EP3909193A4 - Apparatus for processing approximately encrypted messages and methods thereof - Google Patents
Apparatus for processing approximately encrypted messages and methods thereof Download PDFInfo
- Publication number
- EP3909193A4 EP3909193A4 EP19908950.9A EP19908950A EP3909193A4 EP 3909193 A4 EP3909193 A4 EP 3909193A4 EP 19908950 A EP19908950 A EP 19908950A EP 3909193 A4 EP3909193 A4 EP 3909193A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- methods
- encrypted messages
- processing approximately
- approximately
- processing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/008—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols involving homomorphic encryption
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
- H04L9/0618—Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
- H04L9/0838—Key agreement, i.e. key establishment technique in which a shared key is derived by parties as a function of information contributed by, or associated with, each of these
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/30—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy
- H04L9/3006—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy underlying computational problems or public-key parameters
- H04L9/3026—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy underlying computational problems or public-key parameters details relating to polynomials generation, e.g. generation of irreducible polynomials
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computing Systems (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Mathematical Physics (AREA)
- Pure & Applied Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Algebra (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
- Storage Device Security (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201962790806P | 2019-01-10 | 2019-01-10 | |
KR20190066572 | 2019-06-05 | ||
KR1020190112292A KR102167565B1 (en) | 2019-01-10 | 2019-09-10 | Apparatus for processing approximate encripted messages and methods thereof |
PCT/KR2019/016001 WO2020145503A1 (en) | 2019-01-10 | 2019-11-21 | Apparatus for processing approximately encrypted messages and methods thereof |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3909193A1 EP3909193A1 (en) | 2021-11-17 |
EP3909193A4 true EP3909193A4 (en) | 2022-09-28 |
Family
ID=71832118
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19908950.9A Withdrawn EP3909193A4 (en) | 2019-01-10 | 2019-11-21 | Apparatus for processing approximately encrypted messages and methods thereof |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP3909193A4 (en) |
KR (1) | KR102167565B1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11637700B2 (en) | 2020-08-14 | 2023-04-25 | Samsung Electronics Co., Ltd. | Method and apparatus with encryption based on error variance in homomorphic encryption |
KR102304992B1 (en) | 2021-04-07 | 2021-09-27 | 서울대학교산학협력단 | Apparatus for processing non-polynomial operation on homoprophic encrypted messages and methods thereof |
WO2023282359A1 (en) * | 2021-07-05 | 2023-01-12 | 주식회사 크립토랩 | Method for homomorphic encryption or decryption considering space complexity |
CN114745116B (en) * | 2022-04-27 | 2024-04-05 | 浙江数秦科技有限公司 | Method for safely exchanging secret key |
CN117353898B (en) * | 2023-12-04 | 2024-03-26 | 粤港澳大湾区数字经济研究院(福田) | Fully homomorphic encryption method, system, terminal and medium for floating point number plaintext |
CN117440103B (en) * | 2023-12-20 | 2024-03-08 | 山东大学 | Privacy data processing method and system based on homomorphic encryption and space optimization |
-
2019
- 2019-09-10 KR KR1020190112292A patent/KR102167565B1/en active IP Right Grant
- 2019-11-21 EP EP19908950.9A patent/EP3909193A4/en not_active Withdrawn
Non-Patent Citations (5)
Title |
---|
CHEN HAO ET AL: "Improved Bootstrapping for Approximate Homomorphic Encryption", 24 April 2019, ADVANCES IN DATABASES AND INFORMATION SYSTEMS; [LECTURE NOTES IN COMPUTER SCIENCE; LECT.NOTES COMPUTER], SPRINGER INTERNATIONAL PUBLISHING, CHAM, PAGE(S) 34 - 54, ISBN: 978-3-319-10403-4, XP047507752 * |
CHEON JUNG HEE ET AL: "Bootstrapping for Approximate Homomorphic Encryption", 31 March 2018, SAT 2015 18TH INTERNATIONAL CONFERENCE, AUSTIN, TX, USA, SEPTEMBER 24-27, 2015; [LECTURE NOTES IN COMPUTER SCIENCE; LECT.NOTES COMPUTER], SPRINGER, BERLIN, HEIDELBERG, PAGE(S) 360 - 384, ISBN: 978-3-540-74549-5, XP047471999 * |
HAN KYOOHYUNG ET AL: "Improved Homomorphic Discrete Fourier Transforms and FHE Bootstrapping", IEEE ACCESS, vol. 7, 29 April 2019 (2019-04-29), pages 57361 - 57370, XP011724114, DOI: 10.1109/ACCESS.2019.2913850 * |
JUNG HEE CHEON ET AL: "Faster Homomorphic Discrete Fourier Transforms and Improved FHE Bootstrapping", vol. 20181109:163301, 5 November 2018 (2018-11-05), pages 1 - 18, XP061026898, Retrieved from the Internet <URL:http://eprint.iacr.org/2018/1073.pdf> [retrieved on 20181105] * |
See also references of WO2020145503A1 * |
Also Published As
Publication number | Publication date |
---|---|
KR102167565B1 (en) | 2020-10-19 |
EP3909193A1 (en) | 2021-11-17 |
KR20200087061A (en) | 2020-07-20 |
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Legal Events
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Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
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17P | Request for examination filed |
Effective date: 20210810 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) | ||
A4 | Supplementary search report drawn up and despatched |
Effective date: 20220829 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: H04L 9/00 20060101AFI20220823BHEP |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN |
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18W | Application withdrawn |
Effective date: 20230116 |