JPWO2021009860A1 - - Google Patents
Info
- Publication number
- JPWO2021009860A1 JPWO2021009860A1 JP2021532612A JP2021532612A JPWO2021009860A1 JP WO2021009860 A1 JPWO2021009860 A1 JP WO2021009860A1 JP 2021532612 A JP2021532612 A JP 2021532612A JP 2021532612 A JP2021532612 A JP 2021532612A JP WO2021009860 A1 JPWO2021009860 A1 JP WO2021009860A1
- Authority
- JP
- Japan
- 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.)
- Granted
Links
Classifications
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- 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
- H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
- H04L9/0869—Generation of secret information including derivation or calculation of cryptographic keys or passwords involving random numbers or seeds
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- 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
- H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09C—CIPHERING OR DECIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHER PURPOSES INVOLVING THE NEED FOR SECRECY
- G09C1/00—Apparatus or methods whereby a given sequence of signs, e.g. an intelligible text, is transformed into an unintelligible sequence of signs by transposing the signs or groups of signs or by replacing them by others according to a predetermined system
-
- 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
- H04L9/3066—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy involving algebraic varieties, e.g. elliptic or hyper-elliptic curves
- H04L9/3073—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy involving algebraic varieties, e.g. elliptic or hyper-elliptic curves involving pairings, e.g. identity based encryption [IBE], bilinear mappings or bilinear pairings, e.g. Weil or Tate pairing
-
- 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
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3247—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Algebra (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Mathematical Physics (AREA)
- Pure & Applied Mathematics (AREA)
- Computing Systems (AREA)
- Storage Device Security (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2019/027996 WO2021009860A1 (ja) | 2019-07-17 | 2019-07-17 | 暗号システム、関数値計算方法及びプログラム |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPWO2021009860A1 true JPWO2021009860A1 (https=) | 2021-01-21 |
| JPWO2021009860A5 JPWO2021009860A5 (https=) | 2022-03-30 |
| JP7272439B2 JP7272439B2 (ja) | 2023-05-12 |
Family
ID=74210355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2021532612A Active JP7272439B2 (ja) | 2019-07-17 | 2019-07-17 | 暗号システム、関数値計算方法及びプログラム |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US12120229B2 (https=) |
| JP (1) | JP7272439B2 (https=) |
| WO (1) | WO2021009860A1 (https=) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3901797A1 (en) * | 2020-04-23 | 2021-10-27 | Nagravision SA | Method for processing digital information |
| WO2022054130A1 (ja) * | 2020-09-08 | 2022-03-17 | 日本電信電話株式会社 | 暗号システム、方法及びプログラム |
| US12192318B2 (en) | 2021-03-10 | 2025-01-07 | Quantropi Inc. | Quantum-safe cryptographic method and system |
| US11641347B2 (en) * | 2021-03-10 | 2023-05-02 | Quantropi Inc. | Quantum-safe cryptographic methods and systems |
| WO2025224895A1 (ja) * | 2024-04-24 | 2025-10-30 | 三菱電機株式会社 | 安全性評価装置、安全性評価システム、安全性評価方法、及び安全性評価プログラム |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11831409B2 (en) * | 2018-01-12 | 2023-11-28 | Nok Nok Labs, Inc. | System and method for binding verifiable claims |
-
2019
- 2019-07-17 US US17/624,929 patent/US12120229B2/en active Active
- 2019-07-17 WO PCT/JP2019/027996 patent/WO2021009860A1/ja not_active Ceased
- 2019-07-17 JP JP2021532612A patent/JP7272439B2/ja active Active
Non-Patent Citations (2)
| Title |
|---|
| 吉野 慎司, ほか3名: "Intel SGXを用いた入力を制御できる複数入力関数型暗号", 2019年 暗号と情報セキュリティシンポジウム予稿集, JPN6019038302, 15 January 2019 (2019-01-15), pages 1 - 8, ISSN: 0004966219 * |
| 宇田 隆哉, ほか1名: "IP電話向け音声ストリーム認証手法", 情報処理学会論文誌, vol. 第47巻, 第8号, JPN6019038307, 15 August 2006 (2006-08-15), JP, pages 2535 - 2547, ISSN: 0004966220 * |
Also Published As
| Publication number | Publication date |
|---|---|
| JP7272439B2 (ja) | 2023-05-12 |
| US20220286280A1 (en) | 2022-09-08 |
| WO2021009860A1 (ja) | 2021-01-21 |
| US12120229B2 (en) | 2024-10-15 |
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