- 专利标题： ENCRYPTION METHOD AND APPARATUS BASED ON HOMOMORPHIC ENCRYPTION USING COMPOSITION OF FUNCTIONS
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申请号： EP21169784.2申请日： 2021-04-22
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公开(公告)号： EP3902195A1公开(公告)日： 2021-10-27
- 发明人: NO, Jong Seon , LEE, Yong Woo , LEE, Eunsang , LEE, Joon Woo , KIM, Young Sik
- 申请人： Samsung Electronics Co., Ltd. , SNU R&DB Foundation , Industry Academic Cooperation Foundation Chosun University
- 申请人地址： KR Suwon-si 16677 129, Samsung-ro Yeongtong-gu Gyeonggi-do; KR Gwanak-gu Seoul 08826 1, Gwanak-ro; KR Dong-gu Gwangju 61452 309, Pilmun-daero
- 代理机构： Grünecker Patent- und Rechtsanwälte PartG mbB
- 优先权： KR20200139489 20201026
- 主分类号： H04L9/00
- IPC分类号： H04L9/00
摘要：
An encryption method and apparatus based on homomorphic encryption using a composition of functions. The encryption method includes generating a ciphertext by encrypting data, and bootstrapping the ciphertext by performing a modular reduction based on a composition of a function for a modulus corresponding to the ciphertext.
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