SG10202101159RA - Homomorphic encryption device and ciphertext arithmetic method thereof - Google Patents
Homomorphic encryption device and ciphertext arithmetic method thereofInfo
- Publication number
- SG10202101159RA SG10202101159RA SG10202101159RA SG10202101159RA SG10202101159RA SG 10202101159R A SG10202101159R A SG 10202101159RA SG 10202101159R A SG10202101159R A SG 10202101159RA SG 10202101159R A SG10202101159R A SG 10202101159RA SG 10202101159R A SG10202101159R A SG 10202101159RA
- Authority
- SG
- Singapore
- Prior art keywords
- ciphertext
- encryption device
- homomorphic encryption
- arithmetic method
- arithmetic
- Prior art date
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
- H04L9/0891—Revocation or update of secret information, e.g. encryption key update or rekeying
-
- 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
- H04L9/12—Transmitting and receiving encryption devices synchronised or initially set up in a particular manner
-
- 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
- H04L9/3093—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy involving Lattices or polynomial equations, e.g. NTRU scheme
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
- H04L2209/04—Masking or blinding
- H04L2209/046—Masking or blinding of operations, operands or results of the operations
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020200065187A KR20210147645A (en) | 2020-05-29 | 2020-05-29 | Homomorphic encryption device and cyphertext operation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SG10202101159RA true SG10202101159RA (en) | 2021-12-30 |
Family
ID=74004016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SG10202101159RA SG10202101159RA (en) | 2020-05-29 | 2021-02-03 | Homomorphic encryption device and ciphertext arithmetic method thereof |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US11483128B2 (en) |
| EP (1) | EP3917067A1 (en) |
| KR (1) | KR20210147645A (en) |
| CN (1) | CN113810169A (en) |
| SG (1) | SG10202101159RA (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11515996B2 (en) | 2021-02-01 | 2022-11-29 | Seagate Technology Llc | Enforcing access structures in fully homomorphic encryption |
| US11522672B2 (en) * | 2021-02-01 | 2022-12-06 | Seagate Technology Llc | Fully homomorphic encryption from error canceling set systems |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9240883B2 (en) | 2008-09-04 | 2016-01-19 | Intel Corporation | Multi-key cryptography for encrypting file system acceleration |
| US8630422B2 (en) * | 2009-11-10 | 2014-01-14 | International Business Machines Corporation | Fully homomorphic encryption method based on a bootstrappable encryption scheme, computer program and apparatus |
| US8515058B1 (en) * | 2009-11-10 | 2013-08-20 | The Board Of Trustees Of The Leland Stanford Junior University | Bootstrappable homomorphic encryption method, computer program and apparatus |
| US9083526B2 (en) | 2011-04-29 | 2015-07-14 | International Business Machines Corporation | Fully homomorphic encryption |
| KR101449239B1 (en) | 2013-01-24 | 2014-10-15 | 서울대학교산학협력단 | Homomorphic Encryption and Decryption Method using Ring Isomorphism and apparatus using the same |
| KR20150123823A (en) | 2013-03-04 | 2015-11-04 | 톰슨 라이센싱 | Privacy-preserving ridge regression using masks |
| US10079674B2 (en) * | 2015-02-26 | 2018-09-18 | New York University | Systems and methods for privacy-preserving functional IP verification utilizing fully homomorphic encryption |
| KR101861089B1 (en) | 2016-07-28 | 2018-05-25 | 서울대학교산학협력단 | Homomorphic Encryption Method of a Plurality of Messages Supporting Approximate Arithmetic of Complex Numbers |
| CN106452723B (en) | 2016-12-13 | 2017-05-31 | 深圳市全同态科技有限公司 | Fully homomorphic encryption processing method based on modular operation |
| KR101919940B1 (en) | 2017-02-08 | 2018-11-19 | 서울대학교산학협력단 | Method for Processing Dynamic Data by Fully Homomorphic Encryption |
| US10541805B2 (en) | 2017-06-26 | 2020-01-21 | Microsoft Technology Licensing, Llc | Variable relinearization in homomorphic encryption |
| KR102040106B1 (en) | 2018-10-29 | 2019-11-27 | 주식회사 크립토랩 | Method for homomorphic encryption of plain text in real numbers |
| KR101965628B1 (en) | 2017-12-15 | 2019-04-04 | 서울대학교산학협력단 | Terminal device for performing homomorphic encryption, server device for calculating encrypted messages, and methods thereof |
-
2020
- 2020-05-29 KR KR1020200065187A patent/KR20210147645A/en active Search and Examination
- 2020-12-18 US US17/126,935 patent/US11483128B2/en active Active
- 2020-12-30 EP EP20217765.5A patent/EP3917067A1/en active Pending
-
2021
- 2021-02-02 CN CN202110143171.XA patent/CN113810169A/en active Pending
- 2021-02-03 SG SG10202101159RA patent/SG10202101159RA/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EP3917067A1 (en) | 2021-12-01 |
| US11483128B2 (en) | 2022-10-25 |
| KR20210147645A (en) | 2021-12-07 |
| US20210376996A1 (en) | 2021-12-02 |
| CN113810169A (en) | 2021-12-17 |
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