JP7852717B2 - 鍵発行装置、情報処理システム、方法及びプログラム - Google Patents

鍵発行装置、情報処理システム、方法及びプログラム

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Publication number
JP7852717B2
JP7852717B2 JP2024530188A JP2024530188A JP7852717B2 JP 7852717 B2 JP7852717 B2 JP 7852717B2 JP 2024530188 A JP2024530188 A JP 2024530188A JP 2024530188 A JP2024530188 A JP 2024530188A JP 7852717 B2 JP7852717 B2 JP 7852717B2
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JP
Japan
Prior art keywords
key
distributed
user
random number
share
Prior art date
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JP2024530188A
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English (en)
Japanese (ja)
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JPWO2024004116A1 (https=
JPWO2024004116A5 (ja
Inventor
光 土田
春菜 福田
健吾 森
寿幸 一色
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
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Publication of JPWO2024004116A1 publication Critical patent/JPWO2024004116A1/ja
Publication of JPWO2024004116A5 publication Critical patent/JPWO2024004116A5/ja
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Publication of JP7852717B2 publication Critical patent/JP7852717B2/ja
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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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Storage Device Security (AREA)
JP2024530188A 2022-06-30 2022-06-30 鍵発行装置、情報処理システム、方法及びプログラム Active JP7852717B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2022/026138 WO2024004116A1 (ja) 2022-06-30 2022-06-30 鍵発行装置、情報処理システム、方法及びコンピュータ可読媒体

Publications (3)

Publication Number Publication Date
JPWO2024004116A1 JPWO2024004116A1 (https=) 2024-01-04
JPWO2024004116A5 JPWO2024004116A5 (ja) 2025-02-28
JP7852717B2 true JP7852717B2 (ja) 2026-04-28

Family

ID=89382279

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2024530188A Active JP7852717B2 (ja) 2022-06-30 2022-06-30 鍵発行装置、情報処理システム、方法及びプログラム

Country Status (2)

Country Link
JP (1) JP7852717B2 (https=)
WO (1) WO2024004116A1 (https=)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015505230A (ja) 2012-01-25 2015-02-16 サーティボックス エルティーディーＣｅｒｔｉｖｏｘ，Ｌｔｄ． 分散秘密鍵ジェネレータ（ｄ−ｐｋｇ）ノードから発行された秘密鍵をセキュリティ保護するためのシステム及び方法
US20200252211A1 (en) 2019-01-31 2020-08-06 Cobinhood Ltd. Method for generating secure randomness on blockchain
WO2020251795A1 (en) 2019-06-10 2020-12-17 tZERO Group, Inc. Key recovery using encrypted secret shares
CN113079003A (zh) 2021-03-26 2021-07-06 中国科学院信息工程研究所 一种分布式sm9密钥生成方法及系统

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015505230A (ja) 2012-01-25 2015-02-16 サーティボックス エルティーディーＣｅｒｔｉｖｏｘ，Ｌｔｄ． 分散秘密鍵ジェネレータ（ｄ−ｐｋｇ）ノードから発行された秘密鍵をセキュリティ保護するためのシステム及び方法
US20200252211A1 (en) 2019-01-31 2020-08-06 Cobinhood Ltd. Method for generating secure randomness on blockchain
WO2020251795A1 (en) 2019-06-10 2020-12-17 tZERO Group, Inc. Key recovery using encrypted secret shares
CN113079003A (zh) 2021-03-26 2021-07-06 中国科学院信息工程研究所 一种分布式sm9密钥生成方法及系统

Also Published As

Publication number Publication date
JPWO2024004116A1 (https=) 2024-01-04
WO2024004116A1 (ja) 2024-01-04

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