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Showing 1 to 14 of 14 for “"Physical Unclonable Functions (PUFs)"”.
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Extracting secret keys from integrated circuits
… and ATMs. As a solution, Arbiter-based Physical Unclonable Functions (PUFs) are proposed. This technique exploits statistical delay variation of wires and transistors across integrated circuits (ICs) in the manufacturing processes to build a secret key unique to each IC. We fabricated …
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Towards security without secrets
Physical Unclonable Functions (PUFs) are a promising new cryptographic primitive that leverage manufacturing variation to create unclonable secrets in embedded systems. In this case, the secret is no longer stored permanently in digital form, but rather as the physical properties of the …
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The application of DRAM PUF as a physical token
The exploration of leveraging physical attributes of hardware for cryptographic purposes has become a topic of research. Among these avenues, the utilization of Physical Unclonable Functions (PUFs) is one feature that is widely studied. PUFs provide the ability to generate encryption keys for …
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Low-Power, Stable and Secure On-Chip Identifiers Design
… insecure. Novel chip-identifiers called Silicon Physical Unclonable Functions (PUFs) extract the random process characteristics of an Integrated Circuit to establish the identity. Though such types of IC identifiers are difficult to clone and provide a secure, yet an area and power efficient …
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A Study on Energy Harvesters for Physical Unclonable Functions and Random Number Generation
… securing personal data becomes a growing issue. Physical unclonable functions (PUFs) and random number generators (RNGs) provide methods to generate security keys for data encryption. Transducers used in the energy harvesting systems of wireless sensor nodes, can generate the PUFs and RNGs. These …
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Physical layer security for IoT applications
… the IoT to life. In this regards, employing physical layer security (PLS) methods could be greatly beneficial for IoT networks. While current security solutions rely on computational complexity, PLS is based on information theoretic proofs. By removing the need for computational power, PLS is …
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Study of Physical Unclonable Functions at Low Voltage on FPGA
Physical Unclonable Functions (PUFs) provide a secure, power efficient and non-volatile means of chip identification. These are analogous to one-way functions that are easy to create but impossible to duplicate. They offer solutions to many of the FPGA (Field Programmable Gate Array) issues like …
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A Physical Unclonable Function derived from the power distribution system of an integrated circuit
… because the keys can be learned through attacks. Physical Unclonable Functions (PUFs) are a recently- proposed alternative to storing digital keys on the IC. A PUF leverages the inherent manufacturing variations of an IC to define a random function. However, poor performance under PUF quality …
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A Physical Unclonable Function Based on Inter-Metal Layer Resistance Variations and an Evaluation of its Temperature and Voltage Stability
… who can use probing attacks to steal the secret. Physical Unclonable functions (PUFs) have emerged as an alternative. PUFs leverage random manufacturing variations as the source of entropy for generating random bitstrings, and incorporate an on-chip infrastructure for measuring and digitizing the …
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Template-directed Assembly of Silk in Advanced Materials for Food Security
… by integrating silk polymorph design with physical unclonable functions (PUFs), a cryptographic protocol based on PUF tags made of silk microparticles is developed for authentication of agricultural goods (e.g. seeds). Finally, nanostructured silk membranes composed of vertically aligned …
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Novel Transistor Resistance Variation-based Physical Unclonable Functions with On-Chip Voltage-to-Digital Converter Designed for Use in Cryptographic and Authentication Applications
… being able to generate the key only when needed. Physical Unclonable Functions (PUFs) have emerged as a superior alternative to this. A PUF is an embedded Integrated Circuit (IC) structure that is designed to leverage random variations in physical parameters of on-chip components as the source of …
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Integrating physical unclonable functions from novel nanomaterials, circuit elements, and memory technologies into future hardware architectures
… and management. To address these limitations, Physical Unclonable Functions (PUFs) have proven to be an effective solution for key generation, device authentication, and identification tasks. PUFs leverage inherent variations in hardware components to produce unique, device-specific keys. For a …
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Optimization of Physical Unclonable Function Protocols for Lightweight Processing
Physically unclonable functions are increasingly used as security primitives for device identification and anti-counterfeiting. However, PUFs are associated with noise and bias which in turn affects its property of reliability and predictability. The noise is corrected using fuzzy extractors, but …
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Within-Die Delay Variation Measurement And Analysis For Emerging Technologies Using An Embedded Test Structure
… hardware metering and encryption. Physical unclonable functions (PUFs) are a class of primitives that leverage within-die-variations as a means of generating random bit strings for these types of applications, including hardware security and trust. Zynq FPGAs Die-to-Die and …