NDLI: Generating visible RSA public keys for PKI

Content Provider	Springer Nature Link
Author	Laih, C.S. Chen, K.Y.
Copyright Year	2004
Abstract	In this paper, we propose the general procedures for generating a visible RSA public key for overcoming the drawback of people (without cryptographic background) not understanding what is meant by “public key”. Instead of generating a randomlike public key, a visible public key system allows the user to use a predefined image (e.g., picture, photo, signet, or handwriting signature) as his/her visible public key such that other users can decode the image as the receiver’s/signer’s public key directly for encrypting a message or verifying a signature. Of course, our procedures can also be applied to a predefined sound and/or video to generate an audible or audio-visual public key. Two algorithms for generating visible RSA public keys based on generating RSA moduli with a predetermined portion are proposed. One is suitable for the environment where all users use a common exponent, and the other is for different exponents. The constructions are almost as efficient as the generation of RSA moduli with a predetermined portion. The quality of the resulting visible public keys is almost the same as the original image, without compromising security. Experimental results show that the size and quality of visible public keys can be accepted by human eyes for practical applications.
Starting Page	103
Ending Page	109
Page Count	7
File Format	PDF
ISSN	16155262
Journal	International Journal of Information Security
Volume Number	2
Issue Number	2
e-ISSN	16155270
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2004-01-01
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	RSA Integer factorization Certificate Public key generation Data Encryption Computer Communication Networks Operating Systems Coding and Information Theory Management of Computing and Information Systems Communications Engineering, Networks
Content Type	Text
Resource Type	Article
Subject	Computer Networks and Communications Information Systems Safety, Risk, Reliability and Quality Software

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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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