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1. 发明授权

US5544245A Mutual authentication/cipher key delivery system 失效
标题翻译：相互认证/密钥交付系统
公开(公告)号：US5544245A
公开(公告)日：1996-08-06
申请号：US252847
申请日：1994-06-02
申请人： Hideki Tsubakiyama
发明人： Hideki Tsubakiyama
IPC分类号： G09C1/00 , H04L9/06 , H04L9/08 , H04L9/14 , H04L9/32 , H04L12/22 , H04K1/00
CPC分类号： H04L63/0869 , H04L9/002 , H04L9/0637 , H04L9/0844 , H04L9/3273
摘要： The network and each user i share an encryption algorithm EK.sub.i () using his authentication key K.sub.i as a cipher key, its inverse function EK.sub.i.sup.-1 (), a specific function F() and its inverse function F.sup.-1 (), and a function G(). The network calculates C.sub.1 =EK.sub.i (F(r.sub.n, r.sub.u)), using a random number r.sub.n generated by the user and a random number by the network, and sends it to the user. The user calculates (d.sub.1, d.sub.2)=F.sup.-1 (EK.sub.i.sup.-1 (C.sub.1)) and, if d.sub.1 =r.sub.n, judges the network to be an authorized one. The user generates a random number r.sub.c and sends C.sub.2 =EK.sub.i (F(d.sub.2, r.sub.c)) to the network. The network calculates (d.sub.3, d.sub.4)=F.sup.-1 (EK.sub.i.sup.-1 (C.sub.2)) and, if d.sub.3 =r.sub.u, judges the user to be an authorized one.
摘要翻译：网络和每个用户我使用他的认证密钥Ki作为加密密钥来共享加密算法EKi（），其反函数EKi-1（），特定函数F（）及其反函数F-1（）函数G（）。网络使用用户生成的随机数rn和网络的随机数来计算C1 = EKi（F（rn，ru）），并将其发送给用户。用户计算（d1，d2）= F-1（EKi-1（C1）），并且如果d1 = rn，则将网络判定为授权网络。用户生成随机数rc并向网络发送C2 = EKi（F（d2，rc））。网络计算（d3，d4）= F-1（EKi-1（C2）），并且如果d3 = ru，则判断用户是授权的。

2. 发明授权

US5345506A Mutual authentication/cipher key distribution system 失效
标题翻译：相互认证/密钥分发系统
公开(公告)号：US5345506A
公开(公告)日：1994-09-06
申请号：US70730
申请日：1993-06-02
申请人： Hideki Tsubakiyama , Masayoshi Oohashi , Keiichiro Koga
发明人： Hideki Tsubakiyama , Masayoshi Oohashi , Keiichiro Koga
IPC分类号： G09C1/00 , H04L9/06 , H04L9/08 , H04L9/14 , H04L9/32 , H04K1/00
CPC分类号： H04L9/0847 , H04L9/3273 , H04L2209/80
摘要： A communication network and its user i has a device for implementing a common key cryptosystem, an identifier of the user i represented by ID.sub.i which is made public in the network, an authentication key of a user i represented by S.sub.i is known only to the network and the user i and these identifiers and authentication keys of all the users are stored in a database of the network. Data for authentication and encrypted data of a cipher key for the subsequent privacy communication are sent from the network to the user, the user presents his identifier (ID) to the network, after which up to three interactions take place between the network and the user to perform the required authentications and distribution of the cipher key.
摘要翻译：通信网络及其用户i具有用于实现公共密钥密码系统的设备，由网络中公开的IDi表示的用户i的标识符，由Si表示的用户i的认证密钥仅对网络是已知的并且所有用户的用户i和这些标识符和认证密钥存储在网络的数据库中。用于后续隐私通信的密码密钥的认证数据和加密数据从网络发送给用户，用户向网络呈现他的标识符（ID），之后在网络和用户之间进行三次交互执行密码密钥的所需认证和分发。

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