NDLI: Efficient linear filtering of encrypted signals via composite representation

Content Provider	IEEE Xplore Digital Library
Author	Bianchi, T. Piva, A. Barni, M.
Copyright Year	2009
Description	Author affiliation: Dept. Ingegneria dell'Informazione, Università di Siena, Via Roma 56, 53100, Italy (Barni, M.) \|\| Dept. Elettronica e Telecomunicazioni, Università di Firenze, Via S. Marta 3, I-50139, Italy (Bianchi, T.; Piva, A.)
Abstract	Signal processing tools working on encrypted data provide an efficient solution when sensitive signals must be protected from an untrusted processing device. In this paper, we investigate an issue usually neglected in the proposed solutions for secure signal processing, that is the huge size augmentation from the plaintext to the sample-wise encrypted representation of signals, due to the use of cryptosystems operating on very large algebraic structures. A composite signal representation is proposed that allows to speed up linear filtering on encrypted signals via parallel processing and to reduce the size of encrypted signals. A case study is proposed and discussed.
Starting Page	1
Ending Page	6
File Size	240023
Page Count	6
File Format	PDF
ISBN	9781424432974
DOI	10.1109/ICDSP.2009.5201116
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-07-05
Publisher Place	Greece
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Maximum likelihood detection Cryptography Signal processing Signal representations Parallel processing Databases Telecommunications Protection Data security Transcoding Parallel Processing Secure Signal Processing Signal Processing in the Encrypted Domain Signal representation Homomorphic Encryption
Content Type	Text
Resource Type	Article

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