Cryptanalysis of Mu et al.'s and Li et al.'s Schemes and a Provably Secure ID-Based Broadcast Signcryption (IBBSC) Scheme.

S. Sharmila Deva Selvi, S. Sree Vivek, Ragavendran Gopalakrishnan, Naga Naresh Karuturi, C. Pandu Rangan

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