@inproceedings{maachaoui:hal-01540888,
  TITLE = {{Multi-level Authentication Based Single Sign-On for IMS Services}},
  AUTHOR = {Maachaoui, M. and Abou El Kalam, Anas and Fraboul, Christian and Ait Ouahman, A.},
  URL = {https://inria.hal.science/hal-01540888},
  NOTE = {Part 2: Work in Progress},
  BOOKTITLE = {{13th International Conference on Communications and Multimedia Security (CMS)}},
  ADDRESS = {Canterbury, United Kingdom},
  EDITOR = {Bart Decker and David W. Chadwick},
  PUBLISHER = {{Springer}},
  SERIES = {Communications and Multimedia Security},
  VOLUME = {LNCS-7394},
  PAGES = {174-187},
  YEAR = {2012},
  MONTH = Sep,
  DOI = {10.1007/978-3-642-32805-3\_14},
  KEYWORDS = {IMS ; SIP ; Service provider ; Single Sign-On (SSO) ; Multi-level- SSO ; SAML ; Authentication},
  PDF = {https://inria.hal.science/hal-01540888/file/978-3-642-32805-3_14_Chapter.pdf},
  HAL_ID = {hal-01540888},
  HAL_VERSION = {v1},
}