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    • 10. 发明授权
    • Method for inserting a service key in a terminal and devices for implementing said method
    • 用于在终端中插入服务密钥的方法和用于实现所述方法的设备
    • US06611194B1
    • 2003-08-26
    • US09380791
    • 1999-10-21
    • Stefan ViewegMatthias JungemannMaik SchmidtMichael Thoenissen
    • Stefan ViewegMatthias JungemannMaik SchmidtMichael Thoenissen
    • G06F704
    • H04L9/083H04L2209/80
    • A secure and efficient key management system for utilizing a service key for retrieving service data transmitted to a terminal from a service center via a communication channel. A service key is inserted into a terminal and is used to enable the decryption of the received encrypted service data from the service center. The service center requests and obtains a coding key from a trust center when the service center receives a service key transmission request from the from the terminal. The service key transmission request includes a terminal identity number. The service center forwards the request to the trust center which returns the coding key associated with a decoding key corresponding to the specific terminal. The service center encrypts the service key with the coding key and transmits the service key to the terminal. The service key is decrypted in the terminal using the decoding key input to the terminal by the terminal manufacturer. Once the service key has been decrypted, the service data can correspondingly be decrypted to use by the terminal user.
    • 一种安全有效的密钥管理系统,用于利用服务密钥从服务中心经由通信信道检索从终端发送的业务数据。 将服务密钥插入到终端中,并且用于使得能够从服务中心解密所接收的加密服务数据。 当服务中心从终端接收到服务密钥传输请求时,服务中心从信任中心请求并获取编码密钥。 服务密钥传输请求包括终端身份号码。 服务中心将请求转发到信任中心,信任中心返回与特定终端对应的解码密钥相关联的编码密钥。 服务中心用编码密钥加密服务密钥,并将服务密钥发送到终端。 使用由终端制造商向终端输入的解码密钥在终端中解密服务密钥。 一旦服务密钥被解密,服务数据可以相应地被解密以供终端用户使用。