@misc{cryptoeprint:2014:859, author = {SK Hafizul Islam; G. P. Biswas}, title = {Provably secure pairing-free identity-based partially blind signature scheme and its application in online e-cash system}, howpublished = {Cryptology ePrint Archive, Report 2014/859}, year = {2014}, url = {https://eprint.iacr.org/2014/859}, }