Joshua Hill
Information Security Scientist
Arroyo Grande, California, United States
Summary
👤
Senior🎓
Top SchoolJoshua Hill is an Information Security Scientist with over 20 years of experience specializing in security testing, validation to US federal standards, and entropy analysis of both physical and non-physical noise sources. With a PhD in Mathematics and a strong cryptography background, he translates rigorous mathematical models into practical security engineering and standards interpretation, including FIPS 140. He led UL's Entropy Analysis Group, built entropy product offerings, authored CMVP/NIAP/NSA review reports, and developed high-speed SP800-90B testing tools. A proactive contributor to federal standards, he provided extensive feedback to NIST on SP800-90B, and represented UL in FIDO and biometric working groups, including mapping FIDO security evaluation to FIPS 140-2. Currently at KeyPair Consulting and UL Identity Management & Security, he combines laboratory leadership, security evaluation expertise, and clear communication to diverse audiences from Arroyo Grande, California.
10 years of coding experience
21 years of employment as a software developer
California Polytechnic State University, San Luis ObispoDoctor of Philosophy (Ph.D.), Mathematics, Doctor of Philosophy (Ph.D.), Mathematics at University of California, Irvine
English
Github Skills (24)
entropy10
cpp9
nist8
binary-search8
modular8
testing7
toolchain7
clang7
linkedlist7
compilers6
bengali6
llvm6
sourceforge6
sorting5
compiler5
Programming languages (4)
Github contributions (5)
joshuaehill/jitterentropy-library
May 2021 - Mar 2025
Jitterentropy Library
Contributions:1 release, 1 PR, 217 pushes in 3 years 11 months
usnistgov/SP800-90B_EntropyAssessment
Nov 2016 - Jan 2023
The SP800-90B_EntropyAssessment C++package implements the min-entropy assessment methods included in Special Publication 800-90B.
Contributions:9 reviews, 112 commits, 36 PRs in 6 years 2 months
assessmentcppentropy
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