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Method and apparatus for generating a cryptosync

A password and password storage technology, applied in the field of telecommunications, can solve the problems of complex password synchronization and generation

Inactive Publication Date: 2010-07-21
QUALCOMM INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These requirements can complicate the generation of counter-only cryptosyncs

Method used

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  • Method and apparatus for generating a cryptosync
  • Method and apparatus for generating a cryptosync
  • Method and apparatus for generating a cryptosync

Examples

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Embodiment Construction

[0022] The technology described in the present invention can be used in various wireless communication networks, for example: Code Division Multiple Access (CDMA) network, Time Division Multiple Access (TDMA) network, Frequency Division Multiple Access (FDMA) network, Orthogonal FDMA (OFDMA) network , single-carrier FDMA (SD-FDMA) network, and the like. The terms "network" and "system" are often used interchangeably. A CDMA network may implement a radio technology such as Universal Terrestrial Radio Access (UTRA), CDMA2000, and so on. UTRA includes Wideband-CDMA (W-CDMA) and Low Chip Rate (LCR). CDMA 2000 covers IS-2000, IS-95 and IS-856 standards. A TDMA network can implement a radio technology such as Global Network for Mobile Communications (GSM). An OFDMA network may implement a radio technology such as Evolved UTRA (E-UTRA), IEEE 802.11, IEEE 802.16, IEEE 802.20, Flash OFDM, and so on. UTRA, E-UTRA and GSM are all part of the Universal Mobile Telecommunications System...

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Abstract

A method and apparatus for generating a cryptosync is disclosed that generates a cryptosync with the desired variability without the overhead in complexity and size of prior cryptosyncs. The cryptosync is generated from a combination of fields including fields relating to the segmentation and reassembly of the data packets at a transmitting terminal and a receiving terminal. The resultant cryptosync does not repeat during the use of a particular security key.

Description

[0001] Claiming Priority Based on 35 U.S.C. §119 [0002] This application for patent claims priority to Provisional Application No. 60 / 956,861, filed August 20, 2007, entitled "CryptosyncDesign," which is assigned to the assignee of this application and is hereby incorporated by reference expressly incorporated herein. technical field [0003] Generally speaking, the present invention relates to the field of telecommunication, and in particular, the present invention relates to utilizing cryptosync (cryptosync) in a wireless network to ensure the security of data transmission. Background technique [0004] Wireless communication systems have been widely deployed providing various types of communication content such as voice, data, and so on. These systems may be multiple-access systems capable of supporting communication with multiple users by sharing available system resources (eg, bandwidth and transmit power). Examples of such multiple access systems include: Code Divi...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04W12/04H04L9/12
CPCH04L63/068H04L9/12H04L63/1441H04W12/04H04W12/02H04W12/12H04L63/0428H04L2209/80H04W12/037H04W12/033H04W12/043H04W12/0471H04W12/122
Inventor R·帕特瓦尔丹F·乌卢皮纳尔P·A·阿加什R·普拉卡什
Owner QUALCOMM INC
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