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公开(公告)号：US08850205B2
公开(公告)日：2014-09-30
申请号：US12325958
申请日：2008-12-01
申请人： Hyoung-Kee Choi , Jung-Yoon Kim , Do-Hyun Kwon , Eun-Young Lee , In-Hwan Kim , Se-Hwa Song
发明人： Hyoung-Kee Choi , Jung-Yoon Kim , Do-Hyun Kwon , Eun-Young Lee , In-Hwan Kim , Se-Hwa Song
CPC分类号： H04L9/0833 , H04L9/0866 , H04L9/0869 , H04L2209/601 , H04L2209/80
摘要： A method of and an authentication server for distributing a key are disclosed. According to an embodiment of the present invention, the method of distributing a key, which is distributed by an authentication server connected with wireless terminals through a communication network, for encrypting and decrypting data in accordance with providing a service can include: obtaining characteristic information by decrypting encrypted characteristic information that has been received from each of n number of wireless terminals; generating a random key; generating a group key used for encrypting and decrypting data in accordance with providing a service; and generating a distribution key by using the random key, the group key and the characteristic information, and transmitting the distribution key to each wireless terminal.
摘要翻译： 公开了一种用于分发密钥的方法和认证服务器。 根据本发明的实施例，通过通信网络与无线终端连接的认证服务器分发的密钥分配方法，用于根据提供业务对数据进行加密和解密，包括：通过以下方式获得特征信息： 解密从n个无线终端中的每一个接收到的加密特征信息; 产生随机密钥; 根据提供服务产生用于加密和解密数据的组密钥; 以及通过使用所述随机密钥，所述组密钥和所述特征信息来生成分发密钥，并将所述分发密钥发送到每个无线终端。
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公开(公告)号：US20090214043A1
公开(公告)日：2009-08-27
申请号：US12325958
申请日：2008-12-01
申请人： Hyoung-Kee Choi , Jung-Yoon Kim , Do-Hyun Kwon , Eun-Young Lee , In-Hwan Kim , Se-Hwa Song
发明人： Hyoung-Kee Choi , Jung-Yoon Kim , Do-Hyun Kwon , Eun-Young Lee , In-Hwan Kim , Se-Hwa Song
CPC分类号： H04L9/0833 , H04L9/0866 , H04L9/0869 , H04L2209/601 , H04L2209/80
摘要： A method of and an authentication server for distributing a key are disclosed. According to an embodiment of the present invention, the method of distributing a key, which is distributed by an authentication server connected with wireless terminals through a communication network, for encrypting and decrypting data in accordance with providing a service can include: obtaining characteristic information by decrypting encrypted characteristic information that has been received from each of n number of wireless terminals; generating a random key; generating a group key used for encrypting and decrypting data in accordance with providing a service; and generating a distribution key by using the random key, the group key and the characteristic information, and transmitting the distribution key to each wireless terminal.
摘要翻译： 公开了一种用于分发密钥的方法和认证服务器。 根据本发明的实施例，通过通信网络与无线终端连接的认证服务器分发的密钥分配方法，用于根据提供服务对数据进行加密和解密，包括：通过以下方式获得特征信息： 解密从n个无线终端中的每一个接收到的加密特征信息; 产生随机密钥; 根据提供服务产生用于加密和解密数据的组密钥; 以及通过使用所述随机密钥，所述组密钥和所述特征信息来生成分发密钥，并将所述分发密钥发送到每个无线终端。
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