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    • 1. 发明公开
    • 비정적 양자 비트 위임 처리 방법
    • 非静态量子点承诺过程的方法
    • KR1020110062869A
    • 2011-06-10
    • KR1020090119722
    • 2009-12-04
    • 한국전자통신연구원
    • 최정운장구영홍도원지동표이수준
    • G09C1/00
    • PURPOSE: A method for processing non-static quantum bit commitment is provided to secure the safety using a quantum entanglement distribution center and the non-locality of a quantum entanglement state. CONSTITUTION: A quantum entanglement organization measures the maximum entangled quantum state, and the quantum state determined by the measured value is provided to a transmitter(S201, S203, S205). The transmitter arbitrarily selects unitary transformation and applied the selected unitary transformation to the quantum state, and bit is transmitted and committed to a receiver(S207). The transmitter and the receiver are held(S209). After the transmitter discloses the information of unitary transformation, the quantum entanglement distribution organization discloses the information a measuring process and the measured value(S211, S213, S215).
    • 目的:提供一种用于处理非静态量子位承诺的方法,以使用量子纠缠分布中心和量子纠缠状态的非局部性来确保安全性。 构成:量子纠缠组织测量最大纠缠量子态,将由测量值确定的量子态提供给发射机(S201,S203,S205)。 发射机任意选择单位变换,并将所选择的单位变换应用于量子态,并将位传送并提交给接收机(S207)。 保持发射机和接收机(S209)。 发射机公开了单一变换信息后,量子纠缠分布组织公开了信息的测量过程和测量值(S211,S213,S215)。
    • 3. 发明公开
    • 양자 비밀 공유 프로토콜을 위한 양자 인증 방법 및 장치
    • 量子认知方法和量子秘密共享协议的设备
    • KR1020120071883A
    • 2012-07-03
    • KR1020100133609
    • 2010-12-23
    • 한국전자통신연구원
    • 최정운장구영지동표이수준정갑균김태완
    • H04L9/08H04L9/32
    • PURPOSE: A quantum authentication method and apparatus for a QSS(Quantum Secret Sharing) protocol are provided to ensure efficiency by setting a short secret key regardless of the amount of quantum information and classical information transmitted from a protocol processing step. CONSTITUTION: A quantum transmission unit transmits a quantum state through a quantum entangled transmission step(S200). A quantum authentication apparatus performs an error rate estimation step by using an error output unit(S300). The quantum authentication apparatus performs a user authentication step by using a user authentication unit(S400). The quantum authentication apparatus performs a secret key generating step by using a secret key administration unit(S500). The secret key administration unit performs a confidential sharing step(S600).
    • 目的:提供一种用于QSS(量子秘密共享)协议的量子认证方法和装置,以便通过设置一个较短的秘密密钥来确保效率,而不管从协议处理步骤发送的量子信息和经典信息的数量。 构成:量子传递单元通过量子纠缠传输步骤传输量子态(S200)。 量子认证装置通过使用错误输出单元执行错误率估计步骤(S300)。 量子认证装置通过使用用户认证单元执行用户认证步骤(S400)。 量子认证装置通过使用秘密密钥管理单元执行密钥生成步骤(S500)。 密钥管理单元执行机密共享步骤(S600)。
    • 4. 发明公开
    • 양자 비트 위임 프로토콜을 실행하기 위한 방법
    • 执行量子承诺协议的方法和系统
    • KR1020100068147A
    • 2010-06-22
    • KR1020090016917
    • 2009-02-27
    • 한국전자통신연구원
    • 최정운장구영홍도원지동표
    • H04L9/22H04B10/00H04W12/08
    • H04L9/0855
    • PURPOSE: A method and a system for practicing a quantum bit committing protocol are provided to guarantee unconditional stability using a bidirectional quantum communication in a non-relative system. CONSTITUTION: A quantum state for containing a bit information entrusted to a mandatory or a receiver or the quantum state combined with the bit information is prepared in advance(S100). An Alice receiving a quantum state information entrusts the bit information to Bob(S200). The bit information corresponds to sensitive information promised the Bob with the Alice. The Alice and the Bob maintain the bit information entrusted for a predetermined time(S300). The predetermined time corresponds to a contracted arbitrary period between the Alice and the Bob. The Alice performs a public step for disclosing the bit information entrusted to the Bob(S400).
    • 目的:提供一种用于实施量子位提交协议的方法和系统,以使用非相对系统中的双向量子通信来保证无条件的稳定性。 构成:预先准备用于包含委托给强制性或接收者的位信息或与位信息组合的量子态的量子态(S100)。 接收量子态信息的爱丽丝将比特信息委托给Bob(S200)。 比特信息对应于敏感信息,承诺鲍勃与爱丽丝。 Alice和Bob维护委托一段预定时间的比特信息(S300)。 预定时间对应于爱丽丝和鲍勃之间的收缩任意时期。 爱丽丝公开披露托管给Bob的位信息(S400)的公开步骤。
    • 6. 发明公开
    • 다자간 양자 통신에서의 사용자 인증 방법 및 장치
    • 多用途通信认证用户的方法和设备
    • KR1020110070694A
    • 2011-06-24
    • KR1020100033400
    • 2010-04-12
    • 한국전자통신연구원
    • 최정운장구영노태곤지동표이수준
    • H04L9/08H04L9/32
    • H04L63/1416H04L9/0852
    • PURPOSE: A user authentication method at multilateral both sides communication and an apparatus thereof are provided to guarantee unconditional security for the attack of a disguised attack person, by generating a new secret key. CONSTITUTION: One user among N users transmits N particles corresponding to N-Partite GHZ state to the users(S100). A both sides communication server judges a disguised attack person among N users, based on a second number of particles and a first error rate(S120). The both sides communication server generates a new secret key using a third number of particles. The both sides communication server controls the replacement of the stored secret key with the new secret key(S130). The both sides communication server computes a second error rate(S110). The both sides communication server refines the error generated during transmission(S140).
    • 目的:提供双边通信及其设备的用户认证方法,以保证伪装攻击者的攻击无条件的安全性,方法是生成新的密钥。 构成:N个用户中的一个用户向用户发送对应于N-Partite GHZ状态的N个粒子(S100)。 双方通信服务器根据第二数量的粒子和第一错误率来判断N个用户中的伪装攻击者(S120)。 双方通信服务器使用第三数量的粒子生成新的密钥。 双方通信服务器用新的秘密密钥控制存储的秘密密钥的替换(S130)。 双方通信服务器计算第二个错误率(S110)。 双方通信服务器精简传输过程中产生的错误(S140)。