module ietf-pot-profile {

  yang-version 1;

  namespace "urn:ietf:params:xml:ns:yang:ietf-pot-profile";

  prefix ietf-pot-profile;

  organization "IETF xxx Working Group";

  contact "";

  description "This module contains a collection of YANG
               definitions for proof of transit configuration
               parameters. The model is meant for proof of
               transit and is targeted for communicating the
               POT-profile between a controller and nodes
               participating in proof of transit.";

  revision 2016-06-15 {
    description
      "Initial revision.";
    reference
      "";
  }

  typedef profile-index-range {
    type int32 {
      range "0 .. 1";
    }
    description
      "Range used for the profile index. Currently restricted to
       0 or 1 to identify the odd or even profiles.";
  }

  grouping pot-profile {
    description "A grouping for proof of transit profiles.";
    list pot-profile-list {
      key "pot-profile-index";
      ordered-by user;
      description "A set of pot profiles.";

      leaf pot-profile-index {
        type profile-index-range;
        mandatory true;
        description
          "Proof of transit profile index.";
      }

      leaf prime-number {
        type uint64;
        mandatory true;
        description
          "Prime number used for module math computation";
      }

      leaf secret-share {
        type uint64;
        mandatory true;
        description
          "Share of the secret of polynomial 1 used in computation";
      }

      leaf public-polynomial {
        type uint64;
        mandatory true;
        description
          "Pre evaluated Public polynomial";
      }

      leaf lpc {
        type uint64;
        mandatory true;
        description
          "Lagrange Polynomial Coefficient";
      }

      leaf validator {
        type boolean;
        default "false";
        description
          "True if the node is a verifier node";
      }

      leaf validator-key {
        type uint64;
        description
          "Secret key for validating the path, constant of poly 1";
      }

      leaf bitmask {
        type uint64;
        default 4294967295;
        description
          "Number of bits as mask used in controlling the size of the
           random value generation. 32-bits of mask is default.";
      }
    }
  }

  container pot-profiles {
    description "A group of proof of transit profiles.";

    list pot-profile-set {
      key "pot-profile-name";
      ordered-by user;
      description
        "Set of proof of transit profiles that group parameters
         required to classify and compute proof of transit
         metadata at a node";

      leaf pot-profile-name {
        type string;
        mandatory true;
        description
          "Unique identifier for each proof of transit profile";
      }

      leaf active-profile-index {
        type profile-index-range;
        description
          "Proof of transit profile index that is currently active.
           Will be set in the first hop of the path or chain.
           Other nodes will not use this field.";
      }

      uses pot-profile;
    }
  /*** Container: end ***/
  }
/*** module: end ***/
}