@misc{cryptoeprint:2004:020, author = {Yevgeniy Dodis and Michael J. Freedman and Stanislaw Jarecki and Shabsi Walfish}, title = {Optimal Signcryption from Any Trapdoor Permutation}, howpublished = {Cryptology ePrint Archive, Report 2004/020}, year = {2004}, url = {http://eprint.iacr.org/2004/020}, }