JP7367860B2 - 認証暗号化装置、認証復号装置、認証暗号システム、方法及びプログラム - Google Patents

認証暗号化装置、認証復号装置、認証暗号システム、方法及びプログラム Download PDF

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Publication number
JP7367860B2
JP7367860B2 JP2022516562A JP2022516562A JP7367860B2 JP 7367860 B2 JP7367860 B2 JP 7367860B2 JP 2022516562 A JP2022516562 A JP 2022516562A JP 2022516562 A JP2022516562 A JP 2022516562A JP 7367860 B2 JP7367860 B2 JP 7367860B2
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nonce
authentication
plaintext
tag
encryption
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JPWO2021214923A5 (ja
JPWO2021214923A1 (https=
Inventor
一彦 峯松
明子 向井
尚文 本間
嶺 上野
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NEC Corp
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NEC Corp
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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
    • H04L9/32—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
    • H04L9/3234—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 additional secure or trusted devices, e.g. TPM, smartcard, USB or software token
    • 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
    • H04L9/3236—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 using cryptographic hash functions
    • H04L9/3242—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 using cryptographic hash functions involving keyed hash functions, e.g. message authentication codes [MACs], CBC-MAC or HMAC
    • 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
    • H04L9/06—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
    • H04L9/06—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
    • H04L9/0637—Modes of operation, e.g. cipher block chaining [CBC], electronic codebook [ECB] or Galois/counter mode [GCM]
    • 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
    • H04L9/3236—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 using cryptographic hash functions
    • H04L9/3239—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 using cryptographic hash functions involving non-keyed hash functions, e.g. modification detection codes [MDCs], MD5, SHA or RIPEMD

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  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Power Engineering (AREA)
  • Storage Device Security (AREA)
JP2022516562A 2020-04-23 2020-04-23 認証暗号化装置、認証復号装置、認証暗号システム、方法及びプログラム Active JP7367860B2 (ja)

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PCT/JP2020/017422 WO2021214923A1 (ja) 2020-04-23 2020-04-23 認証暗号化装置、認証復号装置、認証暗号システム、方法及びコンピュータ可読媒体

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JPWO2021214923A5 JPWO2021214923A5 (ja) 2023-01-06
JP7367860B2 true JP7367860B2 (ja) 2023-10-24

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2023150829A (ja) * 2022-03-31 2023-10-16 Kddi株式会社 暗号化装置、復号装置、暗号化方法及び暗号化プログラム

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* Cited by examiner, † Cited by third party
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EP4113341A1 (en) * 2021-06-30 2023-01-04 Giesecke+Devrient Mobile Security GmbH Encryption scheme for providing software updates to an update agent
CN114640547B (zh) * 2022-05-18 2022-08-02 深圳市研强物联技术有限公司 一种用于智能录音设备的语音处理方法
CN115118527B (zh) * 2022-08-26 2022-11-25 深圳市成为信息股份有限公司 超高频模组与pda的双向认证方法及相关设备
WO2024180612A1 (ja) * 2023-02-27 2024-09-06 日本電気株式会社 認証暗号化装置、認証復号装置、認証暗号システム、方法及びコンピュータ可読媒体
US12432053B2 (en) * 2023-04-07 2025-09-30 Micro Focus Llc Efficient length preserving encryption of large plaintexts

Citations (4)

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WO2015015702A1 (ja) 2013-08-02 2015-02-05 日本電気株式会社 認証暗号装置、認証暗号方法および認証暗号用プログラム
JP2016075765A (ja) 2014-10-03 2016-05-12 日本放送協会 認証暗号化装置および認証復号装置、ならびに、それらのプログラム
JP2019015918A (ja) 2017-07-10 2019-01-31 日本電信電話株式会社 暗号化データ生成装置、復号データ生成装置、追加データ付き認証暗号システム、その方法、及びプログラム
WO2019163032A1 (ja) 2018-02-21 2019-08-29 日本電気株式会社 暗号化装置、暗号化方法、プログラム、復号装置、復号方法

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SE1751566A1 (en) * 2017-12-18 2019-06-19 DeviceRadio AB Encryption methods and devices
US11516013B2 (en) * 2018-06-28 2022-11-29 Intel Corporation Accelerator for encrypting or decrypting confidential data with additional authentication data
CN112640359B (zh) * 2018-08-30 2024-05-03 三菱电机株式会社 消息认证装置、消息认证方法及计算机可读取的存储介质
US11477172B2 (en) * 2020-01-24 2022-10-18 International Business Machines Corporation Securing data compression

Patent Citations (4)

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Publication number Priority date Publication date Assignee Title
WO2015015702A1 (ja) 2013-08-02 2015-02-05 日本電気株式会社 認証暗号装置、認証暗号方法および認証暗号用プログラム
JP2016075765A (ja) 2014-10-03 2016-05-12 日本放送協会 認証暗号化装置および認証復号装置、ならびに、それらのプログラム
JP2019015918A (ja) 2017-07-10 2019-01-31 日本電信電話株式会社 暗号化データ生成装置、復号データ生成装置、追加データ付き認証暗号システム、その方法、及びプログラム
WO2019163032A1 (ja) 2018-02-21 2019-08-29 日本電気株式会社 暗号化装置、暗号化方法、プログラム、復号装置、復号方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2023150829A (ja) * 2022-03-31 2023-10-16 Kddi株式会社 暗号化装置、復号装置、暗号化方法及び暗号化プログラム
JP7599450B2 (ja) 2022-03-31 2024-12-13 Kddi株式会社 暗号化装置、復号装置、暗号化方法及び暗号化プログラム

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JPWO2021214923A1 (https=) 2021-10-28
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