姓名：贾珂婷

职称：副研究员

电子邮箱：ktjia@tsinghua.edu.cn

工学学士 (计算机科学与技术), 山东大学, 中国, 2005;

理学博士 (信息安全), 山东大学, 中国, 2010.

博士后，清华大学, 中国，2010.9-2013.3

助理研究员，清华大学, 中国，2013.3-2020.12

副研究员，清华大学，中国，2020.12-今

对称密码分析与设计、基于对称的后量子密码、密码技术应用、密码和AI技术融合研究

       主要从事对称密码分析与设计，密码技术应用，以及密码和AI融合研究等，作为课题负责人或者项目负责人承担国家重点研发课题、国家自然基金、密码基金等项目10余项。在国际密码领域重要期刊或会议CRYPTO、CHES、FSE等发表论文30余篇。2025年获山东省技术发明奖一等奖（5/15）。在算法设计方面，主持设计分组密码算法FESH，获全国密码算设计竞赛二等奖；设计的低延时算法性uLBC能指标优于国际上同类算法，获2025年华为可信院优秀技术合作项目奖。在算法分析方面，给出国际标准AES、SHA-2，国际ISO标准Camellia、CLEFIA和SKINNY等多个密码算法当时最优分析结果。

山东省技术发明一等奖（2025）

[1]Guowei Liu, Guoxiao Liu, Kaijie Jiang, Qingyuan Yu, Keting Jia, Puwen Wei, Meiqin Wang: Improving MPCitH with Preprocessing: Mask Is All You Need. IACR Trans. Cryptogr. Hardw. Embed. Syst. 2025(2): 1-22 (2025)

[2]Yingxin Li, Fukang Liu, Gaoli Wang, Haifeng Qian, Keting Jia, Xiangyu Kong. New Collision Attacks on Round-Reduced SHA-512. CRYPTO 2025.

[3]Rujia Li, Jingyuan Ding, Qin Wang, Keting Jia, Haibin Zhang, Sisi Duan. Does Finality Gadget Finalize Your Block? A Case Study of Binance Consensus. USENIX Security 2025.

[4]Guoxiao Liu, Keting Jia, Puwen Wei, Lei Ju: High-Performance Hardware Implementation of MPCitH and Picnic3. IACR Trans. Cryptogr. Hardw. Embed. Syst. 2024(2): 190-214 (2024)

[5]Hao Lei, Raghvendra Rohit, Guoxiao Liu, Jiahui He, Mohamed Rachidi, Keting Jia, Kai Hu, Meiqin Wang: Symmetric Twin Column Parity Mixers and Their Applications. IACR Trans. Symmetric Cryptol. 2024(4): 1-37 (2024)

[6]Guoxiao Liu, Qingyuan Yu, Liyuan Tang, Shihe Ma, Congming Wei, Keting Jia, Lingyue Qin, Xiaoyang Dong, Yantian Shen: Ultra Low-Latency Block Cipher uLBC. IACR Commun. Cryptol. 1(4): 25 (2024)

[7]Qingyuan Yu, Xiaoyang Dong, Lingyue Qin, Yongze Kang, Keting Jia, Xiaoyun Wang, Guoyan Zhang: Automatic Search of Meet-in-the-Middle Differential Fault Analysis on AES-like Ciphers. IACR Trans. Cryptogr. Hardw. Embed. Syst. 2023(4): 1-31 (2023)

[8]Qin Lingyue, Dong Xiaoyang, Jia Keting, Zong Rui. Key-dependent cube attack on reduced Frit permutation in Duplex-AE modes，SCIENCE CHINA Information Sciences 64, Article number: 139103 (2021)

[9]Cui Tingting, Chen Shiyao, Fu Kai, Wang Meiqin, Jia Keting. New automatic tool for finding impossible differentials and zero-correlation linear approximations，SCIENCE CHINA Information Sciences 64, Article number: 129103 (2021)

[10]Boyu Ni, Xiaoyang Dong, Keting Jia, Qidi You: (Quantum) Collision Attacks on Reduced Simpira v2. IACR Trans. Symmetric Cryptol. 2021(2): 222-248 (2021)

[11]Keting Jia, Ning Wang:Impossible Differential Cryptanalysis of 14-Round Camellia-192. ACISP (2) 2016: 363-378

[12]Zheng Yuan, Wei Wang, Keting Jia, Guangwu Xu, Xiaoyun Wang: New Birthday Attacks on Some MACs Based on Block Ciphers. CRYPTO 2009, LNCS 5677, pp. 209-230, 2009.