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Paper Abstract and Keywords
Presentation 2013-03-07 13:30
Information hiding for QR-code using Wet Paper Code
Michiharu Niimi, Hideki Noda (Kyushu Inst. of Tech.) EMM2012-107
Abstract (in Japanese) (See Japanese page) 
(in English) The matrix barcodes known as Quick Response
(QR) codes, which are enable us to import printed digital information
into smartphone or cell phone through its digital camera easily, are rapidly becoming widespread
not only Japan but also Asia, Europe and America.
Without typing long characters by hands, a URL of desired site is read
in smartphone only pressing buttons in a few times.
However, an attacker is easily able to lead malcious websites by putting
a unautheticated QR code on a authenticated QR code.
We study the tamper detection, which is performed by digital signature
system based on public key cryptography, of QR code.
In digital signature system, a hash value of a message is calculated firstly, and
then the hash value is encrypted by a secret key which is a pair of public
key cryptography system. Then, a sender sends the message and the encrypted hash
value to a receiver. In the receiver side, the hash value of a sent message
is calculated and the hash value with encrypted is decrypted using a public
key which is a pair of public key cryptography system. The receiver can
detect modification of the message by comparing the two hash values. In
this situation, the problem is how the encrypted hash value is carryed
with QR code. In this paper, we use Wet Paper code to carry it on QR
code. We invesitigated the feasibility of our idea in the experiments, and confirmed that the information hiding based on Wet Paper code to QR
code can be realised when we provide an image processing technique to
read cell informaion of QR code with high accuracy.
Keyword (in Japanese) (See Japanese page) 
(in English) QR code / Wet Paper code / Digital signature / Tamper detection / / / /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 467, EMM2012-107, pp. 1-6, March 2013.
Paper # EMM2012-107 
Date of Issue 2013-02-28 (EMM) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
reproduction
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF EMM2012-107

Conference Information
Committee EMM  
Conference Date 2013-03-07 - 2013-03-08 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To EMM 
Conference Code 2013-03-EMM 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Information hiding for QR-code using Wet Paper Code 
Sub Title (in English)  
Keyword(1) QR code  
Keyword(2) Wet Paper code  
Keyword(3) Digital signature  
Keyword(4) Tamper detection  
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Keyword(8)  
1st Author's Name Michiharu Niimi  
1st Author's Affiliation Kyushu Institute of Technology (Kyushu Inst. of Tech.)
2nd Author's Name Hideki Noda  
2nd Author's Affiliation Kyushu Institute of Technology (Kyushu Inst. of Tech.)
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Speaker Author-1 
Date Time 2013-03-07 13:30:00 
Presentation Time 30 minutes 
Registration for EMM 
Paper # EMM2012-107 
Volume (vol) vol.112 
Number (no) no.467 
Page pp.1-6 
#Pages
Date of Issue 2013-02-28 (EMM) 


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