Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: UNBIAS PUF: A Physical Implementation Bias Agnostic Strong PUF   The Physical Unclonable Function (PUF) is a promising hardware security
primitive because of its inherent uniqueness and low cost. To extract the
device-specific variation from delay-based strong PUFs, complex routing
constraints are imposed to achieve symmetric path delays; and systematic
variations can severely compromise the uniqueness of the PUF. In addition, the
metastability of the arbiter circuit of an Arbiter PUF can also degrade the
quality of the PUF due to the induced instability. In this paper we propose a
novel strong UNBIAS PUF that can be implemented purely by Register Transfer
Language (RTL), such as verilog, without imposing any physical design
constraints or delay characterization effort to solve the aforementioned
issues. Efficient inspection bit prediction models for unbiased response
extraction are proposed and validated. Our experimental results of the strong
UNBIAS PUF show 5.9% intra-Fractional Hamming Distance (FHD) and 45.1%
inter-FHD on 7 Field Programmable Gate Array (FPGA) boards without applying any
physical layout constraints or additional XOR gates. The UNBIAS PUF is also
scalable because no characterization cost is required for each challenge to
compensate the implementation bias. The averaged intra-FHD measured at worst
temperature and voltage variation conditions is 12%, which is still below the
margin of practical Error Correction Code (ECC) with error reduction techniques
for PUFs.

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The categories of this paper are: dg-ga
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The categories of this paper are: physics
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The categories of this paper are: quant-ph
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The categories of this paper are: q-alg
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The categories of this paper are: nucl-ex
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The categories of this paper are: gr-qc
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The categories of this paper are: astro-ph
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The categories of this paper are: alg-geom
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The categories of this paper are: solv-int
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The categories of this paper are: funct-an
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The categories of this paper are: atom-ph
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The categories of this paper are: mtrl-th
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The categories of this paper are: bayes-an
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The categories of this paper are: hep-ph
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The categories of this paper are: chao-dyn
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The categories of this paper are: patt-sol