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    • 3. 发明授权
    • Derived certificate based on changing identity
    • 基于变化身份的衍生证书
    • US08843740B2
    • 2014-09-23
    • US13310356
    • 2011-12-02
    • Michael Stephen BrownDavid Francis Tapuska
    • Michael Stephen BrownDavid Francis Tapuska
    • H04L29/06H04L9/32
    • H04L9/3268H04L9/3247H04L9/3265H04L63/0823
    • A first device with a changing identity establishes a secure connection with a second device in a network by acting as its own certificate authority. The first device issues itself a self-signed root certificate that binds an identity of the first device to a long-term public key of the first device. The root certificate is digitally signed using a long-term private key, where the long-term public key and the long-term private key form a public/private key pair. The first device provides its root certificate to the second device in any trusted manner. The first device can then create a certificate for one or more short-term identities acquired by the first device and sign the newly-created certificate using the long-term private key. The first device can authenticate itself to the second device by sending the newly-created certificate to the second device.
    • 具有变化的身份的第一个设备通过充当其自己的证书颁发机构来建立与网络中的第二设备的安全连接。 第一个设备发布自身签名的根证书,将第一个设备的标识绑定到第一个设备的长期公钥。 根证书使用长期私钥进行数字签名,其中长期公钥和长期私钥形成公钥/私钥对。 第一个设备以任何可信的方式将其根证书提供给第二个设备。 然后,第一个设备可以为第一个设备获取的一个或多个短期身份创建证书,并使用长期私钥对新创建的证书进行签名。 第一个设备可以通过将新创建的证书发送到第二个设备来认证自己到第二个设备。