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Showing 1 to 20 of 26 for “"Physical Unclonable Functions"”.
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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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An Effort toward Building more Secure and Efficient Physical Unclonable Functions
… maintaining such secrets in NVMs is expensive. Physical Unclonable Functions (PUF) provide an alternative method for creating chip IDs. They exploit the uncontrollable variations that exist in IC manufacturing to generate identifiers. However, since PUFs exploit the small mismatch across …
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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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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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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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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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Strengthening embedded system security with PUF enhanced cryptographic engines
… presented also includes research conducted on Physical Unclonable Functions and their impact to the world of mobile security. Finally, a novel mobile security architecture has been developed that can provide stronger authentication, unique encryption of security-critical data, and protection of …
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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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Remote Integrity Checking using Multiple PUF based Component Identifiers
… from each component on PCB are developed using Physical Unclonable Functions (PUF). In this thesis, we present a PUF based authentication protocol for remote integrity checking using multiple PUF component level identifiers. We address the design on 3 different abstraction levels. 1)Hardware …
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Design and Implementation of PUF Based Protocols for Remote Integrity Verification
… by hardware intrinsic identifiers based on Physical Unclonable Functions or PUFs. Such identifiers can be used to establish trust within any component on a PCB. In this thesis, we present two PUF based protocols for remote integrity checking of PCBs by Manufacturers or end users. We propose …
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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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Energy-Efficient Security Solutions for Next-Generation Embedded Systems
… seeds, assigning them unique identities using Physical Unclonable Functions. Although each application comes with unique challenges, all solutions prioritize security and are tailored specifically for resource-constrained embedded systems with minimal resource overheads. The findings of this …
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A hardware-embedded, delay-based PUF engine designed for use in cryptographic and authentication applications
… The generation of secret bitstrings using physical unclonable functions, or PUFs, provides several distinct advantages over conventional methods, including the elimination of costly non-volatile memory, and the potential to increase the random bits available to applications. In this …
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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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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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