JP2022500911A5 - - Google Patents

Info

Publication number
JP2022500911A5
JP2022500911A5 JP2021513439A JP2021513439A JP2022500911A5 JP 2022500911 A5 JP2022500911 A5 JP 2022500911A5 JP 2021513439 A JP2021513439 A JP 2021513439A JP 2021513439 A JP2021513439 A JP 2021513439A JP 2022500911 A5 JP2022500911 A5 JP 2022500911A5
Authority
JP
Japan
Prior art keywords
key
matrix
public
private
public key
Prior art date
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.)
Granted
Application number
JP2021513439A
Other languages
English (en)
Japanese (ja)
Other versions
JP2022500911A (ja
JP7413365B2 (ja
Filing date
Publication date
Priority claimed from EP18194118.8A external-priority patent/EP3624391A1/en
Application filed filed Critical
Publication of JP2022500911A publication Critical patent/JP2022500911A/ja
Publication of JP2022500911A5 publication Critical patent/JP2022500911A5/ja
Application granted granted Critical
Publication of JP7413365B2 publication Critical patent/JP7413365B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

JP2021513439A 2018-09-12 2019-09-02 暗号メッセージのサイズが縮小された公開鍵／秘密鍵システム Active JP7413365B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP18194118.8 2018-09-12
EP18194118.8A EP3624391A1 (en) 2018-09-12 2018-09-12 Public/private key system with decreased encrypted message size
PCT/EP2019/073327 WO2020053013A1 (en) 2018-09-12 2019-09-02 Public/private key system with decreased public key size

Publications (3)

Publication Number Publication Date
JP2022500911A JP2022500911A (ja) 2022-01-04
JP2022500911A5 true JP2022500911A5 (enExample) 2022-09-12
JP7413365B2 JP7413365B2 (ja) 2024-01-15

Family

ID=63579107

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021513439A Active JP7413365B2 (ja) 2018-09-12 2019-09-02 暗号メッセージのサイズが縮小された公開鍵／秘密鍵システム

Country Status (6)

Country Link
US (1) US11909877B2 (enExample)
EP (2) EP3624391A1 (enExample)
JP (1) JP7413365B2 (enExample)
CN (1) CN112997448B (enExample)
BR (1) BR112021004855A2 (enExample)
WO (1) WO2020053013A1 (enExample)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11469902B2 (en) * 2019-03-29 2022-10-11 Intel Corporation Systems and methods of using cryptographic primitives for error location, correction, and device recovery
EP3889764A1 (en) * 2020-03-31 2021-10-06 Koninklijke Philips N.V. Parallel generation of a random matrix
DE102020112102B3 (de) 2020-05-05 2021-05-20 Infineon Technologies Ag Verfahren und Vorrichtungen zur Erzeugung eines symmetrischen Sitzungsschlüssels für die verschlüsselte Kommunikation
US20220255735A1 (en) * 2021-02-08 2022-08-11 Visa International Service Association Blinding techniques for post-quantum public keys
CN112948851A (zh) * 2021-02-25 2021-06-11 深圳壹账通智能科技有限公司 用户认证方法、装置、服务器及存储介质
US12225111B2 (en) * 2022-03-08 2025-02-11 SanDisk Technologies, Inc. Authorization requests from a data storage device to multiple manager devices
KR102474897B1 (ko) * 2022-09-01 2022-12-06 (주)노르마 양자 내성 암호화 알고리즘에 기초한 봉인 키 교환을 통해 가상 사설 네트워크를 제공하는 가상 사설 네트워크 형성 방법 및 이를 수행하는 가상 사설 네트워크 운용 시스템
CN116192396B (zh) * 2022-12-05 2025-07-15 航天信息股份有限公司 签名快速生成方法、装置、电子设备及计算机存储介质
CN116132046B (zh) * 2022-12-07 2025-08-01 中国电子科技集团公司第三十研究所 格基加密算法解密错误率的估算方法、介质、设备及系统
CN116431968B (zh) * 2023-04-04 2024-08-16 北京航空航天大学 一种用于隐私计算的三方安全乘法方法及系统
CN116743392B (zh) * 2023-07-05 2026-03-03 江苏先安科技有限公司 一种基于sm2协同算法和私钥矩阵的隐式身份认证方法
CN116800423B (zh) * 2023-08-28 2023-11-03 长沙盈芯半导体科技有限公司 基于rfid的数据采集及双重加密解密数据保护方法和装置
KR102896817B1 (ko) * 2024-04-30 2025-12-05 인하대학교 산학협력단 메모리 기반 ntt를 이용한 재구성형 ml-kem 양자내성암호화 시스템 및 방법

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102664732B (zh) * 2012-03-07 2016-06-22 南相浩 Cpk公钥体制抗量子计算攻击的实现方法及系统
USRE47841E1 (en) * 2012-04-12 2020-02-04 Jintai Ding Cryptographic system using pairing with errors
CN103812650B (zh) * 2012-11-12 2017-05-31 华为技术有限公司 信息处理方法、用户设备和加密设备
CN104063838B (zh) * 2014-06-26 2017-09-12 上海理工大学 基于Logistic混沌映射和Walsh序列的非对称水印方法
NL2013520B1 (en) * 2014-09-24 2016-09-29 Koninklijke Philips Nv Public-key encryption system.
US10097351B1 (en) * 2016-09-15 2018-10-09 ISARA Corporation Generating a lattice basis for lattice-based cryptography
KR101913100B1 (ko) * 2016-11-24 2018-10-31 서울대학교산학협력단 생성 행렬의 천공에 기초한 암호화키를 사용하는 데이터 암호화 장치 및 방법
EP3364596A1 (en) * 2017-02-15 2018-08-22 Koninklijke Philips N.V. Key exchange devices and method
US10630655B2 (en) * 2017-05-18 2020-04-21 Robert Bosch Gmbh Post-quantum secure private stream aggregation
US10581604B2 (en) * 2017-10-17 2020-03-03 Comsats Institute Of Information Technology Post-quantum cryptographic communication protocol
JP6963277B2 (ja) * 2017-10-24 2021-11-05 日本電信電話株式会社 変換装置、判定装置、および計算装置
US10476664B2 (en) * 2017-10-27 2019-11-12 Quantropi Inc. Methods and systems for data protection
DE102018108313A1 (de) * 2018-04-09 2019-10-10 Infineon Technologies Ag Verfahren und Verarbeitungsvorrichtung zum Ausführen einer kryptografischen Operation auf Gitterbasis

Similar Documents

Publication Publication Date Title
CN113424185B (zh) 快速不经意传输
JP2022537733A5 (enExample)
US8331568B2 (en) Efficient distribution of computation in key agreement
US10187207B2 (en) Re-encryption key generator, re-encryption apparatus, encryption apparatus, decryption apparatus, and storage medium
US9426131B2 (en) Server apparatus and program to re-encrypt ciphertext data
JP7413365B2 (ja) 暗号メッセージのサイズが縮小された公開鍵／秘密鍵システム
US10027475B2 (en) Key agreement device and method
CN110113155B (zh) 一种高效无证书公钥加密方法
CN111162894B (zh) 具有隐私保护的外包云存储医疗数据聚合的统计分析方法
US20180034630A1 (en) Public-key encryption system
CN108075879B (zh) 一种数据加密和解密的方法、装置及系统
EP4008084A2 (en) Methods and systems for encryption and homomorphic encryption systems using geometric algebra and hensel codes
JP2018502320A (ja) 公開鍵暗号化システム
US20140126723A1 (en) Method, apparatus, and system for protecting cloud data security
CN112737783B (zh) 一种基于sm2椭圆曲线的解密方法及设备
CN111211897A (zh) 一种基于随机预言模型的时间控制加密安全增强方法
CN113326518A (zh) 一种数据处理方法及装置
JPWO2021171543A5 (ja) 認証暗号化装置、認証復号装置、認証暗号化方法、認証復号方法およびプログラム
AU2012287219B2 (en) System and method for obfuscating initiation values of a cryptography protocol
CN116941217A (zh) 用于约定共享密码密钥的方法和用于以加密方式通信的方法以及计算机程序产品和设备
CN102484589B (zh) 基于椭圆曲线参数化的加密方法
CN117688595A (zh) 一种基于可信执行环境的同态加密性能提升方法及其系统
JPWO2020157928A5 (enExample)
CN115021923B (zh) 基于变化因子的协作式解密信息的处理方法及装置
CN113726507B (zh) 数据传输方法、系统、装置及存储介质