Title: Signcryption based on elliptic curve and its multi-party schemes
Abstract: A new signcryption based on elliptic curve cryptosystems that combines ECDSA and PSCE-1 is presented. The signcryption scheme is a publicly verifiable scheme which can be verified by the third party after the specific recipient removes his key information. Analysis shows that the proposed scheme is secure against the adaptive chosen ciphertext attack. The signcryption saves the communication cost at least 1.25 times and enhances computation cost 1.19 times over ECDSA-then-PSCE-1. Compared with other signcryption schemes, such as Y. Zheng's ECSCS, the new signcryption uses a uniform elliptic curve cryptosystem platform instead of four kinds of cryptosystem components: hash function, keyed hash function, symmetric cipher and elliptic curve. While keeping high security and efficiency, the scheme can be implemented in software and hardware at low price because of above advantages. Based on the presented signcryption, a broadcast scheme for multiple recipients and a threshold scheme with Key Distributed Generation for multiple senders are also proposed.
Publication Year: 2004
Publication Date: 2004-11-14
Language: en
Type: article
Indexed In: ['crossref']
Access and Citation
Cited By Count: 26
AI Researcher Chatbot
Get quick answers to your questions about the article from our AI researcher chatbot