JPWO2021131667A1 - - Google Patents

Info

Publication number
JPWO2021131667A1
JPWO2021131667A1 JP2021567179A JP2021567179A JPWO2021131667A1 JP WO2021131667 A1 JPWO2021131667 A1 JP WO2021131667A1 JP 2021567179 A JP2021567179 A JP 2021567179A JP 2021567179 A JP2021567179 A JP 2021567179A JP WO2021131667 A1 JPWO2021131667 A1 JP WO2021131667A1
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.)
Pending
Application number
JP2021567179A
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of JPWO2021131667A1 publication Critical patent/JPWO2021131667A1/ja
Pending legal-status Critical Current

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Storage Device Security (AREA)
JP2021567179A 2019-12-24 2020-12-08 Pending JPWO2021131667A1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019232752 2019-12-24
PCT/JP2020/045643 WO2021131667A1 (ja) 2019-12-24 2020-12-08 秘匿計算装置、秘匿計算方法及びプログラム

Publications (1)

Publication Number Publication Date
JPWO2021131667A1 true JPWO2021131667A1 (ja) 2021-07-01

Family

ID=76573991

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021567179A Pending JPWO2021131667A1 (ja) 2019-12-24 2020-12-08

Country Status (4)

Country Link
US (1) US11902415B2 (ja)
EP (1) EP4083972A4 (ja)
JP (1) JPWO2021131667A1 (ja)
WO (1) WO2021131667A1 (ja)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9094378B1 (en) * 2013-08-16 2015-07-28 Google Inc. Homomorphic cryptography on numerical values in digital computing
JP6173904B2 (ja) * 2013-12-13 2017-08-02 株式会社東芝 共通鍵暗号装置及びプログラム、並びに、共通鍵復号装置及びプログラム
US10153894B2 (en) * 2015-11-05 2018-12-11 Microsoft Technology Licensing, Llc Homomorphic encryption with optimized encoding
US10015007B2 (en) * 2015-11-25 2018-07-03 International Business Machines Corporation Performing efficient comparison operations on encrypted data
US10812252B2 (en) * 2017-01-09 2020-10-20 Microsoft Technology Licensing, Llc String matching in encrypted data
US11196539B2 (en) * 2017-06-22 2021-12-07 Microsoft Technology Licensing, Llc Multiplication operations on homomorphic encrypted data

Also Published As

Publication number Publication date
WO2021131667A1 (ja) 2021-07-01
EP4083972A4 (en) 2024-01-03
US20220416994A1 (en) 2022-12-29
US11902415B2 (en) 2024-02-13
EP4083972A1 (en) 2022-11-02

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Legal Events

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Effective date: 20230919

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