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    • 2. 发明申请
    • COMMUNICATION APPARATUS AND COMPUTER PROGRAM PRODUCT
    • 通信设备和计算机程序产品
    • US20130073852A1
    • 2013-03-21
    • US13551352
    • 2012-07-17
    • Yoshihiro OBAMitsuru KandaYasuyuki TanakaSeijiro Yoneyama
    • Yoshihiro OBAMitsuru KandaYasuyuki TanakaSeijiro Yoneyama
    • H04L9/32
    • H04W12/06H04L9/0836H04L9/0866H04L9/3273H04L63/061H04L63/0884H04L63/123H04L63/162H04L67/12H04W12/04H04W12/10
    • According to an embodiment, a communication apparatus establishes communication with an external apparatus through a higher-level device. The communication apparatus includes a main processor and a key generator. The main processor receives a data authentication request including data to be authenticated, a first key specification, and a message authentication algorithm identifier from the higher-level device. The key generator retains a key hierarchy used by an authentication protocol that is used between the higher-level device and the external apparatus, and to generate a first key by use of the key hierarchy and the first key specification. The main processor generates a message authentication code for the data to be authenticated by use of the message authentication algorithm, which is identified by the message authentication algorithm identifier, and the first key, and transmits a data authentication response including the message authentication code to the higher-level device.
    • 根据实施例,通信装置通过较高级别的装置建立与外部装置的通信。 通信装置包括主处理器和密钥发生器。 主处理器从上级设备接收包括要认证的数据的数据认证请求,第一密钥规范和消息认证算法标识符。 密钥生成器保留由上级设备和外部设备之间使用的认证协议使用的密钥层级,并且通过使用密钥层次和第一密钥规范来生成第一密钥。 主处理器通过使用由消息认证算法标识符识别的消息认证算法和第一密钥来生成用于要认证的数据的消息认证码,并将包括消息认证码的数据认证响应发送到 更高级别的设备。
    • 4. 发明授权
    • Communication apparatus and computer program product
    • 通讯设备及电脑程式产品
    • US08627078B2
    • 2014-01-07
    • US13551352
    • 2012-07-17
    • Yoshihiro ObaMitsuru KandaYasuyuki TanakaSeijiro Yoneyama
    • Yoshihiro ObaMitsuru KandaYasuyuki TanakaSeijiro Yoneyama
    • H04L29/06
    • H04W12/06H04L9/0836H04L9/0866H04L9/3273H04L63/061H04L63/0884H04L63/123H04L63/162H04L67/12H04W12/04H04W12/10
    • According to an embodiment, a communication apparatus establishes communication with an external apparatus through a higher-level device. The communication apparatus includes a main processor and a key generator. The main processor receives a data authentication request including data to be authenticated, a first key specification, and a message authentication algorithm identifier from the higher-level device. The key generator retains a key hierarchy used by an authentication protocol that is used between the higher-level device and the external apparatus, and to generate a first key by use of the key hierarchy and the first key specification. The main processor generates a message authentication code for the data to be authenticated by use of the message authentication algorithm, which is identified by the message authentication algorithm identifier, and the first key, and transmits a data authentication response including the message authentication code to the higher-level device.
    • 根据实施例,通信装置通过较高级别的装置建立与外部装置的通信。 通信装置包括主处理器和密钥发生器。 主处理器从上级设备接收包括要认证的数据的数据认证请求,第一密钥规范和消息认证算法标识符。 密钥生成器保留由上级设备和外部设备之间使用的认证协议使用的密钥层级,并且通过使用密钥层次和第一密钥规范来生成第一密钥。 主处理器通过使用由消息认证算法标识符识别的消息认证算法和第一密钥来生成用于要认证的数据的消息认证码,并将包括消息认证码的数据认证响应发送到 更高级别的设备。