@inproceedings{WaMaAuSu_ACISP13, author = {Yang Wang and Mark Manulis and Man Ho Au and Willy Susilo}, title = {{Relations among Privacy Notions for Signcryption and Key Invisible ``Sign-then-Encrypt''}}, booktitle = {18th Australasian Conference on Information Security and Privacy (ACISP 2013)}, year = {2013}, pages = {187--202}, publisher = {Springer}, series = {LNCS}, volume = {7959}}