@misc{cryptoeprint:2009:044, author = {Dmitry Frumkin and Adi Shamir}, title = {Un-Trusted-HB: Security Vulnerabilities of Trusted-HB}, howpublished = {Cryptology ePrint Archive, Report 2009/044}, year = {2009}, url = {http://eprint.iacr.org/2009/044}, }