Michaël Trabbia
INRIA, projet CODES
BP 105
78153 Le Chesnay Cedex, France
and
Ecole Polytechnique
91128 Palaiseau Cedex, France
michael.trabbia@enst.fr
In Advances in Cryptology - EUROCRYPT 2000 ,
LNCS, Springer-Verlag, 2000.
To appear.