JPWO2023199435A1 - - Google Patents
Info
- Publication number
- JPWO2023199435A1 JPWO2023199435A1 JP2024501718A JP2024501718A JPWO2023199435A1 JP WO2023199435 A1 JPWO2023199435 A1 JP WO2023199435A1 JP 2024501718 A JP2024501718 A JP 2024501718A JP 2024501718 A JP2024501718 A JP 2024501718A JP WO2023199435 A1 JPWO2023199435 A1 JP WO2023199435A1
- 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
-
- 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
- H04L9/06—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
-
- 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
- H04L9/0894—Escrow, recovery or storing of secret information, e.g. secret key escrow or cryptographic key storage
-
- 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
- H04L9/14—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using a plurality of keys or algorithms
- H04L9/16—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using a plurality of keys or algorithms the keys or algorithms being changed during operation
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computing Systems (AREA)
- Theoretical Computer Science (AREA)
- Storage Device Security (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2022/017725 WO2023199435A1 (ja) | 2022-04-13 | 2022-04-13 | 暗号文変換システム、暗号文変換方法、及び暗号文変換プログラム |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPWO2023199435A1 true JPWO2023199435A1 (https=) | 2023-10-19 |
| JP7486688B2 JP7486688B2 (ja) | 2024-05-17 |
Family
ID=88329375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2024501718A Active JP7486688B2 (ja) | 2022-04-13 | 2022-04-13 | 暗号文変換システム、暗号文変換方法、及び暗号文変換プログラム |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20240421976A1 (https=) |
| JP (1) | JP7486688B2 (https=) |
| CN (1) | CN118947083A (https=) |
| DE (1) | DE112022006626B4 (https=) |
| WO (1) | WO2023199435A1 (https=) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023199436A1 (ja) * | 2022-04-13 | 2023-10-19 | 三菱電機株式会社 | 暗号文変換システム、暗号文変換方法、及び暗号文変換プログラム |
| US12476945B2 (en) * | 2022-12-28 | 2025-11-18 | Crypto Lab Inc. | Electronic device for performing evaluation of encrypted messages and methods thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008172736A (ja) * | 2006-12-14 | 2008-07-24 | Ntt Data Corp | 暗号文復号権委譲システム |
| JP2016189527A (ja) * | 2015-03-30 | 2016-11-04 | 三菱電機株式会社 | 情報処理装置及び情報処理システム及び情報処理方法及び情報処理プログラム |
| WO2017141399A1 (ja) * | 2016-02-18 | 2017-08-24 | 株式会社日立製作所 | データ処理システム |
| WO2019215818A1 (ja) * | 2018-05-08 | 2019-11-14 | 三菱電機株式会社 | 登録装置、サーバ装置、秘匿検索システム、秘匿検索方法、登録プログラムおよびサーバプログラム |
| JP6962629B1 (ja) * | 2021-03-23 | 2021-11-05 | Ｅａｇｌｙｓ株式会社 | データ共有システム、データ共有方法、およびデータ共有プログラム |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5265164A (en) | 1991-10-31 | 1993-11-23 | International Business Machines Corporation | Cryptographic facility environment backup/restore and replication in a public key cryptosystem |
| DE60024941T8 (de) | 1999-08-31 | 2006-08-10 | Matsushita Electric Industrial Co., Ltd., Kadoma | Verschlüsselungsverfahren und -Vorrichtung, Entschlüsselungsverfahren und -Vorrichtung |
| FR2836608A1 (fr) * | 2002-02-25 | 2003-08-29 | Thomson Licensing Sa | Dispositif de traitement et procede de transmission de donnees chiffrees pour un premier domaine dans un reseau appartenant a un second domaine |
| CN113315745B (zh) * | 2020-02-27 | 2026-01-09 | 华为云计算技术有限公司 | 一种数据处理方法、装置、设备及介质 |
| JP7325689B2 (ja) * | 2021-05-17 | 2023-08-14 | 三菱電機株式会社 | 暗号文変換システム、変換鍵生成方法、及び、変換鍵生成プログラム |
| JPWO2023127963A1 (https=) * | 2021-12-28 | 2023-07-06 | ||
| WO2023199436A1 (ja) * | 2022-04-13 | 2023-10-19 | 三菱電機株式会社 | 暗号文変換システム、暗号文変換方法、及び暗号文変換プログラム |
-
2022
- 2022-04-13 WO PCT/JP2022/017725 patent/WO2023199435A1/ja not_active Ceased
- 2022-04-13 CN CN202280094284.8A patent/CN118947083A/zh active Pending
- 2022-04-13 JP JP2024501718A patent/JP7486688B2/ja active Active
- 2022-04-13 DE DE112022006626.1T patent/DE112022006626B4/de active Active
-
2024
- 2024-08-26 US US18/815,164 patent/US20240421976A1/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008172736A (ja) * | 2006-12-14 | 2008-07-24 | Ntt Data Corp | 暗号文復号権委譲システム |
| JP2016189527A (ja) * | 2015-03-30 | 2016-11-04 | 三菱電機株式会社 | 情報処理装置及び情報処理システム及び情報処理方法及び情報処理プログラム |
| WO2017141399A1 (ja) * | 2016-02-18 | 2017-08-24 | 株式会社日立製作所 | データ処理システム |
| WO2019215818A1 (ja) * | 2018-05-08 | 2019-11-14 | 三菱電機株式会社 | 登録装置、サーバ装置、秘匿検索システム、秘匿検索方法、登録プログラムおよびサーバプログラム |
| JP6962629B1 (ja) * | 2021-03-23 | 2021-11-05 | Ｅａｇｌｙｓ株式会社 | データ共有システム、データ共有方法、およびデータ共有プログラム |
Also Published As
| Publication number | Publication date |
|---|---|
| US20240421976A1 (en) | 2024-12-19 |
| WO2023199435A1 (ja) | 2023-10-19 |
| DE112022006626B4 (de) | 2026-04-02 |
| CN118947083A (zh) | 2024-11-12 |
| JP7486688B2 (ja) | 2024-05-17 |
| DE112022006626T5 (de) | 2024-12-19 |
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