PUBLICATION: Policy-based cryptography and applications
© Springer. Personal use of this material is permitted. The definitive version of this paper was published in FC 2005, 9th International Conference on Financial Cryptography and Data Security, 28 February-03 March 2005, Roseau, The Commonwealth of Dominica / Also published in LNCS Volume 3570 and is available at : http://dx.doi.org/10.1007/11507840_7
