module ietf-schc-coap-kudos {
  yang-version 1.1;
  namespace "urn:ietf:params:xml:ns:yang:ietf-schc-coap-kudos";
  prefix schc-coap-kudos;

  import ietf-schc {
      prefix schc;
  }

  organization
    "IETF Constrained RESTful Environments (core) Working Group";
  contact
    "WG Web:   <https://datatracker.ietf.org/wg/core/about/>
     WG List:  <mailto:core@ietf.org>
     Editor:   Marco Tiloca
       <mailto:marco.tiloca@ri.se>";
  description
    "Copyright (c) 2021 IETF Trust and the persons identified as
     authors of the code.  All rights reserved.
     Redistribution and use in source and binary forms, with or
     without modification, is permitted pursuant to, and subject to
     the license terms contained in, the Simplified BSD License set
     forth in Section 4.c of the IETF Trust's Legal Provisions
     Relating to IETF Documents
     (https://trustee.ietf.org/license-info).
     This version of this YANG module is part of RFC XXXX
     (https://www.rfc-editor.org/info/rfcXXXX); see the RFC itself
     for full legal notices.
     The key words 'MUST', 'MUST NOT', 'REQUIRED', 'SHALL', 'SHALL
     NOT', 'SHOULD', 'SHOULD NOT', 'RECOMMENDED', 'NOT RECOMMENDED',
     'MAY', and 'OPTIONAL' in this document are to be interpreted as
     described in BCP 14 (RFC 2119) (RFC 8174) when, and only when,
     they appear in all capitals, as shown here.
     ****************************************************************

     This module extends the ietf-schc module defined in RFC 9363 to
     include the extended format of the CoAP OSCORE option for using
     Key Update for OSCORE (KUDOS), as defined in RFC YYYY.";

  revision 2026-03-02 {
    description
      "Extended OSCORE fields for Key Update for OSCORE (KUDOS).";
    reference
      "RFC YYYY Key Update for OSCORE (KUDOS)
                (see Sections 4.1 and 5)";
  }

  // Field ID

  identity fid-coap-option-oscore-x {
       base "schc:fid-coap-option";
       description
         "CoAP option OSCORE x field.";
       reference
         "RFC YYYY Key Update for OSCORE (KUDOS)
                   (see Sections 4.1 and 5)";
  }

  identity fid-coap-option-oscore-nonce {
       base "schc:fid-coap-option";
       description
         "CoAP option OSCORE nonce field.";
       reference
         "RFC YYYY Key Update for OSCORE (KUDOS)
                   (see Sections 4.1 and 5)";
  }

  // Function Length

  identity fl-oscore-oscore-nonce-length {
       base "schc:fl-base-type";
       description
         "Size in bytes of the OSCORE nonce corresponding to m+1.";
       reference
         "RFC YYYY Key Update for OSCORE (KUDOS) (see Section 5)";
  }
}