NDLI: Symmetric encryption in a simulatable Dolev-Yao style cryptographic library

Content Provider	IEEE Xplore Digital Library
Author	Backes, M. Pfitzmann, B.
Copyright Year	2004
Description	Author affiliation: IBM Zurich Res. Lab, IBM, Switzerland (Backes, M.; Pfitzmann, B.)
Abstract	Recently we showed how to justify a Dolev-Yao type model of cryptography as used in virtually all automated protocol provers under active attacks and in arbitrary protocol environments. The justification was done by defining an ideal system handling Dolev-Yao-style terms and a cryptographic realization with the same user interface, and by showing that the realization is as secure as the ideal system in the sense of reactive simulatability. This definition encompasses arbitrary active attacks and enjoys general composition and property-preservation properties. Security holds in the standard model of cryptography and under standard assumptions of adaptively secure primitives. A major primitive missing in that library so far is symmetric encryption. We show why symmetric encryption is harder to idealize in a way that allows general composition than existing primitives in this library. We discuss several approaches to overcome these problems. For our favorite approach we provide a detailed provably secure idealization of symmetric encryption within the given framework for constructing nested terms.
Sponsorship	IEEE Comput. Soc. Tech. Committee on Security and Privacy
Starting Page	204
Ending Page	218
File Size	476035
Page Count	15
File Format	PDF
ISBN	076952169X
ISSN	10636900
DOI	10.1109/CSFW.2004.1310742
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-06-30
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Cryptography Libraries Cryptographic protocols User interfaces Polynomials Automation Computer security Conferences
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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