U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Andrew Regenscheid (Fed)

Mathematician

Publications

Digital Signature Standard (DSS)

Author(s)
Lily Chen, Dustin Moody, Andrew Regenscheid, Angela Robinson
This standard specifies a suite of algorithms that can be used to generate a digital signature. Digital signatures are used to detect unauthorized modifications

Supply Chain Assurance: Validating the Integrity of Computing Devices

Author(s)
Nakia R. Grayson, Murugiah Souppaya, Andrew Regenscheid, Tim Polk, Christopher Brown, Karen Scarfone, Chelsea Deane
Product integrity and the ability to distinguish trustworthy products is a critical foundation of C-SCRM. Authoritative information regarding the provenance and

Personal Identity Verification (PIV) of Federal Employees and Contractors

Author(s)
Hildegard Ferraiolo, Andrew Regenscheid, Salvatore Francomacaro, David Cooper, Ketan Mehta, Annie W. Sokol, David Temoshok, Gregory Fiumara, Justin Richer, James L. Fenton, Johnathan Gloster, nabil anwer
FIPS 201 establishes a standard for a Personal Identity Verification (PIV) system (Standard) that meets the control and security objectives of Homeland Security

Managing the Security of Information Exchanges

Author(s)
Kelley L. Dempsey, Victoria Yan Pillitteri, Andrew Regenscheid
An organization often has mission and business-based needs to exchange (share) information with one or more other internal or external organizations via various
View more Publications

Selected Publications

A Threat Analysis on UOCAVA Voting Systems
Created March 26, 2019, Updated December 8, 2022