@misc{cryptoeprint:2016:780, author = {Mohammmad Hassan Ameri and Javad Mohajeri and Mahmoud Salmasizadeh}, title = {Efficient and Provable Secure Anonymous Hierarchical Identity-based Broadcast Encryption (HIBBE) Scheme without Random Oracle}, howpublished = {Cryptology ePrint Archive, Report 2016/780}, year = {2016}, url = {https://eprint.iacr.org/2016/780}, }