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    • 33. 发明授权
    • Method and apparatus for identifying and monitoring VoIP media plane security keys for service provider lawful intercept use
    • 用于识别和监控VoIP媒体平面安全密钥的方法和装置,用于服务提供商合法拦截使用
    • US08934609B2
    • 2015-01-13
    • US11425436
    • 2006-06-21
    • Michael Lee
    • Michael Lee
    • H04M1/24H04L29/06H04L12/26
    • H04L63/00H04L43/00H04L63/04H04L63/06H04L63/30H04L63/306H04L65/1083
    • A mechanism is described that enables encrypted end-point communications in a VoIP network to be accessed by a service provider. The mechanism includes a session information retrieval component which gathers session information such as encryption keys for each session that traverses a network element. The encryption keys may be used to decrypt data to make it available for lawful interception. A media stream monitoring component monitors media streams and verifies that the identified keys for each session are valid, to ensure continuity in compliance with LI regulations. Advantageously a security alert component may be used to controls further session operation for those sessions identified as potential security risks. With such an arrangement, the service provider can satisfy the legal requirement to provide interception, verify that the accuracy of the legal interception support and take appropriate steps to handle security risks.
    • 描述了使VoIP网络中的加密端点通信能够被服务提供商访问的机制。 该机制包括会话信息检索部件,其收集会话信息,例如遍历网络元件的每个会话的加密密钥。 加密密钥可用于解密数据,使其可用于合法拦截。 媒体流监视组件监视媒体流,并验证每个会话的已识别密钥是否有效,以确保符合LI规则的连续性。 有利地,可以使用安全警报组件来控制被识别为潜在安全风险的那些会话的进一步会话操作。 通过这样的安排,服务提供商可以满足提供拦截的法律要求,验证法定侦听的准确性,并采取适当的措施来处理安全隐患。