NDLI: Tamper-Evident Digital Signature Protecting Certification Authorities Against Malware

Content Provider	IEEE Xplore Digital Library
Author	Jong Youl Choi Golle, P. Jakobsson, M.
Copyright Year	2006
Description	Author affiliation: Dept. or Comput. Sci., Indiana Univ., Bloomington, IN (Jong Youl Choi)
Abstract	We introduce the notion of tamper-evidence for digital signature generation in order to defend against attacks aimed at covertly leaking secret information held by corrupted signing nodes. This is achieved by letting observers (which need not be trusted) verify the absence of covert channels by means of techniques we introduce herein. We call our signature schemes tamper-evident since any deviation from the protocol is immediately detectable. We demonstrate our technique for the RSA-PSS (known as RSA's probabilistic signature scheme) and DSA signature schemes and show how the same technique can be applied to the Schnorr and Feige-Fiat-Shamir (FFS) signature schemes. Our technique does not modify the distribution of the generated signature transcripts, and has only a minimal overhead in terms of computation, communication, and storage
Starting Page	37
Ending Page	44
File Size	224640
Page Count	8
File Format	PDF
ISBN	0769525393
DOI	10.1109/DASC.2006.46
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-09-29
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Computer science Protocols Public key Concatenated codes Cryptography Protection Informatics Distributed computing Digital signatures Certification
Content Type	Text
Resource Type	Article

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