Phone as Personal Identifier Provider

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Full Title

Mobile Device Security: Phone as Personal Identifier Provider (PPIP)


This is an extension of the Phone as Health Care Credential proposal to a broader audience of teams interested in high assurance Authentication.


  • User want to be in control of their own private information.
  • Accessing some material, like user health information, should be well protected from leakage.
  • The common approach to high assurance (IAL2 AAL2) access it to provide a trust and credentialed Identifier Provider that also performs user authentication.
  • All past successful attempts to get users to create and maintain high assurance have been driving by enterprise solutions like technology companies or educational institutions.
  • Consumers have been unwilling to accept the inconvenience of such high assurance solutions.


  • Put the high assurance identifier in the consumer's hand, in their smart phone.
  • They get to have as many identifiers as the want and can select which one to use with which provider.

Mobile Identifier Sources


  • The user feels like, and is, in control of their data sharing.

Next Steps

  • This paper is designed to be a proposal to NIST for a SP 1800-xx document in their series of Cybersecure Infrastructure papers.
  • It is an extension of the Kantara work to provide such a solution for US Healthcare.
  • The following are the 3 parts of a sp 1800 document. We propose an outline of the first part below:
  1. SP 1800-xxA: Executive Summary (PDF)
  2. SP 1800-xxB: Approach, Architecture, and Security Characteristics (PDF)
  3. SP 1800-xxC: How-To Guides (PDF)