demand for subsidisation of cancer medicines. Those maki...
Mechanistic Explanation:Its Scope and Limits
causation mechanism modularity explanation in biology
2016/6/15
This paper, part of an Aristotelian Society (2013) symposium with John Dupre, explores the question of whether all or most explanations in biology are, or ideally should be, ‘mechanistic’. I begin by ...
Abstraction and its Limits:Finding Space for Novel Explanation
Emergence Abstraction Idealization Explanation Statistical mechanics Thermodynamics Phase transitions
2016/5/30
Several modern accounts of explanation acknowledge the importance of abstraction and idealization for our explanatory practice. However, once we allow a role for abstraction, questions remain. I ask w...
The cost of pharmaceuticals is overwhelming health budgets around the world. A growing proportion of this burden stems from the ever-increasing demand for subsidisation of cancer medicines. Those maki...
Estimating Heterogeneous Takeup and Crowd-Out Responses to Existing Medicaid Income Limits and their Nonmarginal Expansions
Heterogeneous Takeup Crowd-Out Responses Medicaid Income Limits Nonmarginal Expansions
2016/3/3
We use a switching probit model and the income-limit-based structure of Medicaid eligibility for children to estimate treatment effects of nonmarginal Medicaid expansions on Medicaid takeup, private i...