发明公开
EP2074740A2 A METHOD AND SYSTEM FOR ENHANCING CRYPTOGRAPHIC CAPABILITIES OF A WIRELESS DEVICE USING BROADCASTED RANDOM NOISE
有权
为便于扩展CRYPTO GRAPHIC技能无线设备使用方法及系统的辐射与随机噪声
- 专利标题: A METHOD AND SYSTEM FOR ENHANCING CRYPTOGRAPHIC CAPABILITIES OF A WIRELESS DEVICE USING BROADCASTED RANDOM NOISE
- 专利标题(中): 为便于扩展CRYPTO GRAPHIC技能无线设备使用方法及系统的辐射与随机噪声
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申请号: EP07873446.4申请日: 2007-10-12
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公开(公告)号: EP2074740A2公开(公告)日: 2009-07-01
- 发明人: REZNIK, Alexander , BRIANCON, Alain Charles, Louis , DODIS, Yevgeniy , SHAH, Yogendra, C. , YE, Chunxuan , DIFAZIO, Robert, A. , CHA, Inhyok
- 申请人: INTERDIGITAL TECHNOLOGY CORPORATION
- 申请人地址: 3411 Silverside Road, Concord Plaza Suite 105 Hagley Building Wilmington, DE 19810 US
- 专利权人: INTERDIGITAL TECHNOLOGY CORPORATION
- 当前专利权人: INTERDIGITAL TECHNOLOGY CORPORATION
- 当前专利权人地址: 3411 Silverside Road, Concord Plaza Suite 105 Hagley Building Wilmington, DE 19810 US
- 代理机构: Johansson, Magnus
- 优先权: US829198P 20061012
- 国际公布: WO2008118136 20081002
- 主分类号: H04L9/08
- IPC分类号: H04L9/08 ; H04L9/18
摘要:
A secret stream of bits begins by receiving a public random stream contained in a wireless communication signal at a transmit/receive unit. The public random stream is sampled and specific bits are extracted according to a shared common secret. These extracted bits are used to create a longer secret stream. The shared common secret may be generated using JRNSO techniques, or provided to the transmit/receive units prior to the communication session. Alternatively, one of the transmit/receive unit is assumed to be more powerful than any potential eavesdropper. In this situation, the powerful transmit/receive unit may broadcast and store a public random stream. The weaker transmit/receive unit selects select random bits of the broadcast for creating a key. The weaker transmit/receive unit sends the powerful transmit/receive unit the selected bit numbers, and powerful transmit/receive unit uses the random numbers to produce the key created by the weaker transmit/receive unit.
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