Title :
An ElGamal-like cryptosystem for enciphering large messages
Author :
Hwang, Min-Shiang ; Chang, Chin-Chen ; Hwang, Kuo-Feng
Author_Institution :
Dept. of Inf. Manage., Chaoyang Univ. of Technol., Taichung, Taiwan
Abstract :
In practice, we usually require two cryptosystems, an asymmetric one and a symmetric one, to encrypt a large confidential message. The asymmetric cryptosystem is used to deliver secret key SK, while the symmetric cryptosystem is used to encrypt a large confidential message with the secret key SK. In this article, we propose a simple cryptosystem which allows a large confidential message to be encrypted efficiently. Our scheme is based on the Diffie-Hellman distribution scheme, together with the ElGamal cryptosystem
Keywords :
public key cryptography; random number generation; Diffie-Hellman distribution; ElGamal cryptosystem; cryptography; data security; message encryption; public key; random number generation; secret key; Cryptography;
Journal_Title :
Knowledge and Data Engineering, IEEE Transactions on
