Presentations -
about 46-
On cryptographic hash functions based on cubic high-girth graph
Hyungrok JO, Shohei SATAKE
日本応用数理学会 第18回 研究部会連合発表会 離散システム研究部会
Event date： 2022.3
Language：Japanese Presentation type：Oral presentation (general)
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Implementations on identity-based signature schemes based on variants of CSIDH
Hyungrok JO, Junji SHIKATA
2022年暗号と情報セキュリティシンポジウム (SCIS2022)
Event date： 2022.1
Language：Japanese Presentation type：Oral presentation (general)
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ラマヌジャングラフの研究とその暗号応用
Hyungrok JO
CREST「現代の数理科学と連携するモデリング手法の構築」 成果報告公開シンポジウム
Event date： 2021.9
Language：Japanese Presentation type：Poster presentation
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ラマヌジャングラフの研究とその暗号応用
Hyungrok JO
CREST「現代の数理科学と連携するモデリング手法の構築」 成果報告公開シンポジウム,
Event date： 2021.9
Language：Japanese Presentation type：Oral presentation (general)
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On Ramanujan graphs in the era of Post-Quantum Cryptography
Hyungrok JO [Invited]
組合せ論・モデル理論セミナー
Event date： 2021.7
Language：Japanese Presentation type：Oral presentation (invited, special)
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Iterative construction of Cayley-type Ramanujan graphs and its cryptographic application
Hyungrok JO [Invited]
第37回代数的組合せ論シンポジウム
Event date： 2021.6
Language：Japanese Presentation type：Oral presentation (general)
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On Isogeny-based cryptography
Hyungrok JO
第12回在日韓国科学技術者協会合同分科会, 在日韓国科学技術者協会
Event date： 2021.3
Language：English Presentation type：Poster presentation
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On Isogeny-based cryptography in the era of Post-Quantum Cryptography
Hyungrok JO [Invited]
2021 Combinatorics Seminar from KPPY, Yeungnam University,
Event date： 2021.2
Language：English Presentation type：Oral presentation (general)
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Revisiting an improvement to the quaternion analogue of the l-isogeny path problems
Hyungrok JO
2021年暗号と情報セキュリティシンポジウム (SCIS2021)
Event date： 2021.1
Language：English Presentation type：Oral presentation (general)
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Post-Quantum Cryptography
Hyungrok JO [Invited]
2020 Combinatorics Seminar, Yeungnam University
Event date： 2020.12
Language：English Presentation type：Oral presentation (general)
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On generalized LPS Ramanujan graphs and Bruhat-Tits trees
Hyungrok JO [Invited]
超特異曲線・超特異アーベル多様体の理論と応用(RIMS共同研究)
Event date： 2020.10
Language：English Presentation type：Oral presentation (general)
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On Cayley-type Ramanujan graphs and their cryptographic applications
Hyungrok JO
離散数学とその応用研究集会2020・スペクトラルグラフ理論および周辺領域第９回研究集会(JCCA2020-DMIA2020-SGT9)
Event date： 2020.8
Language：English Presentation type：Oral presentation (general)
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Generalized LPS Ramanujan graphs and its cryptographic applications
Hyungrok JO, Shingo SUGIYAMA, Yoshinori YAMASAKI [Invited]
Korean Mathematical Society Spring Meeting 2020, (KMS 2020)
Event date： 2020.7
Language：English Presentation type：Oral presentation (general)
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Path-finding algorithms in LPS/LPS-type Ramanujan graphs
Hyungrok JO
The 12nd Workshop among Asian Information Security Labs (WAIS 2020)
Event date： 2020.2
Language：English Presentation type：Oral presentation (general)
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On the complexity of path-finding algorithms in LPS-type Ramanujan graphs
Hyungrok JO
2020年暗号と情報セキュリティシンポジウム (SCIS2020)
Event date： 2020.1
Language：English Presentation type：Oral presentation (general)
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Ramanujan graphs and their cryptographic applications
Hyungrok JO
Joint Workshop on Algebraic Combinatorics and Cryptography
Event date： 2020.1
Language：English Presentation type：Oral presentation (general)
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Cryptographic hash functions based on Ramanujan graphs
Hyungrok JO
Indo Japan Joint Workshop on Quantum Computation and Information, Indian Statistical Institute
Event date： 2020.1
Language：English Presentation type：Oral presentation (general)
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Cayley hash function-map based on LPS-type Ramanujan graphs
Hyungrok JO, Noboru KUNIHIRO, Yoshinori YAMASAKI
コンピュータセキュリティシンポジウム2019 (CSS2019)
Event date： 2019.10
Language：English Presentation type：Oral presentation (general)
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Ramanujan graphs for post-quantum cryptography
Hyungrok JO, Shingo SUGIYAMA, Yoshinori YAMASAKI [Invited]
International Symposium on Mathematics, Quantum Theory, and Cryptography (MQC 2019)
Event date： 2019.9
Language：English Presentation type：Oral presentation (general)
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A general construction of LPS-type Ramanujan graphs
Hyungrok JO, Shingo SUGIYAMA, Yoshinori YAMASAKI [Invited]
The 93rd KPPY Workshop on Combinatorics
Event date： 2019.9
Language：English Presentation type：Oral presentation (general)
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A general construction of LPS-type Ramanujan graphs
Hyungrok JO, Shingo SUGIYAMA, Yoshinori YAMASAKI [Invited]
The 6th Korea-Sino International Conference on Coding Theory and Its Related Topics
Event date： 2019.7
Language：English Presentation type：Oral presentation (general)
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A general construction of LPS-type Ramanujan graphs / On the security of Cayley hash functions and their explicit Ramanujan graphs
Hyungrok JO [Invited]
暗号セミナー, Sogang University
Event date： 2019.5
Language：English Presentation type：Oral presentation (general)
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A general construction of LPS-type Ramanujan graphs
Hyungrok JO, Shingo SUGIYAMA, Yoshinori YAMASAKI [Invited]
American Mathematical Society (AMS), Coding Theory and Information Theory
Event date： 2019.3
Language：English Presentation type：Oral presentation (general)
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A general construction of LPS-type Ramanujan graphs / On the security of Cayley hash functions and their explicit Ramanujan graphs
Hyungrok JO [Invited]
暗号数理セミナー, 高等科学院(KIAS)
Event date： 2019.2
Language：English Presentation type：Oral presentation (general)
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LPS-type Ramanujan graphs
Hyungrok JO
第10回在日韓国科学技術者協会合同分科会, 在日韓国科学技術者協会
Event date： 2019.2
Language：English Presentation type：Poster presentation
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On the security of Cayley hash functions based on LPS-type Ramanujan graphs
Hyungrok JO
Workshop among Asian Information Security (WAIS 2019)
Event date： 2019.2
Language：English Presentation type：Oral presentation (general)
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On the security of Cayley hash functions based on LPS-type Ramanujan graphs
Hyungrok JO, Yoshinori YAMASAKI [Invited]
The 17th Japan-Korea Workshop on Algebra and Combinatorics
Event date： 2019.1
Language：English Presentation type：Oral presentation (general)
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On the security of Cayley hash functions based on LPS-type Ramanujan graphs
Hyungrok JO, Yoshinori YAMASAKI
2019年暗号と情報セキュリティシンポジウム (SCIS2019)
Event date： 2019.1
Language：English Presentation type：Oral presentation (general)
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LPS-type Ramanujan graphs
Hyungrok JO, Yoshinori YAMASAKI [Invited]
The International Symposium on Information Theory and Its Applications (ISITA2018)
Event date： 2018.10
Language：English Presentation type：Oral presentation (general)
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LPS-type Ramanujan graphs
Hyungrok JO, Yoshinori YAMASAKI [Invited]
Open Seminar on Algebras, Combinatorics and Algorithms (OSACA)
Event date： 2018.10
Language：English Presentation type：Oral presentation (general)
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LPS-type Ramanujan graphs
Hyungrok JO, Yoshinori YAMASAKI
The 13th International Workshop on Security (IWSEC2018)
Event date： 2018.9
Language：English Presentation type：Poster presentation
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Quantum random walks on generalized Johnson graphs
Hyungrok JO
CREST暗号数理 「未解決問題ワークショップ」
Event date： 2018.3
Language：English Presentation type：Oral presentation (general)
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A variant of quantum information set decoding algorithms
Hyungrok JO
2018年暗号と情報セキュリティシンポジウム (SCIS2018)
Event date： 2018.1
Language：English Presentation type：Oral presentation (general)
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Hash functions based on expander graphs
Hyungrok JO
CREST 暗号数理 チュートリアルワークショップ
Event date： 2016.12
Language：English Presentation type：Oral presentation (general)
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Hash functions from expander graphs
Hyungrok JO
PNU Math Forum 2016
Event date： 2016.12
Language：English Presentation type：Poster presentation
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Full cryptanalysis of hash functions based on the cubic Ramanujan graphs
Hyungrok JO
JANT 日本応用数理学会 2016年度年会
Event date： 2016.9
Language：English Presentation type：Oral presentation (general)
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On the security of hash functions based on cubic Ramanujan graphs
Hyungrok JO, Tsuyoshi TAKAGI
2016年暗号と情報セキュリティシンポジウム (SCIS2016)
Event date： 2016.1
Language：English Presentation type：Oral presentation (general)
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Hash functions from expander graphs
Hyungrok JO
Forum “Math-for-Industry” 2015
Event date： 2015.10
Language：English Presentation type：Oral presentation (general)
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Hash functions from expander graphs
Hyungrok JO [Invited]
Workshop on Formalization of Applied Mathematical Systems
Event date： 2015.9 - 2016.10
Language：English Presentation type：Oral presentation (general)
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Hash functions from expander graphs
Hyungrok JO [Invited]
PNU Math Forum 2015
Event date： 2015.7
Language：English Presentation type：Oral presentation (general)
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Hash functions from expander graphs
Hyungrok JO
先進暗号数理デザイン室の開設式・記念ワークショップ
Event date： 2015.6
Language：English Presentation type：Poster presentation
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Survey on Godsil-McKay switching and Ramanujan graphs
Hyungrok JO
CREST Workshop on Ramanujan graphs and Cryptography
Event date： 2015.3
Language：English Presentation type：Oral presentation (general)
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On Cayley hash functions
Hyungrok JO
Workshop among Asian Information Security (WAIS 2015)
Event date： 2015.1
Language：English Presentation type：Oral presentation (general)
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On p-semisimplicity of Cayley graphs
Hyungrok JO
2014 KMS (Korean Mathematical Society) Spring Meeting
Event date： 2014.4
Language：English Presentation type：Oral presentation (general)
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On p-semisimplicity of Cayley graphs
Hyungrok JO
The 5th KOOK-TAPU Joint Seminar on Knots and Related Topics and The 7th Graduate Student Workshop on Mathematics
Event date： 2013.7
Language：English Presentation type：Oral presentation (general)
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Computational approaches to find our Butson-type Hadamard matrices H(17,17)
Hyungrok JO
The 50th KPPY Combinatorics Seminar
Event date： 2012.2
Language：English Presentation type：Oral presentation (general)