发明授权
- 专利标题： Method and apparatus of communicating security/encryption information to a physical layer transceiver
- 专利标题（中）： 将安全/加密信息传送到物理层收发器的方法和装置
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申请号： US10676384申请日： 2003-09-30
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公开(公告)号： US07711948B2公开(公告)日： 2010-05-04
- 发明人: Li-Jau Yang , Daniel C. Biederman
- 申请人： Li-Jau Yang , Daniel C. Biederman
- 申请人地址： US CA San Jose
- 专利权人： Cisco Technology, Inc.
- 当前专利权人： Cisco Technology, Inc.
- 当前专利权人地址： US CA San Jose
- 代理机构： Weaver Austin Villeneuve & Sampson LLP
- 主分类号： H04L29/06
- IPC分类号： H04L29/06
摘要：
An apparatus for providing link layer security in a Physical Layer Transceiver (PHY) is disclosed. In one embodiment, the apparatus may comprise analog circuitry configured to interface with a data transmission medium, digital circuitry configured to interface with a Media Access Controller (MAC); and a crypto engine coupled to the digital circuitry. Single interface and multiple interface schemes are provided to control both PHY and crypto functions. Embodiments are disclosed where the PHY controls the crypto device, and where the crypto device controls the PHY.
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