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Paper Abstract and Keywords
Presentation 2013-06-13 13:00
[Tutorial Lecture] Signal Processing in the Encrypted Domain -- Development of a New Technique for Secure Manipulation of Signals --
Akio Miyazaki (Kyushu Sangyo Univ.) SIS2013-4
Abstract (in Japanese) (See Japanese page) 
(in English) We have established the fundamental techniques for computing with signals that are encrypted or otherwise hidden often referred to as signal processing in the encrypted domain. We have first presented a method of approximate conversion from signal processing operations with real numbers to those with rational numbers such as integers and fractions. It follows from this that we can transform multiplications and summations in the signal processing domain into power operations and multiplications in the encrypted domain, and implement signal processing in the encrypted domain with an additive homomorphic encryption. Using this method, we have proposed an image authentication system in the encrypted domain. The results are considered to play an important role in real-world applications in which cryptography meets signal processing.
Keyword (in Japanese) (See Japanese page) 
(in English) Information Security / Signal Processing / Security Signal Processing / Cryptography / Public Key Cryptosystem / Homomorphic Cryptosystem / Paillier Cryptosystem / Digital Watermark  
Reference Info. IEICE Tech. Rep., vol. 113, no. 78, SIS2013-4, pp. 17-21, June 2013.
Paper # SIS2013-4 
Date of Issue 2013-06-06 (SIS) 
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 SIS2013-4

Conference Information
Committee SIS  
Conference Date 2013-06-13 - 2013-06-14 
Place (in Japanese) (See Japanese page) 
Place (in English) Houzan Hall (Kagoshima) 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To SIS 
Conference Code 2013-06-SIS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Signal Processing in the Encrypted Domain 
Sub Title (in English) Development of a New Technique for Secure Manipulation of Signals 
Keyword(1) Information Security  
Keyword(2) Signal Processing  
Keyword(3) Security Signal Processing  
Keyword(4) Cryptography  
Keyword(5) Public Key Cryptosystem  
Keyword(6) Homomorphic Cryptosystem  
Keyword(7) Paillier Cryptosystem  
Keyword(8) Digital Watermark  
1st Author's Name Akio Miyazaki  
1st Author's Affiliation Kyushu Sangyo University (Kyushu Sangyo Univ.)
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Speaker Author-1 
Date Time 2013-06-13 13:00:00 
Presentation Time 40 minutes 
Registration for SIS 
Paper # SIS2013-4 
Volume (vol) vol.113 
Number (no) no.78 
Page pp.17-21 
#Pages 5 
Date of Issue 2013-06-06 (SIS) 

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