Message Extension Attack against Authenticated Encryptions: Application to PANDA

• Main Authors: Sasaki, Yu, Wang, Lei
• Other Authors: Lee Kong Chian School of Medicine (LKCMedicine)
• Format: Article
• Language: English
• Published: 2016
• Subjects: Message extension attack; Internal state recovery; CAESAR; PANDA; Existential forgery; Nonce misuse
• Online Access: https://hdl.handle.net/10356/82092; http://hdl.handle.net/10220/39785
• Institution: Nanyang Technological University

We present a new cryptanalysis approach to analyze the security of a class of authenticated encryption schemes, which shares similarity with the previous length extension attack against hash-function-based MACs. Hence we name our approach by message extension attack. For an authenticated encryption...