--- 1/draft-ietf-rats-yang-tpm-charra-15.txt 2022-03-02 11:13:11.415032151 -0800 +++ 2/draft-ietf-rats-yang-tpm-charra-16.txt 2022-03-02 11:13:11.515034698 -0800 @@ -1,30 +1,30 @@ RATS Working Group H. Birkholz Internet-Draft M. Eckel Intended status: Standards Track Fraunhofer SIT -Expires: 1 September 2022 S. Bhandari +Expires: 3 September 2022 S. Bhandari ThoughtSpot E. Voit B. Sulzen Cisco L. Xia Huawei T. Laffey HPE G. Fedorkow Juniper - 28 February 2022 + 2 March 2022 A YANG Data Model for Challenge-Response-based Remote Attestation Procedures using TPMs - draft-ietf-rats-yang-tpm-charra-15 + draft-ietf-rats-yang-tpm-charra-16 Abstract This document defines YANG RPCs and a small number of configuration nodes required to retrieve attestation evidence about integrity measurements from a device, following the operational context defined in TPM-based Network Device Remote Integrity Verification. Complementary measurement logs are also provided by the YANG RPCs, originating from one or more roots of trust for measurement (RTMs). The module defined requires at least one TPM 1.2 or TPM 2.0 as well @@ -42,21 +42,21 @@ Internet-Drafts are working documents of the Internet Engineering Task Force (IETF). Note that other groups may also distribute working documents as Internet-Drafts. The list of current Internet- Drafts is at https://datatracker.ietf.org/drafts/current/. Internet-Drafts are draft documents valid for a maximum of six months and may be updated, replaced, or obsoleted by other documents at any time. It is inappropriate to use Internet-Drafts as reference material or to cite them other than as "work in progress." - This Internet-Draft will expire on 1 September 2022. + This Internet-Draft will expire on 3 September 2022. Copyright Notice Copyright (c) 2022 IETF Trust and the persons identified as the document authors. All rights reserved. This document is subject to BCP 78 and the IETF Trust's Legal Provisions Relating to IETF Documents (https://trustee.ietf.org/ license-info) in effect on the date of publication of this document. Please review these documents carefully, as they describe your rights @@ -65,26 +65,26 @@ described in Section 4.e of the Trust Legal Provisions and are provided without warranty as described in the Revised BSD License. Table of Contents 1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 2 1.1. Requirements notation . . . . . . . . . . . . . . . . . . 3 2. The YANG Module for Basic Remote Attestation Procedures . . . 3 2.1. YANG Modules . . . . . . . . . . . . . . . . . . . . . . 3 2.1.1. 'ietf-tpm-remote-attestation' . . . . . . . . . . . . 4 - 2.1.2. 'ietf-tcg-algs' . . . . . . . . . . . . . . . . . . . 33 + 2.1.2. 'ietf-tcg-algs' . . . . . . . . . . . . . . . . . . . 32 3. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 48 4. Security Considerations . . . . . . . . . . . . . . . . . . . 49 - 5. Change Log . . . . . . . . . . . . . . . . . . . . . . . . . 51 - 6. References . . . . . . . . . . . . . . . . . . . . . . . . . 52 - 6.1. Normative References . . . . . . . . . . . . . . . . . . 52 + 5. Change Log . . . . . . . . . . . . . . . . . . . . . . . . . 50 + 6. References . . . . . . . . . . . . . . . . . . . . . . . . . 51 + 6.1. Normative References . . . . . . . . . . . . . . . . . . 51 6.2. Informative References . . . . . . . . . . . . . . . . . 57 Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 57 1. Introduction This document is based on the general terminology defined in the [I-D.ietf-rats-architecture] and uses the operational context defined in [I-D.ietf-rats-tpm-based-network-device-attest] as well as the interaction model and information elements defined in [I-D.ietf-rats-reference-interaction-models]. The currently @@ -131,22 +131,23 @@ attacks. The method for communicating the relationship of each individual TPM to specific measured component within the Composite Device is out of the scope of this document. 2.1. YANG Modules In this section the several YANG modules are defined. 2.1.1. 'ietf-tpm-remote-attestation' - This YANG module imports modules from [RFC6991], [RFC8348], - [I-D.ietf-netconf-keystore], and ietf-tcg-algs.yang Section 2.1.2.3. + This YANG module imports modules from [RFC6991] with prefix 'yang', + [RFC8348] with prefix 'hw', [I-D.ietf-netconf-keystore] with prefix + 'ks', and 'ietf-tcg-algs.yang' Section 2.1.2.3 with prefix 'taa'. Additionally references are made to [RFC8032], [RFC8017], [RFC6933], [TPM1.2-Commands], [TPM2.0-Arch], [TPM2.0-Structures], [TPM2.0-Key], [TPM1.2-Structures], [bios-log], [ima-log], [BIOS-Log-Event-Type] and [netequip-boot-log]. 2.1.1.1. Features This module supports the following features: * 'TPMs': Indicates that multiple TPMs on the device can support @@ -399,39 +400,29 @@ +--ro node-location? string 2.1.1.6. YANG Module file "ietf-tpm-remote-attestation@2022-02-16.yang" module ietf-tpm-remote-attestation { namespace "urn:ietf:params:xml:ns:yang:ietf-tpm-remote-attestation"; prefix tpm; import ietf-yang-types { prefix yang; - reference - "RFC 6991: Common YANG Data Types."; } import ietf-hardware { prefix hw; - reference - "RFC 8348: A YANG Data Model for Hardware Management."; } import ietf-keystore { prefix ks; - reference - "draft-ietf-netconf-keystore: - A YANG Data Model for a Keystore."; } import ietf-tcg-algs { prefix taa; - reference - "RFC XXXX: A YANG Data Model for Challenge-Response-based - Remote Attestation Procedures using TPMs."; } organization "IETF RATS (Remote ATtestation procedureS) Working Group"; contact "WG Web : WG List : Author : Eric Voit Author : Henk Birkholz Author : Michael Eckel @@ -458,21 +449,21 @@ 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."; - revision 2022-02-16 { + revision 2022-03-02 { description "Initial version"; reference "RFC XXXX: A YANG Data Model for Challenge-Response-based Remote Attestation Procedures using TPMs"; } /*****************/ /* Features */ /*****************/ @@ -2449,23 +2439,23 @@ Birkholz, H., Thaler, D., Richardson, M., Smith, N., and W. Pan, "Remote Attestation Procedures Architecture", Work in Progress, Internet-Draft, draft-ietf-rats-architecture- 15, 8 February 2022, . [I-D.ietf-rats-tpm-based-network-device-attest] Fedorkow, G., Voit, E., and J. Fitzgerald-McKay, "TPM- based Network Device Remote Integrity Verification", Work in Progress, Internet-Draft, draft-ietf-rats-tpm-based- - network-device-attest-12, 23 February 2022, + network-device-attest-13, 1 March 2022, . + based-network-device-attest-13.txt>. [IEEE-Std-1363-2000] "IEEE 1363-2000 - IEEE Standard Specifications for Public- Key Cryptography", n.d., . [IEEE-Std-1363a-2004] "1363a-2004 - IEEE Standard Specifications for Public-Key Cryptography - Amendment 1: Additional Techniques", n.d., .