Abstract
The homomorphic property of the El Gamal cryptosystem is useful in the construction of efficient protocols. It is believed that only a small class of transformations of cryptotexts are feasible to compute. In the program of showing that these are the only computable transformations we rule out a large set of natural transformations.
Access this chapter
Tax calculation will be finalised at checkout
Purchases are for personal use only
Preview
Unable to display preview. Download preview PDF.
Similar content being viewed by others
References
Dan Boneh, The Decision Di.e-Hellman Problem, Proceedings of the Third Algorithmic Number Theory Symposium, Lecture Notes in Computer Science 1423, pp. 48–63, Springer-Verlag, 1998.
Taher El Gamal, A Public Key Cryptosystem and a Signiture Scheme Based on Discrete Logarithms, IEEE Transactions on Information Theory 31, pp. 469–472, 1985.
Shafi Goldwasser, Silvio Micali, Probabilistic Encryption, Journal of Computer Science 28, pp. 270–299, 1984.
Yiannis Tsiounis, Moti Yung, On the Security of El Gamal based Encryption, International workshop on Public Key Cryptography, Lecture Notes in Computer Science 1431, pp. 117–134, Springer-Verlag, 1998.
Author information
Authors and Affiliations
Editor information
Editors and Affiliations
Rights and permissions
Copyright information
© 2002 Springer-Verlag Berlin Heidelberg
About this paper
Cite this paper
Wikström, D. (2002). A Note on the Malleability of the El Gamal Cryptosystem. In: Menezes, A., Sarkar, P. (eds) Progress in Cryptology — INDOCRYPT 2002. INDOCRYPT 2002. Lecture Notes in Computer Science, vol 2551. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-36231-2_15
Download citation
DOI: https://doi.org/10.1007/3-540-36231-2_15
Published:
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-00263-5
Online ISBN: 978-3-540-36231-9
eBook Packages: Springer Book Archive