@misc{cryptoeprint:2012:380, author = {Ioana Boureanu and Serge Vaudenay}, title = {Several Weak Bit-Commitments Using Seal-Once Tamper-Evident Devices}, howpublished = {Cryptology ePrint Archive, Report 2012/380}, year = {2012}, url = {http://eprint.iacr.org/2012/380}, }