JP7229778B2 - 鍵管理システム及び方法 - Google Patents

鍵管理システム及び方法 Download PDF

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Publication number
JP7229778B2
JP7229778B2 JP2018567679A JP2018567679A JP7229778B2 JP 7229778 B2 JP7229778 B2 JP 7229778B2 JP 2018567679 A JP2018567679 A JP 2018567679A JP 2018567679 A JP2018567679 A JP 2018567679A JP 7229778 B2 JP7229778 B2 JP 7229778B2
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key
private
application
cryptographic
fake
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Japanese (ja)
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JP2019519176A5 (enExample
JP2019519176A (ja
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剛 山本
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NTT Innovation Institute Inc
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NTT Innovation Institute Inc
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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
    • H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0838—Key agreement, i.e. key establishment technique in which a shared key is derived by parties as a function of information contributed by, or associated with, each of these
    • H04L9/0841—Key agreement, i.e. key establishment technique in which a shared key is derived by parties as a function of information contributed by, or associated with, each of these involving Diffie-Hellman or related key agreement protocols
    • 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
    • H04L9/08—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
    • 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
    • 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
    • H04L9/3006—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy underlying computational problems or public-key parameters
    • H04L9/302—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy underlying computational problems or public-key parameters involving the integer factorization problem, e.g. RSA or quadratic sieve [QS] schemes
    • 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
    • H04L2209/24—Key scheduling, i.e. generating round keys or sub-keys for block encryption

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  • 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)
JP2018567679A 2016-06-24 2017-06-23 鍵管理システム及び方法 Active JP7229778B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US15/192,755 US10644878B2 (en) 2016-06-24 2016-06-24 Key management system and method
US15/192,755 2016-06-24
PCT/US2017/039043 WO2017223478A1 (en) 2016-06-24 2017-06-23 Key management system and method

Publications (3)

Publication Number Publication Date
JP2019519176A JP2019519176A (ja) 2019-07-04
JP2019519176A5 JP2019519176A5 (enExample) 2020-08-06
JP7229778B2 true JP7229778B2 (ja) 2023-02-28

Family

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Family Applications (1)

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JP2018567679A Active JP7229778B2 (ja) 2016-06-24 2017-06-23 鍵管理システム及び方法

Country Status (3)

Country Link
US (1) US10644878B2 (enExample)
JP (1) JP7229778B2 (enExample)
WO (1) WO2017223478A1 (enExample)

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US11757857B2 (en) 2017-01-23 2023-09-12 Ntt Research, Inc. Digital credential issuing system and method
CN111245597B (zh) * 2020-01-17 2023-09-15 众安信息技术服务有限公司 密钥管理方法、系统及设备
US12406185B1 (en) 2020-07-15 2025-09-02 Ntt Research, Inc. System and method for pruning neural networks at initialization using iteratively conserving synaptic flow
CN113595831B (zh) * 2021-08-02 2024-01-30 中国工商银行股份有限公司 流量信息测试方法、装置及系统
US20240022418A1 (en) * 2022-07-15 2024-01-18 Vmware, Inc. Cryptographic processing

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JP2019519176A (ja) 2019-07-04
US20170373835A1 (en) 2017-12-28
US10644878B2 (en) 2020-05-05
WO2017223478A1 (en) 2017-12-28

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