公开(公告)号：US07676037B2

公开(公告)日：2010-03-09

申请号：US11014905

申请日：2004-12-20

Applicant: Bae-eun Jung ,  Kyung-hee Lee ,  Chae-hoon Lim

Inventor： Bae-eun Jung ,  Kyung-hee Lee ,  Chae-hoon Lim

IPC: H04L9/28 ,  H04L9/00 ,  H04L9/08 ,  H04L9/32

CPC classification number: G06F7/725 ,  G06F2207/7261 ,  H04L9/003 ,  H04L9/3066 ,  H04L2209/34

Abstract: An elliptic curve cryptography method which generates a public key for use in a communication encryption using an elliptic curve, including: changing a number of a secret key (d) of (k) bits to an odd number; encoding the secret key to yield an encoded secret key (d) in which a most significant bit (MSB) is (1) and a rest positional number is (1) or (−1); and computing the public key (Q=Dp) by multiplying the encoded secret key (d) by a predetermined point (P) on the elliptic curve by a scalar multiplication.

Abstract translation: 一种椭圆曲线密码方法，其生成使用椭圆曲线的通信加密中使用的公开密钥，包括：将（k）比特的秘密密钥（d）的数量改变为奇数; 编码所述秘密密钥以产生其中最高有效位（MSB）为（1）并且休息位置数为（1）或（-1）的编码密钥（d）; 以及通过将编码的秘密密钥（d）乘以椭圆曲线上的预定点（P）乘以标量乘积来计算公开密钥（Q = Dp）。

公开(公告)号：US07421074B2

公开(公告)日：2008-09-02

申请号：US10959993

申请日：2004-10-08

Applicant: Weon-il Jin ,  Mi-suk Huh ,  Bae-eun Jung ,  Bum-jin Im ,  Kyung-hee Lee

Inventor： Weon-il Jin ,  Mi-suk Huh ,  Bae-eun Jung ,  Bum-jin Im ,  Kyung-hee Lee

IPC: H04L9/30

CPC classification number: G06F7/723 ,  G06F2207/7242 ,  H04L9/003 ,  H04L9/302 ,  H04L2209/08

Abstract: A security system using an RSA algorithm that includes a key input section for receiving a secret key and a public key used in one of encryption and decryption of a message, a random coefficient generating section for generating a random coefficient r having a bit of a predetermined size, a first calculation section for dividing the secret key into a first secret key and a second secret key by using the value of r, and performing an exponentiation of RSA algorithm by using the respective secret keys and the public key, and a second calculation section for performing one of the encryption and the decryption by combining results of exponentiation calculated respectively by using the first and the second secret keys.

Abstract translation: 一种使用RSA算法的安全系统，包括用于接收秘密密钥的密钥输入部分和用于消息的加密和解密之一的公开密钥;随机系数产生部分，用于生成具有预定 大小，第一计算部分，用于通过使用r的值将秘密密钥分解成第一秘密密钥和第二秘密密钥，并且通过使用相应的密钥和公钥来执行RSA算法的乘幂，以及第二计算 部分，用于通过组合通过使用第一和第二秘密密钥分别计算的求幂的结果来执行加密和解密之一。

公开(公告)号：US20080195869A1

公开(公告)日：2008-08-14

申请号：US11898471

申请日：2007-09-12

Applicant: Hee Jean Kim ,  Maeng Hee Sung ,  Weon Il Jin ,  Bae Eun Jung ,  Tae-Chul Jung

Inventor： Hee Jean Kim ,  Maeng Hee Sung ,  Weon Il Jin ,  Bae Eun Jung ,  Tae-Chul Jung

IPC: H04L9/32 ,  H04L9/30

CPC classification number: G06F21/10 ,  G06F21/725 ,  H04L9/3247 ,  H04L2209/603

Abstract: A method and system for updating time information of a digital rights management (DRM) includes a time server transmitting a time information message to a consumer electronics (CE) device, the CE device transmitting the time information message to a digital rights management DRM device when the CE device receives the time information message from the time server, and the DRM device updating a present time of the DRM device based on the time information message when the DRM device successfully performs authentication with respect to the time information message which has been transmitted from the CE device.

Abstract translation: 一种用于更新数字版权管理（DRM）的时间信息的方法和系统包括时间服务器向消费者电子设备（CE）设备发送时间信息消息，该CE设备将时间信息消息发送到数字版权管理DRM设备，当时 所述CE设备从所述时间服务器接收所述时间信息消息，并且所述DRM设备基于所述时间信息消息来更新所述DRM设备的当前时间，当所述DRM设备成功地对已经从所述时间信息消息发送的时间信息消息进行认证时 CE设备。

公开(公告)号：US20080010242A1

公开(公告)日：2008-01-10

申请号：US11651596

申请日：2007-01-10

Applicant: Weon-il Jin ,  Bae-eun Jung

Inventor： Weon-il Jin ,  Bae-eun Jung

IPC: G06F17/30

CPC classification number: H04L9/0833 ,  G06F21/445 ,  G06F2221/2129 ,  H04L9/321 ,  H04L9/3236

Abstract: A device authentication method using broadcast encryption is provided, in which, a hash value corresponding to a group key version is generated, the generated hash value is encrypted with a group key, group key information comprising the encrypted hash value is generated, and the generated group key information including a signature of an authentication server for the group key information is transmitted. Accordingly, mutual authentication is accomplished by using the group key version including in the group key information.

Abstract translation: 提供一种使用广播加密的设备认证方法，其中生成与组密钥版本对应的散列值，生成的散列值用组密钥加密，生成包括加密散列值的组密钥信息，生成 发送包括组密钥信息的认证服务器的签名的组密钥信息。 因此，通过使用包括组密钥信息中的组密钥版本来实现相互认证。

公开(公告)号：US20060129837A1

公开(公告)日：2006-06-15

申请号：US11296266

申请日：2005-12-08

Applicant: Bum-jin Im ,  Kyung-hee Lee ,  Bae-eun Jung

Inventor： Bum-jin Im ,  Kyung-hee Lee ,  Bae-eun Jung

IPC: H04K1/00

CPC classification number: H04L63/062 ,  H04L63/083

Abstract: A security device for a home network and a security configuration method thereof. The security device for the home network includes a user interface to send at least one request signal that includes a device register request signal to register a home appliance to the home network; a public key generator to generate a public key and a password used for security configuration of the home network; a home appliance interface to interface with the home appliance; and a controller to control the home appliance interface to transmit the public key and the password to the home appliance, and the controller to control to register the home appliance to the home network according to a service discovery protocol when the device register request signal is received from the user interface. Accordingly, the security configuration of the home network can be facilitated.

Abstract translation: 一种用于家庭网络的安全设备及其安全配置方法。 用于家庭网络的安全设备包括：用户接口，用于发送包括设备注册请求信号的至少一个请求信号，以将家用电器注册到家庭网络; 用于生成用于家庭网络的安全配置的公钥和密码的公钥生成器; 与家用电器接口的家用电器接口; 以及控制器，用于控制家用电器接口将家用电器的公开密钥和密码传送到控制器，并且控制器在接收到设备注册请求信号时根据服务发现协议来控制将家用电器注册到家庭网络 从用户界面。 因此，可以促进家庭网络的安全配置。

公开(公告)号：US08509433B2

公开(公告)日：2013-08-13

申请号：US11727308

申请日：2007-03-26

Applicant: Bae Eun Jung ,  Maeng Hee Sung ,  Weon Il Jin ,  Hee Jean Kim

Inventor： Bae Eun Jung ,  Maeng Hee Sung ,  Weon Il Jin ,  Hee Jean Kim

IPC: H04L9/00

CPC classification number: H04L9/0836 ,  H04L2209/601 ,  H04L2209/80

Abstract: A method and an apparatus are provided for generating an encryption key for broadcast encryption. The method of generating the encryption key for the broadcast encryption includes generating a first encryption key with respect to all nodes, configured in a plurality of depths, from a root node to a plurality of leaf nodes, and generating a second encryption key with respect to each intermediate node between the root node and the plurality of leaf nodes, wherein the generation of the second encryption key comprises generating any one of first and second keys using the first encryption key depending on whether a first child node, connected to a sibling node of the intermediate node, is on a left path or a right path of the intermediate node.

Abstract translation: 提供了一种生成用于广播加密的加密密钥的方法和装置。 生成用于广播加密的加密密钥的方法包括：从根节点到多个叶节点，生成关于从多个深度配置的所有节点的第一加密密钥，并且生成关于 所述根节点和所述多个叶节点之间的每个中间节点，其中所述第二加密密钥的生成包括使用所述第一加密密钥生成第一和第二密钥中的任一个，这取决于连接到所述第一加密密钥的第一子节点 中间节点位于中间节点的左侧路径或右侧路径上。

公开(公告)号：US08056117B2

公开(公告)日：2011-11-08

申请号：US11350786

申请日：2006-02-10

Applicant: Bae-eun Jung ,  Mi-suk Huh ,  Maeng-hee Sung

Inventor： Bae-eun Jung ,  Mi-suk Huh ,  Maeng-hee Sung

IPC: G06F17/30 ,  H04L9/32

CPC classification number: H04L63/06 ,  H04L63/104 ,  H04L2463/062

Abstract: A network capable of communicating with foreign networks and having a plurality of devices capable of mutually communicating with one another and a domain setup method thereof. The network includes at least one main remote controller for, out of the devices, setting up authorization to use the respective devices belonging to at least one main domain having at least one of the devices; and at least one subsidiary remote controller for receiving authentication for authorization to use the respective device belonging to a domain having the respective devices authorized to at least one user by the respective main remote controllers. Thus, the present network enables each user to efficiently administer whether to use the home devices as well as enables the home devices authorized to each user to be set up in one domain in order to keep security and privacy from foreign domains.

Abstract translation: 能够与外部网络通信并具有能够彼此相互通信的多个设备的网络及其域设置方法。 该网络包括至少一个主遥控器，用于在设备之外设置授权以使用属于至少一个主域的相应设备，该至少一个主域具有至少一个设备; 以及至少一个辅助遥控器，用于接收认证以授权使用属于具有被相应主遥控器授权给至少一个用户的各个设备的域的相应设备。 因此，本网络使得每个用户能够有效地管理是否使用家庭设备，并且使得授权给每个用户的家庭设备能够被设置在一个域中，以便将安全性和隐私权保留在外部域中。

公开(公告)号：US20080086636A1

公开(公告)日：2008-04-10

申请号：US11727308

申请日：2007-03-26

Applicant: Bae Eun Jung ,  Maeng Hee Sung ,  Weon Il Jin ,  Hee Jean Kim

Inventor： Bae Eun Jung ,  Maeng Hee Sung ,  Weon Il Jin ,  Hee Jean Kim

IPC: H04L9/16

CPC classification number: H04L9/0836 ,  H04L2209/601 ,  H04L2209/80

Abstract: A method and an apparatus are provided for generating an encryption key for broadcast encryption. The method of generating the encryption key for the broadcast encryption includes generating a first encryption key with respect to all nodes, configured in a plurality of depths, from a root node to a plurality of leaf nodes, and generating a second encryption key with respect to each intermediate node between the root node and the plurality of leaf nodes, wherein the generation of the second encryption key comprises generating any one of first and second keys using the first encryption key depending on whether a first child node, connected to a sibling node of the intermediate node, is on a left path or a right path of the intermediate node.

Abstract translation: 提供了一种生成用于广播加密的加密密钥的方法和装置。 生成用于广播加密的加密密钥的方法包括：从根节点到多个叶节点，生成关于从多个深度配置的所有节点的第一加密密钥，并且生成关于 所述根节点和所述多个叶节点之间的每个中间节点，其中所述第二加密密钥的生成包括使用所述第一加密密钥来生成第一和第二密钥中的任一个，这取决于连接到所述第一加密密钥的第一子节点 中间节点位于中间节点的左侧路径或右侧路径上。

公开(公告)号：US20070265932A1

公开(公告)日：2007-11-15

申请号：US11543069

申请日：2006-10-05

Applicant: Bum-jin Im ,  Bae-eun Jung

Inventor： Bum-jin Im ,  Bae-eun Jung

IPC: G06Q30/00

CPC classification number: G06F21/10 ,  G06Q30/06 ,  G06Q30/0601

Abstract: An apparatus for providing a rights resale function and a method thereof are provided, in which a rights object to execute content can be freely transferred and shared among users on the intervention of a rights issuer. The apparatus for providing a rights resale function applied to a system which includes a rights acquisition agent and a rights issuer, includes a storage unit for storing a content related rights object, a token generation unit for generating a token for rights resale such as a token for reselling rights to obtain an issuance of the content related rights object from the rights issuer, with reference to the rights object from the storage unit, and a transmission/reception unit for transmitting the token for rights resale from the token generation unit to the rights acquisition agent.

Abstract translation: 提供了一种用于提供权利转售功能的装置及其方法，其中执行内容的权利对象可以在权利发行者的干预下在用户之间自由转移和共享。 用于提供权利转售功能的装置，其应用于包括权利获取代理和权利发行者的系统，包括用于存储与内容相关的权利对象的存储单元，用于生成权利转售的令牌的令牌生成单元，例如令牌 用于从存储单元参考权利对象从权利发行者获得发行内容相关权利对象的权利;以及发送/接收单元，用于将用于权利转售的令牌从令牌生成单元发送到权限 收购代理。

公开(公告)号：US20070232269A1

公开(公告)日：2007-10-04

申请号：US11585865

申请日：2006-10-25

Applicant: Bae-eun Jung ,  Maeng-hee Sung ,  Weon-il Jin ,  Hee-jean Kim ,  Hwan-joon Kim

Inventor： Bae-eun Jung ,  Maeng-hee Sung ,  Weon-il Jin ,  Hee-jean Kim ,  Hwan-joon Kim

IPC: H04M1/66

CPC classification number: H04M1/72522 ,  G06F21/602 ,  H04M1/72558

Abstract: An improved security device for digital contents and a method for using the security device are provided. The improved security device and method include a transmission and reception unit for transmitting and receiving data necessary for authentication with a mobile device, and for transmitting and receiving contents of the mobile device and a controller for performing authentication with the mobile device, and for decrypting re-encrypted contents from the mobile device when the authentication is successful. The improved method and device provide enhance mobility for users.

Abstract translation: 提供了一种用于数字内容的改进的安全装置和用于使用该安全装置的方法。 改进的安全装置和方法包括用于发送和接收与移动装置进行认证所需的数据的发送和接收单元，以及用于发送和接收移动装置的内容和用于执行与移动装置的认证的控制器，以及用于解密re 当认证成功时，来自移动设备的加密内容。 改进的方法和设备提供增强用户的移动性。