CCA2 Attack and Modification of Huang et al .’s Public Key Encryption with Authorized Equality Test

• Main Authors: Lee, Hyung Tae, Ling, San, Seo, Jae Hong, Wang, Huaxiong
• Other Authors: School of Physical and Mathematical Sciences
• Format: Article
• Language: English
• Published: 2017
• Subjects: Public Key Encryption; Authorized Equality Test
• Online Access: https://hdl.handle.net/10356/85122; http://hdl.handle.net/10220/43665
• Institution: Nanyang Technological University

In this article, we identify a flaw in Huang et al.'s public key encryption with authorized equality test (The Computer Journal, 2015). More precisely, we point out that the proof of the indistinguishability under adaptive chosen ciphertext attack (IND-CCA2) security for their scheme has a seri...