Related Experiment Video
Updated: Nov 23, 2025
09:23
Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators
Published on: May 30, 2014
14.8K
An Optimality Summary: Secret Key Agreement with Physical Unclonable Functions
1Information Theory and Applications Chair, Technische Universität Berlin, 10623 Berlin, Germany.
Entropy (Basel, Switzerland)
|December 30, 2020
Summary
This study explores optimal physical unclonable function (PUF) constructions for digital device security. It details trade-offs for privacy, secret keys, and storage, using advanced coding techniques for enhanced local security.
Area of Science:
- Information Theory
- Coding Theory
- Signal Processing
- Cybersecurity
Background:
- Digital devices and biometrics face security and privacy challenges.
- Physical Unclonable Functions (PUFs) offer local security solutions.
- Existing PUF research requires accessible summaries for information and coding theorists.
Purpose of the Study:
- To provide an information-theoretic perspective on optimal PUF constructions.
- To analyze trade-offs between privacy leakage, secret key rates, and storage rates.
- To identify open problems and stimulate research in local privacy and security.
Main Methods:
- Application of low-complexity signal processing for information-theoretic analysis.
- Joint design of vector quantizer and error-correction code parameters.
- Review of modern and algebraic codes (e.g., polar, convolutional codes).
Main Results:
- Optimal PUF constructions achieving high security and privacy.
- Demonstration of achievable trade-offs between privacy leakage, secret key, and storage rates.
- Identification of codes (polar, convolutional) suitable for short block lengths and few PUF circuits.
Conclusions:
- Optimal PUF constructions can be achieved through joint design of coding and signal processing parameters.
- Modern and algebraic codes offer efficient solutions for PUF security.
- Further research is needed on PUF security from multiple disciplinary perspectives.
Keywords:
code constructions for securityinformation theoretic privacyphysical unclonable functions (PUFs)private authenticationsecret key generationMore Related Videos
Related Concept Videos
01:16Second Uniqueness Theorem
1.2K
Consider a region consisting of several individual conductors with a definite charge density in the region between these conductors. The second uniqueness theorem states that if the total charge on each conductor and the charge density in the in-between region are known, then the electric field can be uniquely determined.
In contrast, consider that the electric field is non-unique and apply Gauss's law in divergence form in the region between the conductors and the integral form to the surface...
In contrast, consider that the electric field is non-unique and apply Gauss's law in divergence form in the region between the conductors and the integral form to the surface...
1.2K
01:14Norton's Theorem
1.1K
Norton's theorem is a fundamental principle stating that a linear two-terminal circuit can be substituted with an equivalent circuit, which comprises a current source (ⅠN) in parallel with a resistor (RN). Here, ⅠN represents the short-circuit current flowing through the terminals, and RN stands for the input or equivalent resistance at the terminals when all independent sources are deactivated. This implies that the circuit illustrated in Figure (a) can be exchanged with the one depicted...
1.1K
01:57Protein Complexes with Interchangeable Parts
2.7K
Groups of proteins may form a complex where each protein in this complex has a different role in the overall execution of the complex’s function. Often some of the proteins in the complex can be replaced by a closely related variant to give a complex that contains many of the same components yet is functionally distinct.
The SCF ubiquitin ligase is a protein complex of five individual proteins. This complex attaches ubiquitin to other target proteins to mark them for degradation. In order...
The SCF ubiquitin ligase is a protein complex of five individual proteins. This complex attaches ubiquitin to other target proteins to mark them for degradation. In order...
2.7K
01:34Woodward–Hoffmann Selection Rules and Microscopic Reversibility
3.5K
Electrocyclic reactions, cycloadditions, and sigmatropic rearrangements are concerted pericyclic reactions that proceed via a cyclic transition state. These reactions are stereospecific and regioselective. The stereochemistry of the products depends on the symmetry characteristics of the interacting orbitals and the reaction conditions. Accordingly, pericyclic reactions are classified as either symmetry-allowed or symmetry-forbidden. Woodward and Hoffmann presented the selection criteria for...
3.5K
01:30Fundamental Theorem of Algebra
64
The Fundamental Theorem of Algebra is central to the study of polynomial equations, asserting that every non-constant polynomial with complex coefficients has at least one complex zero. This means that a polynomial of degree n ≥ 1, written as: with an ≠ 0, has at least one solution in the complex number system. Since the set of real numbers is a subset of complex numbers, this theorem applies equally to polynomials with real coefficients.Building on this result, the Complete...
64
03:21Weak Base Solutions
24.2K
Some compounds produce hydroxide ions when dissolved by chemically reacting with water molecules. In all cases, these compounds react only partially and so are classified as weak bases. These types of compounds are also abundant in nature and important commodities in various technologies. For example, global production of the weak base ammonia is typically well over 100 metric tons annually, being widely used as an agricultural fertilizer, a raw material for chemical synthesis of other...
24.2K