1. Asokan N, Shoup V, Waidner M (1998) Optimistic fair exchange of digital signatures. In: Advances in cryptology (EUROCRYPT-98), vol 1403. Springer-Verlag, pp 591–606
2. Cheung S, Leung H, Wang C (2004) A commutative encrypted protocol for the privacy protection of watermarks in digital contents. In: 37th Hawaii international conference on system sciences
3. Cox I, Miller M, Bloom J (2001) Digital watermarking principles and practice. The Morgan Kaufman Series in Multimedia and Information Systems
4. Daemen J, Rijmen V (2002) The design of Rijndael. Information security and cryptography. Springer
5. Datta K, Sengupta I (2009) A robust encrypted audio watermarking scheme using discrete wavelet transformation. In: Proceedings of 13th world multi conference on systemics, cybernetics, informatics (WMSCI 2009), pp 423–425