A Pri­va­cy-Pro­tec­ting Mul­ti-Cou­pon Sche­me with Stron­ger Pro­tec­tion against Split­ting

Ah­mad-Re­za Sa­de­ghi, Hans Löhr, Liqun Chen, Mark Ma­nu­lis, Al­ber­to Esca­lan­te

11th In­ter­na­tio­nal Con­fe­rence on Fi­nan­ci­al Cryp­to­gra­phy and Data Se­cu­ri­ty (FC 2007), Sc­ar­bo­rough, Tri­ni­dad and To­ba­go, Fe­bru­ary 12-16, 2007. Re­vi­sed Selec­ted Pa­pers, vo­lu­me 4886 of Lec­tu­re Notes on Com­pu­ter Si­ence (LNCS), pages 29-44. Sprin­ger Ver­lag, 2007.

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