Publication Type
Conference Proceeding Article
Version
publishedVersion
Publication Date
2-1998
Abstract
Signcryption, first proposed by Zheng, is a cryptographic primitive which combines both the functions of digital signature and public key encryption in a logical single step, and with a computational cost significantly lower than that needed by the traditional signature-then-encryption approach. In Zheng's scheme, the signature verification can be done either by the recipient directly (using his private key) or by engaging a zero-knowledge interative protocol with a third party, without disclosing recipient's private key. In this note, we modify Zheng's scheme so that the recipient's private key is no longer needed in signature verification. The computational cost of the modified scheme is higher than that of Zheng's scheme but lower than that of the signature-then-encryption approach.
Discipline
Information Security
Research Areas
Cybersecurity
Publication
Public Key Crytigraphy: 1st International Workshop on Practice and Theory in Public Key Cryptography: PKC 1998, Yokohama, Japan, February 5-6
First Page
55
Last Page
59
ISBN
9783540646938
Identifier
10.1007/BFb0054014
Publisher
Springer
City or Country
Berlin
Citation
BAO, Feng and DENG, Robert H..
A signcryption scheme with signature directly verifiable by public key. (1998). Public Key Crytigraphy: 1st International Workshop on Practice and Theory in Public Key Cryptography: PKC 1998, Yokohama, Japan, February 5-6. 55-59.
Available at: https://ink.library.smu.edu.sg/sis_research/3886
Creative Commons License
This work is licensed under a Creative Commons Attribution-NonCommercial-No Derivative Works 4.0 International License.
Additional URL
https://doi.org/10.1007/BFb0054014