Support the "PPID".

[daisukenishino]

Requirement

Pairwise Pseudonymous Identifier (PPID)

• Implement PPID to OIDC and SAML.
• Check the implementation of AccountController.IDFederationRedirectEndPoint.

reference

• PPID - マイクロソフト系技術情報 Wiki
  https://techinfoofmicrosofttech.osscons.jp/index.php?PPID

[daisukenishino2]

Implementation

Discovery and Registration

Method of calculation