Security and privacy system architecture for an e-hospital environment

  • Authors:
  • Kathryn Garson;Carlisle Adams

  • Affiliations:
  • University of Ottawa, Ottawa, Ontario, Canada;University of Ottawa, Ottawa, Ontario, Canada

  • Venue:
  • Proceedings of the 7th symposium on Identity and trust on the Internet
  • Year:
  • 2008

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Abstract

Hospitals are now using electronic medical records and computer applications in order to provide more efficient and thorough care for their patients. The Mobile Emergency Triage system provides doctors with decision support for emergency care by pulling information from a patient's health record and a medical literature database. In order to achieve compliance with privacy legislations PIPEDA and PHIPA, security and privacy measures must be put in place. Encryption and access control are necessary for ensuring proper authorization and confidentiality for patient records. Strong authentication and audit logs are required to ensure access only by those allowed. We discuss differences in security technologies and detail the ones used in our MET system. A new encryption technology called policy-based encryption proves to be quite useful within a health care environment for providing both encryption and access control. We propose an extension to an existing scheme which allows for the use of this cryptography in a hospital setting.