Yevgeniy Dodis Michael J. Freedman Stanislaw Jarecki Shabsi Walfish Versatile padding schemes for joint signature and encryption. 344-353 2004 conf/ccs/2004ccs ACM Conference on Computer and Communications Security http://doi.acm.org/10.1145/1030083.1030129 db/conf/ccs/ccs2004p.html#DodisFJW04