@book{1997-fumy ,title={{Advances in cryptology: EUROCRYPT '97}} ,booktitle={{Advances in cryptology: EUROCRYPT '97}} ,editor={Walter Fumy} ,ISBN={3--540--62975--0} ,publisher={Springer-Verlag} ,address={Berlin} ,series={Lecture Notes in Computer Science} ,volume={1233} ,year={1997} }