Title:
WIRELESS TRANSMITTING DEVICE, WIRELESS RECEIVING DEVICE, WIRELESS TRANSMITTING METHOD, AND WIRELESS RECEIVING METHOD
Document Type and Number:
WIPO Patent Application WO/2019/003375
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a wireless transmitting device, a wireless receiving device, a wireless transmitting method, and a wireless receiving method, whereby encryption and decryption are carried out with higher security. A wireless transmitting device (10) comprises: a common key retaining unit (11) that retains a first common key (K11) and a second common key (K12) paired with the first common key (K11); a speech data acquisition unit (12); a speech encryption unit (13) that uses the first common key (K11) to encrypt speech data (301) and generates speech encryption data (303); an error detection code calculation unit (14) that calculates an error detection code (304) from the speech encryption data 303; an error detection code conversion unit (15) that uses the second common key (K12) to convert the error detection code (304) and generates error detection code conversion data (306); and a transmission unit (16) that wirelessly transmits data containing the speech encryption data (303) and containing the error detection code conversion data (306).
Inventors:
ISHIDA HIDENORI (JP)
Application Number:
PCT/JP2017/023895
Publication Date:
January 03, 2019
Filing Date:
June 29, 2017
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H04L9/14; H03M13/09; H04M3/00; H04W12/02
Domestic Patent References:
| WO2004105308A1 | 2004-12-02 |
Foreign References:
| JP2008172630A | 2008-07-24 | |||
| JP2003298571A | 2003-10-17 | |||
| JP2012028860A | 2012-02-09 |
Other References:
DAISUKE MORIYAMA ET AL.: "Android apure muke no ango riyo no tameno atarhashii kagi kanri oyobi jisso hyoka", 2016 SYMPOSIUM ON CRYPTOLOGY AND INFORMATION SECURITY (SCIS 2016), 1B2-4, January 2016 (2016-01-01), Yokoshu, pages 1 - 7
Attorney, Agent or Firm:
YOSHITAKE Hidetoshi et al. (JP)
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