Supported by the National Natural Science Foundation of China(No.10501049,90304012); 973 Project(No.2004CB318000)
In an anonymous secret sharing scheme the secret can be reconstructed without knowledge of which participants hold which shares. In this paper some constructions of anonymous secret sharing schemes with 2 thresholds b...
supported by the National Natural Science Foundation of China(Grant Nos.60083002,90304012,2004CB318000).
In this paper the linear multi-secret sharing schemes are studied by using monotone span programs. A relation between computing monotone Boolean functions by using monotone span programs and realizing multi-access str...