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Patent Searching and Data


Title:
TRANSMITTING DEVICE, RECEIVING DEVICE, TRANSMITTING METHOD AND RECEIVING METHOD
Document Type and Number:
WIPO Patent Application WO/2010/026637
Kind Code:
A1
Abstract:
The volume of communication is suppressed in the case where an encrypted data packet is transmitted and received. A transmitting device (1) is provided with an encryption unit (1a) and a transmitting unit (1b). The encryption unit (1a) encrypts each of data packets (3a, 3b) based on a frame number (3c) and a predetermined encryption key. The transmitting unit (1b) transmits a frame (3) including encrypted data packets (3a, 3b). A receiving device (2) is provided with a receiving unit (2a) and a decoding unit (2b). The receiving unit (2a) receives the frame (3). The decoding unit (2b) decodes each of the data packets (3a, 3b) based on a frame number (3c) of the frame (3) and a predetermined decryption key.

Inventors:
OKUDA MASATO (JP)
Application Number:
PCT/JP2008/065977
Publication Date:
March 11, 2010
Filing Date:
September 04, 2008
Export Citation:
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Assignee:
FUJITSU LTD (JP)
OKUDA MASATO (JP)
International Classes:
H04L9/16
Other References:
"IEEE Standard for Information technology - Telecommunications and information exchange between systems - Local and metropolitan area networks - Specific requirements - Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specifications", IEEE STD 802.11-2007, 2007, pages 165 - 185
Attorney, Agent or Firm:
HATTORI, KIYOSHI (JP)
Kiyoshi Hattori (JP)
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