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公开(公告)号：US5341427A
公开(公告)日：1994-08-23
申请号：US52438
申请日：1993-04-23
Applicant: Douglas A. Hardy , Leslie K. Lewis , Barry N. Altschuler
Inventor： Douglas A. Hardy , Leslie K. Lewis , Barry N. Altschuler
CPC classification number: H04L9/0844 , H04L2209/80
Abstract: An apparatus for secure communications contains a controller for automatically selecting one of several data ciphering devices utilizing one of a plurality of ciphering algorithms common to transmitting and receiving terminals. A transmitter for transmitting encrypted data, and a receiver for receiving encrypted data are coupled to the plurality of ciphering devices. The controller automatically determines which of the ciphering devices to employ for any given secure communication. The method for establishing a secure communications link includes the steps of exchanging a first message for determining a common key generation and ciphering method and comparing a further shared message for validation of communications terminal security. Additionally, the steps of trading a still further message for providing data to form traffic keys to initialize key generators, interchanging an additional message for synchronizing and verifying synchronization of secure communications between secure communications terminals, and initiating secure communication are used.
Abstract translation: 一种用于安全通信的装置包括一个控制器，用于利用发送和接收终端共同的多个加密算法之一自动选择几个数据加密装置之一。 用于发送加密数据的发射机和用于接收加密数据的接收机耦合到多个加密装置。 控制器自动确定为任何给定的安全通信使用哪些加密设备。 用于建立安全通信链路的方法包括以下步骤：交换用于确定公共密钥生成和加密方法的第一消息，并比较用于通信终端安全性验证的另一共享消息。 另外，使用进一步的消息来交付用于形成业务密钥以初始化密钥生成器，交换用于同步和验证安全通信终端之间的安全通信的同步以及发起安全通信的附加消息的另外的消息的步骤。
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公开(公告)号：US5179591A
公开(公告)日：1993-01-12
申请号：US777870
申请日：1991-10-16
Applicant: Douglas A. Hardy , Leslie K. Lewis , Barry N. Altschuler
Inventor： Douglas A. Hardy , Leslie K. Lewis , Barry N. Altschuler
CPC classification number: H04L9/0844 , H04L2209/80
Abstract: An apparatus for secure communications contains a controller for automatically selecting one of several data ciphering means utilizing one of a plurality of ciphering algorithms common to transmitting and receiving terminals. A transmitting means for transmitting encrypted data, and a receiving means for receiving encrypted data are coupled to the plurality of ciphering means. The control means automatically determines which of the ciphering means to employ for any given secure communication. The method for establishing a secure communications link includes the steps of exchanging a first message for determining a common key generation and ciphering method and comparing a further shared message for validation of communications terminal security. Additionally, the steps of trading a still further message for providing data to form traffic keys to initialize key generators, interchanging an additional message for synchronizing and verifying synchronization of secure communications between secure communications terminals, and initiating secure communication are used.
Abstract translation: 一种用于安全通信的装置包括一个控制器，用于利用发送和接收终端共同的多个加密算法之一自动选择几个数据加密装置之一。 用于发送加密数据的发送装置和用于接收加密数据的接收装置耦合到多个加密装置。 控制装置自动确定为任何给定的安全通信使用哪个加密装置。 用于建立安全通信链路的方法包括以下步骤：交换用于确定公共密钥生成和加密方法的第一消息，并比较用于通信终端安全性验证的另一共享消息。 另外，使用进一步的消息来交付用于形成业务密钥以初始化密钥生成器，交换用于同步和验证安全通信终端之间的安全通信的同步以及发起安全通信的附加消息的另外的消息的步骤。
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Patent Agency Ranking
公开(公告)号：US5230020A
公开(公告)日：1993-07-20
申请号：US954205
申请日：1992-09-30
Applicant: Douglas A. Hardy , Leslie K. Lewis , Barry N. Altschuler
Inventor： Douglas A. Hardy , Leslie K. Lewis , Barry N. Altschuler
IPC: H04L9/08
CPC classification number: H04L9/0844 , H04L9/14
Abstract: An apparatus for secure communications contains a controller for automatically selecting one of several data ciphering devices utilizing one of a plurality of ciphering algorithms common to transmitting and receiving terminals. A transmitter for transmitting encrypted data, and a receiver for receiving encrypted data are coupled to the plurality of ciphering devices. The controller automatically determines which of the ciphering devices to employ for any given secure communication. The method for establishing a secure communications link includes the steps of exchanging a first message for determining a common key generation and ciphering method and comparing a further shared message for validation of communications terminal security. Additionally, the steps of trading a still further message for providing data to form traffic keys to initialize key generators, interchanging an additional message for synchronizing and verifying synchronization of secure communications between secure communications terminals, and initiating secure communication are used.
Abstract translation: 一种用于安全通信的装置包括一个控制器，用于利用发送和接收终端共同的多个加密算法之一自动选择几个数据加密装置之一。 用于发送加密数据的发射机和用于接收加密数据的接收机耦合到多个加密装置。 控制器自动确定为任何给定的安全通信使用哪些加密设备。 用于建立安全通信链路的方法包括以下步骤：交换用于确定公共密钥生成和加密方法的第一消息，并比较用于通信终端安全性验证的另一共享消息。 另外，使用进一步的消息来交付用于形成业务密钥以初始化密钥生成器，交换用于同步和验证安全通信终端之间的安全通信的同步以及发起安全通信的附加消息的另外的消息的步骤。
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公开(公告)号：US5615266A
公开(公告)日：1997-03-25
申请号：US585076
申请日：1996-01-11
Applicant: Barry N. Altschuler , Douglas A. Hardy , James A. Stephens , Joseph Kish, III
Inventor： Barry N. Altschuler , Douglas A. Hardy , James A. Stephens , Joseph Kish, III
CPC classification number: H04L9/0891
Abstract: A call is connected between secure terminals (16) through a network (12). If a network address for the call is included on an approved list (46), a secure call setup procedure (54) is performed automatically. One terminal (16) automatically sends an auto-secure signal. If the other terminal detects the auto-secure signal, secure call setup procedure (54) is performed automatically. The secure call setup procedure (54) determines a current user-identity for the opposing party. If the current user-identity corresponds to a user-identity included on an approved list (76), an abbreviated secure call setup process (80) is performed. If the current user identity is not approved, a full secure call setup process (78) is performed. The abbreviated process (80) differs from the full process (78) in that it uses a traffic key obtained from a prior secure communication session and may be performed more quickly.
Abstract translation: 呼叫通过网络（12）连接在安全终端（16）之间。 如果用于呼叫的网络地址包括在批准列表（46）中，则自动执行安全呼叫建立过程（54）。 一个终端（16）自动发送一个自动安全信号。 如果其他终端检测到自动安全信号，则自动执行安全呼叫建立过程（54）。 安全呼叫建立过程（54）确定对方的当前用户身份。 如果当前用户身份对应于包含在批准列表（76）上的用户身份，则执行简档安全呼叫建立过程（80）。 如果当前用户身份未被批准，则执行完全安全呼叫建立过程（78）。 缩写过程（80）与完整过程（78）不同之处在于它使用从先前的安全通信会话获得的业务密钥，并且可以更快地执行。
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公开(公告)号：US5335281A
公开(公告)日：1994-08-02
申请号：US991056
申请日：1992-12-15
Applicant: Michelle L. Tugenberg , Barry N. Altschuler , Douglas A. Hardy
Inventor： Michelle L. Tugenberg , Barry N. Altschuler , Douglas A. Hardy
CPC classification number: H04L9/32
Abstract: A method for passing supervisory control from a first station to a second station of a plurality of stations comprises steps of providing a message header in interstation messages in the first station, transmitting the interstation message from the first station to the second station, processing a message header from the interstation message to extract data and determining present identification of a system controller from the extracted data. The method includes steps of providing a first field containing message identification information, providing a second field containing supervisor station identification information, providing a third field containing update count information and providing a fourth field containing sending station identification information in the message header.
Abstract translation: 用于将管理控制从第一站传递到多个站的第二站的方法包括以下步骤：在第一站中的站间消息中提供消息报头，将站间消息从第一站发送到第二站，处理消息 来自站间消息的报头，以从提取的数据中提取数据和确定系统控制器的当前标识。 该方法包括以下步骤：提供包含消息识别信息的第一字段，提供包含管理员站标识信息的第二字段，提供包含更新计数信息的第三字段，并在消息报头中提供包含发送站标识信息的第四字段。
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公开(公告)号：US5588062A
公开(公告)日：1996-12-24
申请号：US501799
申请日：1995-07-13
Applicant: Barry N. Altschuler , Douglas A. Hardy , James A. Stephens , Joseph Kish, III
Inventor： Barry N. Altschuler , Douglas A. Hardy , James A. Stephens , Joseph Kish, III
CPC classification number: H04L63/0428 , H04M1/663 , H04M1/667
Abstract: A call is connected between secure terminals (16) through a network (12). If a network address for the call is included on an approved list (46), a secure call setup procedure (54) is performed automatically. One terminal (16) automatically sends an auto-secure signal. If the other terminal detects the auto-secure signal, secure call setup procedure (54) is performed automatically. The secure call setup procedure (54) determines a current user-identity for the opposing party. If the current user-identity corresponds to a user-identity included on an approved list (76), an abbreviated secure call setup process (80) is performed. If the current user identity is not approved, a full secure call setup process (78) is performed. The abbreviated process (80) differs from the full process (78) in that it uses a traffic key obtained from a prior secure communication session and may be performed more quickly.
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公开(公告)号：US5465300A
公开(公告)日：1995-11-07
申请号：US172971
申请日：1993-12-27
Applicant: Barry N. Altschuler , Douglas A. Hardy , James A. Stephens , Joseph Kish, III
Inventor： Barry N. Altschuler , Douglas A. Hardy , James A. Stephens , Joseph Kish, III
CPC classification number: H04L63/0428 , H04M1/663 , H04M1/667
Abstract: A call is connected between secure terminals (16) through a network (12). If a network address for the call is included on an approved list (46), a secure call setup procedure (54) is performed automatically. One terminal (16) automatically sends an auto-secure signal. If the other terminal detects the auto-secure signal, secure call setup procedure (54) is performed automatically. The secure call setup procedure (54) determines a current user-identity for the opposing party. If the current user-identity corresponds to a user-identity included on an approved list (76), an abbreviated secure call setup process (80) is performed. If the current user identity is not approved, a full secure call setup process (78) is performed. The abbreviated process (80) differs from the full process (78) in that it uses a traffic key obtained from a prior secure communication session and may be performed more quickly.
Abstract translation: 呼叫通过网络（12）连接在安全终端（16）之间。 如果用于呼叫的网络地址包括在批准列表（46）中，则自动执行安全呼叫建立过程（54）。 一个终端（16）自动发送一个自动安全信号。 如果其他终端检测到自动安全信号，则自动执行安全呼叫建立过程（54）。 安全呼叫建立过程（54）确定对方的当前用户身份。 如果当前用户身份对应于包含在批准列表（76）上的用户身份，则执行简档安全呼叫建立过程（80）。 如果当前用户身份未被批准，则执行完全安全呼叫建立过程（78）。 缩写过程（80）与完整过程（78）不同之处在于它使用从先前的安全通信会话获得的业务密钥，并且可以更快地执行。
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