Dean Rosenzweig Davor Runje Neva Slani Privacy, Abstract Encryption and Protocols: An ASM Model - Part I. 372-390 2003 conf/asm/2003 Abstract State Machines http://link.springer.de/link/service/series/0558/bibs/2589/25890372.htm db/conf/asm/asm2003.html#RosenzweigRS03