A new signature scheme based on the DSA giving message recovery
CCS '93 Proceedings of the 1st ACM conference on Computer and communications security
Message Recovery for Signature Schemes Based on the Discrete Logarithm Problem
Designs, Codes and Cryptography - Special issue dedicated to Gustavus J. Simmons
Authenticated encryption schemes with linkage between message blocks
Information Processing Letters
A method for obtaining digital signatures and public-key cryptosystems
Communications of the ACM
An ElGamal-Like Cryptosystem for Enciphering Large Messages
IEEE Transactions on Knowledge and Data Engineering
Convertible Undeniable Signatures
CRYPTO '90 Proceedings of the 10th Annual International Cryptology Conference on Advances in Cryptology
Review: Improvements of authenticated encryption schemes with message linkages for message flows
Computers and Electrical Engineering
On the security of two improved authenticated encryption schemes
International Journal of Security and Networks
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Chen (Computers and Electrical Engineering, vol. 30, 2004) illustrated that Tseng et al.'s authenticated encryption schemes, with message linkages for message flows, do not achieve their claimed integrity and authenticity properties. Furthermore, Chen presented some modified schemes to repair these flaws. In this paper, we show that the modified schemes proposed by Chen are not secure. In particular, we present an attack that allows a dishonest referee, in case of a dispute, to decrypt all the future and past authenticated ciphertext between the contended parties. We also present a simple fix to prevent this attack.