Jung Hee Cheon is a South Korean cryptographer and mathematician whose research interest includes

computational number theory In mathematics and computer science, computational number theory, also known as algorithmic number theory, is the study of computational methods for investigating and solving problems in number theory and arithmetic geometry, including algorithms ...

, cryptography, and information security. He is one of the inventors of braid cryptography, one of

group-based cryptography Group-based cryptography is a use of groups to construct cryptographic primitives. A group is a very general algebraic object and most cryptographic schemes use groups in some way. In particular Diffie–Hellman key exchange uses finite cyclic gro ...

, and approximate homomorphic encryption

HEAAN HEAAN (Homomorphic Encryption for Arithmetic of Approximate Numbers) is an open source homomorphic encryption (HE) library which implements an approximate HE scheme proposed by Cheon Jung-hee, Cheon, Kim, Kim and Song (CKKS). The first version o ...

. As one of co-inventors of approximate homomorphic encryption HEaaN, he is actively working on homomorphic encryptions and their applications including machine learning, homomorphic control systems, and DNA computation on encrypted data. He is particularly known for his work on an efficient algorithm on strong DH problem. He received the best paper award in Asiacrypt 2008 for improving Pollard rho algorithm, and the best paper award in Eurocrypt 2015 for attacking Multilinear Maps. He was also selected as Scientist of the month by Korean government in 2018 and won the

POSCO TJ Park Prize POSCO TJ Park Prize is an annual award presented by the POSCO TJ Park Foundation in four categories; science, education, community development and philanthropy, and technology. The science prize is given to Korean scientists in natural science or ...

in 2019. He is a professor of Mathematical Sciences at the

Seoul National University Seoul National University (SNU; ) is a national public research university located in Seoul, South Korea. Founded in 1946, Seoul National University is largely considered the most prestigious university in South Korea; it is one of the three "S ...

(SNU) and the director of IMDARC (the center for industrial math) in Seoul National University. He received Ph.D degrees in Mathematics from KAIST in 1997. Before joining SNU, he was in

ETRI The Electronics and Telecommunications Research Institute () is a Korean government-funded research institution in Daedeok Science Town in Daejeon, Republic of Korea. Overview Established in 1976, ETRI is a non-profit government-funded research i ...

Brown University Brown University is a private research university in Providence, Rhode Island. Brown is the seventh-oldest institution of higher education in the United States, founded in 1764 as the College in the English Colony of Rhode Island and Providenc ...

, and

ICU ICU commonly refers to: * Intensive care unit, a special department of a hospital ICU may also refer to: Organisations Universities * Information and Communications University, South Korea *Istanbul Commerce University, Istanbul, Turkey * Intern ...

. He was a program co-chair of ICISC 2008, MathCrypt 2013, ANTS-XI, Asiacrypt 2015, MathCrypt 2018/2019/2021, and PQC2021. He is one of two invited speakers in Asiacrypt 2020. He also contributes academics as being an associate editor of ''Design, Codes and Cryptography'', ''Journal of Communication Network'', and ''

Journal of Cryptology The ''Journal of Cryptology'' () is a scientific journal in the field of cryptology and cryptography. The journal is published quarterly by the International Association for Cryptologic Research. Its editor-in-chief is Vincent Rijmen Vincent R ...

''. He was appointed a Fellow of IACR in 2023.

Awards

* 2008: The best paper award in Asiacrypt * 2015: The best paper award in Eurocrypt * 2018: The Scientist of the month by Korean government * 2019:

, POSCO TJ Park Foundation * 2021: PKC Test-of-Time awardPKC Test-of-Time Award, 2021
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References

External links

Faculty page
at Seoul National University Department of Computer Science and Engineering {{DEFAULTSORT:Cheon, Jung Hee 1969 births Living people 20th-century South Korean mathematicians 21st-century South Korean mathematicians Academic staff of Seoul National University KAIST alumni Number theorists POSCO TJ Park Prize South Korean computer scientists Seoul National University alumni