About John Kelsey
Born 1950. John Kelsey is an American cryptographer and engineer.
John Kelsey is a cryptographer who works at NIST. His research interests include cryptanalysis and design of symmetric cryptography primitives (block ciphers, stream ciphers, cryptographic hash functions, MACs), analysis and design of cryptographic protocols, cryptographic random number generation, electronic voting, side-channel attacks on cryptography implementations, and anonymizing communications systems. He previously worked at Certicom and Counterpane Internet Security.
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Important facts
People in John Kelsey's life
Named in this biography and alive at the same time
Contemporaries
People whose lives overlapped John Kelsey's
Frequently asked questions
Who is John Kelsey?
cryptographer
When was John Kelsey born?
John Kelsey was born in 1950 in United States.
What is John Kelsey's occupation?
John Kelsey is a cryptographer and engineer.
What nationality is John Kelsey?
John Kelsey is American.
Sources & further reading
Β· DBpedia: John Kelsey (cryptanalyst)
Cite this page
APA: Biography.guide. (2026). John Kelsey. https://biography.guide/john-kelsey-cryptographer/
MLA: "John Kelsey." Biography.guide, https://biography.guide/john-kelsey-cryptographer/.
Chicago: "John Kelsey." Biography.guide. https://biography.guide/john-kelsey-cryptographer/.
Data last updated: 2026-09-20 Β· Spot an error? Report a correction.
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