@phdthesis{17790,
  author = {Ming-Hsin Chang},
  title = {On Proxy Signatures with Forward-Secure and One-time Properties and their Applications in PKI},
  year = {2005},
  journal = {Department of Computer Science and Information Engineering, College of Electrical Engineering and Computer Science},
  volume = {Doctor of Philosophy in Computer Science and Information Engineering},
  month = {Mar 2005 },
  publisher = {National Chiao Tung University},
  address = {Hsinchu, Taiwan, Republic of China},
}