@misc{cryptoeprint:2005:237, author = {Henri Gilbert and Matt Robshaw and Herve Sibert}, title = {An Active Attack Against HB+ - A Provably Secure Lightweight Authentication Protocol}, howpublished = {Cryptology ePrint Archive, Report 2005/237}, year = {2005}, url = {http://eprint.iacr.org/2005/237}, }