CN104488218B - 加密装置、解密装置、加密方法、解密方法 - Google Patents

加密装置、解密装置、加密方法、解密方法 Download PDF

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Publication number
CN104488218B
CN104488218B CN201380034391.2A CN201380034391A CN104488218B CN 104488218 B CN104488218 B CN 104488218B CN 201380034391 A CN201380034391 A CN 201380034391A CN 104488218 B CN104488218 B CN 104488218B
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China
Prior art keywords
bit string
matrix
mod
matrixes
key
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Expired - Fee Related
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CN201380034391.2A
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English (en)
Chinese (zh)
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CN104488218A (zh
Inventor
大矢雅则
入山圣史
路易吉·阿卡尔迪
马西莫·雷戈利
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Tokyo University of Science
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Actif Corp
Crypto Basic 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
    • H04L9/08—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
    • 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
    • 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
    • H04L9/065—Encryption by serially and continuously modifying data stream elements, e.g. stream cipher systems, RC4, SEAL or A5/3
    • H04L9/0656—Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher
    • H04L9/0662—Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher with particular pseudorandom sequence generator
    • 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

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  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Storage Device Security (AREA)
  • Mobile Radio Communication Systems (AREA)
CN201380034391.2A 2012-07-05 2013-07-04 加密装置、解密装置、加密方法、解密方法 Expired - Fee Related CN104488218B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2012-151835 2012-07-05
JP2012151835A JP6019453B2 (ja) 2012-07-05 2012-07-05 暗号化装置、復号化装置、及びプログラム
PCT/JP2013/068419 WO2014007347A1 (ja) 2012-07-05 2013-07-04 共有秘密鍵生成装置、暗号化装置、復号化装置、共有秘密鍵生成方法、暗号化方法、復号化方法、及びプログラム

Publications (2)

Publication Number Publication Date
CN104488218A CN104488218A (zh) 2015-04-01
CN104488218B true CN104488218B (zh) 2017-07-04

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CN201380034391.2A Expired - Fee Related CN104488218B (zh) 2012-07-05 2013-07-04 加密装置、解密装置、加密方法、解密方法

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US (1) US9608812B2 (enExample)
EP (1) EP2882132B1 (enExample)
JP (1) JP6019453B2 (enExample)
KR (1) KR102136904B1 (enExample)
CN (1) CN104488218B (enExample)
WO (1) WO2014007347A1 (enExample)

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CN104993927B (zh) * 2015-07-07 2018-03-20 安徽师范大学 一种对称密钥生成方法
US10728227B2 (en) * 2016-08-02 2020-07-28 X-Logos, LLC Methods and systems for enhanced data-centric encryption systems using geometric algebra
CN106788980B (zh) * 2017-01-16 2019-07-30 中国人民解放军国防科学技术大学 一种面向云计算的矩阵乘法外包过程中安全加密方法
CN107104796B (zh) * 2017-05-02 2018-06-29 北京邮电大学 一种基于非交换群上的对称乘法同态加密方法及装置
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CN107979590B (zh) * 2017-11-02 2020-01-17 财付通支付科技有限公司 数据共享方法、客户端、服务器、计算设备及存储介质
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US11218291B2 (en) * 2018-02-26 2022-01-04 Stmicroelectronics (Rousset) Sas Method and circuit for performing a substitution operation
CN108667598B (zh) * 2018-04-28 2021-10-15 克洛斯比尔有限公司 用于实现安全密钥交换的设备和方法及安全密钥交换方法
CN108833423B (zh) * 2018-06-25 2020-07-31 厦门大学 一种基于强化学习的多途径保密信息通信方法
TWI672932B (zh) * 2018-09-27 2019-09-21 國立交通大學 基於質數陣列的後量子非對稱密鑰產生方法及系統、加密方法、解密方法及加密通訊系統
CN109787754B (zh) * 2018-12-14 2023-04-18 平安科技（深圳）有限公司 一种数据加解密方法、计算机可读存储介质及服务器
CN111107062B (zh) * 2019-11-29 2022-04-05 珠海金山网络游戏科技有限公司 一种基于贪婪算法的游戏资源打包方法及系统
US11943348B1 (en) * 2019-12-11 2024-03-26 Q-Net Security, Inc. Method and system for secure cryptographic exchanges using a five-pass protocol
US20230041340A1 (en) * 2019-12-25 2023-02-09 Nippon Telegraph And Telephone Corporation Digital watermarking apparatus, digital watermark extraction apparatus, digital watermarking method, digital watermark extraction method and program
CN111431698B (zh) * 2020-04-23 2023-08-15 兰州交通大学 运用Haar变换和高斯分布的矢量空间数据加密方法
US11632246B2 (en) * 2020-12-30 2023-04-18 International Business Machines Corporation Hybrid key derivation to secure data
US12483398B2 (en) * 2021-03-01 2025-11-25 International Institute Of Information Technology, Hyderabad System and method for proven secret key agreement between initiating unit and responding unit
CN112887079B (zh) * 2021-03-11 2022-10-04 中国石油大学(华东) 基于一段随机比特序列生成的变换加密算法
CN114186246A (zh) * 2021-10-26 2022-03-15 广州辰创科技发展有限公司 一种数据库存储加密方法、解密方法、系统及设备

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Also Published As

Publication number Publication date
US20150156018A1 (en) 2015-06-04
KR20150037913A (ko) 2015-04-08
WO2014007347A1 (ja) 2014-01-09
JP2014017556A (ja) 2014-01-30
KR102136904B1 (ko) 2020-07-23
EP2882132A1 (en) 2015-06-10
EP2882132A4 (en) 2016-03-09
JP6019453B2 (ja) 2016-11-02
CN104488218A (zh) 2015-04-01
US9608812B2 (en) 2017-03-28
EP2882132B1 (en) 2019-12-18

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