@misc{cryptoeprint:2017:638, author = {Fuyuki Kitagawa and Ryo Nishimaki and Keisuke Tanaka}, title = {From Single-Key to Collusion-Resistant Secret-Key Functional Encryption by Leveraging Succinctness}, howpublished = {Cryptology ePrint Archive, Report 2017/638}, year = {2017}, url = {https://eprint.iacr.org/2017/638}, }