@misc{cryptoeprint:2013:179, author = {Melissa Chase and Markulf Kohlweiss and Anna Lysyanskaya and Sarah Meiklejohn}, title = {Malleable Signatures: Complex Unary Transformations and Delegatable Anonymous Credentials}, howpublished = {Cryptology ePrint Archive, Report 2013/179}, year = {2013}, url = {http://eprint.iacr.org/2013/179}, }