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<link href="#rfc.toc" rel="Contents">
<link href="#rfc.section.1" rel="Chapter" title="1 Introduction">
<link href="#rfc.section.1.1" rel="Chapter" title="1.1 Requirements Language">
<link href="#rfc.section.2" rel="Chapter" title="2 Test Types and Test Coverage">
<link href="#rfc.section.2.1" rel="Chapter" title="2.1 Test Coverage">
<link href="#rfc.section.2.1.1" rel="Chapter" title="2.1.1 KAS-ECC Requirements Covered">
<link href="#rfc.section.2.1.2" rel="Chapter" title="2.1.2 KAS-ECC Requirements Not Covered">
<link href="#rfc.section.3" rel="Chapter" title="3 Capabilities Registration">
<link href="#rfc.section.3.1" rel="Chapter" title="3.1 Required Prerequisite Algorithms for KAS ECC Validations">
<link href="#rfc.section.3.2" rel="Chapter" title="3.2 KAS ECC Algorithm Capabilities JSON Values">
<link href="#rfc.section.3.3" rel="Chapter" title="3.3 Supported KAS ECC Functions">
<link href="#rfc.section.3.4" rel="Chapter" title="3.4 KAS ECC Schemes">
<link href="#rfc.section.3.4.1" rel="Chapter" title="3.4.1 KAS ECC Scheme Capabilities JSON Values">
<link href="#rfc.section.3.4.2" rel="Chapter" title="3.4.2 Supported KAS ECC Schemes">
<link href="#rfc.section.3.5" rel="Chapter" title="3.5 KAS ECC Modes">
<link href="#rfc.section.3.5.1" rel="Chapter" title="3.5.1 KAS ECC noKdfNoKc">
<link href="#rfc.section.3.5.2" rel="Chapter" title="3.5.2 KAS ECC kdfNoKc">
<link href="#rfc.section.3.5.3" rel="Chapter" title="3.5.3 KAS ECC kdfKc">
<link href="#rfc.section.3.6" rel="Chapter" title="3.6 Parameter Sets">
<link href="#rfc.section.3.6.1" rel="Chapter" title="3.6.1 KAS ECC Parameter Set">
<link href="#rfc.section.3.6.2" rel="Chapter" title="3.6.2 KAS ECC Parameter Set Details">
<link href="#rfc.section.3.7" rel="Chapter" title="3.7 Supported ECC Curves">
<link href="#rfc.section.3.8" rel="Chapter" title="3.8 Supported Hash Algorithm Methods">
<link href="#rfc.section.3.9" rel="Chapter" title="3.9 Supported KAS ECC MAC Options">
<link href="#rfc.section.3.10" rel="Chapter" title="3.10 Supported KAS ECC KDF Options">
<link href="#rfc.section.3.10.1" rel="Chapter" title="3.10.1 Other Information Construction">
<link href="#rfc.section.3.11" rel="Chapter" title="3.11 Supported KAS ECC KC Options">
<link href="#rfc.section.3.12" rel="Chapter" title="3.12 Example KAS ECC Capabilities JSON Object">
<link href="#rfc.section.3.13" rel="Chapter" title="3.13 Example KAS ECC Component Capabilities JSON Object">
<link href="#rfc.section.4" rel="Chapter" title="4 Generation requirements per party per scheme">
<link href="#rfc.section.5" rel="Chapter" title="5 Test Vectors">
<link href="#rfc.section.5.1" rel="Chapter" title="5.1 Test Groups JSON Schema">
<link href="#rfc.section.5.2" rel="Chapter" title="5.2 Test Case JSON Schema">
<link href="#rfc.section.5.3" rel="Chapter" title="5.3 Example Test Vectors JSON Object">
<link href="#rfc.section.5.4" rel="Chapter" title="5.4 Example Test Vectors Component JSON Object">
<link href="#rfc.section.6" rel="Chapter" title="6 Test Vector Responses">
<link href="#rfc.section.6.1" rel="Chapter" title="6.1 Example Test Results JSON Object">
<link href="#rfc.section.6.2" rel="Chapter" title="6.2 Example Test Results Component JSON Object">
<link href="#rfc.section.7" rel="Chapter" title="7 ECC CDH Component Test">
<link href="#rfc.section.7.1" rel="Chapter" title="7.1 ECC CDH Component Capabilities JSON Values">
<link href="#rfc.section.7.1.1" rel="Chapter" title="7.1.1 Example KAS ECC CDH-Component Capabilities JSON Object">
<link href="#rfc.section.7.2" rel="Chapter" title="7.2 ECC CDH Component TestVectors JSON Values">
<link href="#rfc.section.7.2.1" rel="Chapter" title="7.2.1 ECC CDH Component TestGroup JSON Values">
<link href="#rfc.section.7.2.2" rel="Chapter" title="7.2.2 ECC CDH Component TestCase JSON Values">
<link href="#rfc.section.7.2.3" rel="Chapter" title="7.2.3 Example KAS ECC CDH-Component Test Vectors JSON Object">
<link href="#rfc.section.7.3" rel="Chapter" title="7.3 KAS CDH-Component Test Vector Responses">
<link href="#rfc.section.7.4" rel="Chapter" title="7.4 Example KAS ECC CDH Component Test Results JSON Object">
<link href="#rfc.section.8" rel="Chapter" title="8 Acknowledgements">
<link href="#rfc.section.9" rel="Chapter" title="9 IANA Considerations">
<link href="#rfc.section.10" rel="Chapter" title="10 Security Considerations">
<link href="#rfc.references" rel="Chapter" title="11 Normative References">
<link href="#rfc.authors" rel="Chapter">
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<link rel="schema.dct" href="http://purl.org/dc/terms/" />
<meta name="dct.creator" content="Fussell, B., Ed. and R. Hammett, Ed." />
<meta name="dct.identifier" content="urn:ietf:id:draft-ietf-acvp-subkasecc-1.0" />
<meta name="dct.issued" scheme="ISO8601" content="2018-11-01" />
<meta name="dct.abstract" content="This document defines the JSON schema for using KAS ECC algorithms with the ACVP specification." />
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<table class="header">
<tbody>
<tr>
<td class="left">TBD</td>
<td class="right">B. Fussell, Ed.</td>
</tr>
<tr>
<td class="left">Internet-Draft</td>
<td class="right">Cisco Systems, Inc.</td>
</tr>
<tr>
<td class="left">Intended status: Informational</td>
<td class="right">R. Hammett, Ed.</td>
</tr>
<tr>
<td class="left">Expires: May 5, 2019</td>
<td class="right">G2, Inc.</td>
</tr>
<tr>
<td class="left"></td>
<td class="right">November 1, 2018</td>
</tr>
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<p class="title">ACVP KAS ECC JSON Specification<br />
<span class="filename">draft-ietf-acvp-subkasecc-1.0</span></p>
<h1 id="rfc.abstract"><a href="#rfc.abstract">Abstract</a></h1>
<p>This document defines the JSON schema for using KAS ECC algorithms with the ACVP specification.</p>
<h1 id="rfc.status"><a href="#rfc.status">Status of This Memo</a></h1>
<p>This Internet-Draft is submitted in full conformance with the provisions of BCP 78 and BCP 79.</p>
<p>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/.</p>
<p>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."</p>
<p>This Internet-Draft will expire on May 5, 2019.</p>
<h1 id="rfc.copyrightnotice"><a href="#rfc.copyrightnotice">Copyright Notice</a></h1>
<p>Copyright (c) 2018 IETF Trust and the persons identified as the document authors. All rights reserved.</p>
<p>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 and restrictions with respect to this document. Code Components extracted from this document must include Simplified BSD License text as described in Section 4.e of the Trust Legal Provisions and are provided without warranty as described in the Simplified BSD License.</p>
<hr class="noprint" />
<h1 class="np" id="rfc.toc"><a href="#rfc.toc">Table of Contents</a></h1>
<ul class="toc">
<li>1. <a href="#rfc.section.1">Introduction</a>
</li>
<ul><li>1.1. <a href="#rfc.section.1.1">Requirements Language</a>
</li>
</ul><li>2. <a href="#rfc.section.2">Test Types and Test Coverage</a>
</li>
<ul><li>2.1. <a href="#rfc.section.2.1">Test Coverage</a>
</li>
<ul><li>2.1.1. <a href="#rfc.section.2.1.1">KAS-ECC Requirements Covered</a>
</li>
<li>2.1.2. <a href="#rfc.section.2.1.2">KAS-ECC Requirements Not Covered</a>
</li>
</ul></ul><li>3. <a href="#rfc.section.3">Capabilities Registration</a>
</li>
<ul><li>3.1. <a href="#rfc.section.3.1">Required Prerequisite Algorithms for KAS ECC Validations</a>
</li>
<li>3.2. <a href="#rfc.section.3.2">KAS ECC Algorithm Capabilities JSON Values</a>
</li>
<li>3.3. <a href="#rfc.section.3.3">Supported KAS ECC Functions</a>
</li>
<li>3.4. <a href="#rfc.section.3.4">KAS ECC Schemes</a>
</li>
<ul><li>3.4.1. <a href="#rfc.section.3.4.1">KAS ECC Scheme Capabilities JSON Values</a>
</li>
<li>3.4.2. <a href="#rfc.section.3.4.2">Supported KAS ECC Schemes</a>
</li>
</ul><li>3.5. <a href="#rfc.section.3.5">KAS ECC Modes</a>
</li>
<ul><li>3.5.1. <a href="#rfc.section.3.5.1">KAS ECC noKdfNoKc</a>
</li>
<li>3.5.2. <a href="#rfc.section.3.5.2">KAS ECC kdfNoKc</a>
</li>
<li>3.5.3. <a href="#rfc.section.3.5.3">KAS ECC kdfKc</a>
</li>
</ul><li>3.6. <a href="#rfc.section.3.6">Parameter Sets</a>
</li>
<ul><li>3.6.1. <a href="#rfc.section.3.6.1">KAS ECC Parameter Set</a>
</li>
<li>3.6.2. <a href="#rfc.section.3.6.2">KAS ECC Parameter Set Details</a>
</li>
</ul><li>3.7. <a href="#rfc.section.3.7">Supported ECC Curves</a>
</li>
<li>3.8. <a href="#rfc.section.3.8">Supported Hash Algorithm Methods</a>
</li>
<li>3.9. <a href="#rfc.section.3.9">Supported KAS ECC MAC Options</a>
</li>
<li>3.10. <a href="#rfc.section.3.10">Supported KAS ECC KDF Options</a>
</li>
<ul><li>3.10.1. <a href="#rfc.section.3.10.1">Other Information Construction</a>
</li>
</ul><li>3.11. <a href="#rfc.section.3.11">Supported KAS ECC KC Options</a>
</li>
<li>3.12. <a href="#rfc.section.3.12">Example KAS ECC Capabilities JSON Object</a>
</li>
<li>3.13. <a href="#rfc.section.3.13">Example KAS ECC Component Capabilities JSON Object</a>
</li>
</ul><li>4. <a href="#rfc.section.4">Generation requirements per party per scheme</a>
</li>
<li>5. <a href="#rfc.section.5">Test Vectors</a>
</li>
<ul><li>5.1. <a href="#rfc.section.5.1">Test Groups JSON Schema</a>
</li>
<li>5.2. <a href="#rfc.section.5.2">Test Case JSON Schema</a>
</li>
<li>5.3. <a href="#rfc.section.5.3">Example Test Vectors JSON Object</a>
</li>
<li>5.4. <a href="#rfc.section.5.4">Example Test Vectors Component JSON Object</a>
</li>
</ul><li>6. <a href="#rfc.section.6">Test Vector Responses</a>
</li>
<ul><li>6.1. <a href="#rfc.section.6.1">Example Test Results JSON Object</a>
</li>
<li>6.2. <a href="#rfc.section.6.2">Example Test Results Component JSON Object</a>
</li>
</ul><li>7. <a href="#rfc.section.7">ECC CDH Component Test</a>
</li>
<ul><li>7.1. <a href="#rfc.section.7.1">ECC CDH Component Capabilities JSON Values</a>
</li>
<ul><li>7.1.1. <a href="#rfc.section.7.1.1">Example KAS ECC CDH-Component Capabilities JSON Object</a>
</li>
</ul><li>7.2. <a href="#rfc.section.7.2">ECC CDH Component TestVectors JSON Values</a>
</li>
<ul><li>7.2.1. <a href="#rfc.section.7.2.1">ECC CDH Component TestGroup JSON Values</a>
</li>
<li>7.2.2. <a href="#rfc.section.7.2.2">ECC CDH Component TestCase JSON Values</a>
</li>
<li>7.2.3. <a href="#rfc.section.7.2.3">Example KAS ECC CDH-Component Test Vectors JSON Object</a>
</li>
</ul><li>7.3. <a href="#rfc.section.7.3">KAS CDH-Component Test Vector Responses</a>
</li>
<li>7.4. <a href="#rfc.section.7.4">Example KAS ECC CDH Component Test Results JSON Object</a>
</li>
</ul><li>8. <a href="#rfc.section.8">Acknowledgements</a>
</li>
<li>9. <a href="#rfc.section.9">IANA Considerations</a>
</li>
<li>10. <a href="#rfc.section.10">Security Considerations</a>
</li>
<li>11. <a href="#rfc.references">Normative References</a>
</li>
<li><a href="#rfc.authors">Authors' Addresses</a>
</li>
</ul>
<h1 id="rfc.section.1">
<a href="#rfc.section.1">1.</a> Introduction</h1>
<p id="rfc.section.1.p.1">The Automated Crypto Validation Protocol (ACVP) defines a mechanism to automatically verify the cryptographic implementation of a software or hardware crypto module. The ACVP specification defines how a crypto module communicates with an ACVP server, including crypto capabilities negotiation, session management, authentication, vector processing and more. The ACVP specification does not define algorithm specific JSON constructs for performing the crypto validation. A series of ACVP sub-specifications define the constructs for testing individual crypto algorithms. Each sub-specification addresses a specific class of crypto algorithms. This sub-specification defines the JSON constructs for testing KAS ECC algorithms using ACVP.</p>
<h1 id="rfc.section.1.1">
<a href="#rfc.section.1.1">1.1.</a> Requirements Language</h1>
<p id="rfc.section.1.1.p.1">The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this document are to be interpreted in <a href="#RFC2119" class="xref">RFC 2119</a>. </p>
<h1 id="rfc.section.2">
<a href="#rfc.section.2">2.</a> <a href="#test_types" id="test_types">Test Types and Test Coverage</a>
</h1>
<p id="rfc.section.2.p.1">The ACVP server performs a set of tests on the KAS protocol in order to assess the correctness and robustness of the implementation. A typical ACVP validation session SHALL require multiple tests to be performed for every supported permutation of KAS capabilities. This section describes the design of the tests used to validate implementations of KAS algorithms. There are two test types for KAS testing: </p>
<ul class="empty">
<li>"AFT" - Algorithm Function Test. In the AFT test mode, the IUT SHALL act as a party in the Key Agreement with the ACVP server. The server SHALL generate and provide all necessary information for the IUT to perform a successful key agreement; both the server and IUT MAY act as party U/V, as well as recipient/provider to key confirmation.</li>
<li>"VAL" - Validation test. In the VAL test mode, The ACVP server MUST generate a complete (from both party U and party V's perspectives) key agreement, and expects the IUT to be able to determine if that agreement is valid. Various types of errors MSUT be introduced in varying portions of the key agreement process (changed DKM, changed key, changed hash digest, etc), that the IUT MUST be able to detect and report on.</li>
</ul>
<p> </p>
<h1 id="rfc.section.2.1">
<a href="#rfc.section.2.1">2.1.</a> <a href="#test_coverage" id="test_coverage">Test Coverage</a>
</h1>
<p id="rfc.section.2.1.p.1">The tests described in this document have the intention of ensuring an implementation is conformant to <a href="#SP800-56a" class="xref">[SP800-56a]</a>. </p>
<h1 id="rfc.section.2.1.1">
<a href="#rfc.section.2.1.1">2.1.1.</a> <a href="#requirements_covered_kas_ecc" id="requirements_covered_kas_ecc">KAS-ECC Requirements Covered</a>
</h1>
<p></p>
<ul class="empty">
<li>SP 800-56a - 4.1 Key Establishment Preparations. The ACVP server is responsible for generating domain parameters as per the IUT's capability registration.</li>
<li>SP 800-56a - 4.2 Key-Agreement Process. Both the ACVP server and IUT participate in the Key Agreement process. The server and IUT can both take the roles of party U/V, and as such the "performer" of steps depicted in "Figure 2: Key Agreement process" can vary.</li>
<li>SP 800-56a - 5.1 Cryptographic Hash Functions. All modes of performing KAS SHALL make use of a hash function. The hash function MAY be used for confirmation of a successfully generated shared secret Z (noKdfNoKc), or as a primitive within the KDF being tested (kdfNoKc and kdfKc).</li>
<li>SP 800-56a - 5.2 Message Authentication Code (MAC) Algorithm. A MAC is utilized for confirmation of success for kdfNoKc and kdfKc modes of KAS. Note - a MAC prerequisite is REQUIRED only for kdfKc, though is utilized for both kdfNoKc and kdfKc.</li>
<li>SP 800-56a - 5.4 Nonce. Nonces are made use of in various KAS schemes - both the ACVP server and IUT SHALL be expected to generate nonces.</li>
<li>SP 800-56a - 5.6 Domain Parameters. Domain Parameter Generation SHALL be performed solely from the ACVP server, with constraints from the IUTs capabilities registration. The same set of domain parameters SHALL generate all keypairs (party U/V, static/ephemeral) for a single test case.</li>
<li>SP 800-56a - 5.6 Key-Pair Generation. While Key-Pairs are used in each KAS scheme, the generation of said key-pairs is out of scope for KAS testing. Random tests from the VAL groups, MAY inject bad keypairs that the IUT MUST be able detect. These random tests are only present in groups given appropriate assurance functions see: <a href="#supported_functions" class="xref">Section 3.3</a> </li>
<li>SP 800-56a - 4.3 DLC-based Key-Transport Process / 5.7 DLC Primitives. Depending on the scheme used, either Diffie Hellman or MQV SHALL be used to negotiate a shared secret of z. Testing and validation of such key exchanges is covered under their respective schemes.</li>
<li>SP 800-56a - 5.8 Key-Derivation Methods for Key-Agreement Schemes. All schemes/modes save noKdfNoKc (component) MUST make use of a KDF. KDF construction SHALL utilize <a href="#oiPatternConstruction" class="xref">Section 3.10.1</a> for its pattern. </li>
<li>SP 800-56a - 5.9 Key Confirmation. Most KAS schemes allow for a Key Confirmation process, the ACVP server and IUT MAY be Providers or Recipients of said confirmation. Additionally, key confirmation MAY be performed on one or both parties (depending on scheme).</li>
<li>SP 800-56a - 6 Key Agreement Schemes. All schemes specified in referenced document are supported for validation with the ACVP server.</li>
</ul>
<p> </p>
<h1 id="rfc.section.2.1.2">
<a href="#rfc.section.2.1.2">2.1.2.</a> <a href="#requirements_not_covered_kas_ecc" id="requirements_not_covered_kas_ecc">KAS-ECC Requirements Not Covered</a>
</h1>
<p></p>
<ul class="empty">
<li>SP 800-56a - 4.1 Key Establishment Preparations. The ACVP server SHALL NOT make a distinction between IUT generated keys via a trusted third party and the IUT itself.</li>
<li>SP 800-56a - 5.3 Random Number Generation. The IUT MUST perform all random number generation with a validated random number generator. A DRBG is REQUIRED as a prerequisite to KAS, but SHALL NOT be in the scope testing assurances. </li>
<li>SP 800-56a - 5.4 Nonce. Nonce generation is utilized for several schemes. The various methods of generating a nonce described in section 5.5 MUST be used, however their generation SHALL NOT be in scope of KAS testing assurances</li>
<li>SP 800-56a - 5.5.2 Assurances of Domain-Parameter Validity. The ACVP server SHALL generate all domain parameters, IUT validation of such parameters is SHALL NOT be in scope for KAS testing.</li>
<li>SP 800-56a - 5.5.3 Domain Parameter Management. Domain Parameter Management SHALL NOT be in scope for KAS testing.</li>
<li>SP 800-56a - 5.6 Key-Pair Generation. While Key-Pairs MUST be used in each KAS scheme, the generation, assurances, and management of said key-pairs SHALL NOT be in scope of KAS testing.</li>
<li>SP 800-56a - 5.8 Key-Derivation Methods for Key-Agreement Schemes. Two-step Key-Derivation (Extraction-then-Expansion) SHALL NOT be utilized in KAS testing.</li>
<li>SP 800-56a - 5.9 Key Confirmation. KMAC is referenced in 800-56a as being a valid MAC function; it however SHALL NOT (currently) be supported in KAS testing.</li>
<li>SP 800-56a - 5.7 Rationale for Selecting a Specific Scheme. It is expected that the IUT registers all schemes it supports in its capabilities registration. Selecting specific schemes from a KAS testing perspective SHALL NOT be in scope.</li>
<li>SP 800-56a - 8 Key Recovery. Key Recovery SHALL NOT be in scope of KAS testing.</li>
</ul>
<p> </p>
<h1 id="rfc.section.3">
<a href="#rfc.section.3">3.</a> <a href="#caps_reg" id="caps_reg">Capabilities Registration</a>
</h1>
<p id="rfc.section.3.p.1">ACVP REQUIRES crypto modules to register their capabilities. This allows the crypto module to advertise support for specific algorithms, notifying the ACVP server which algorithms need test vectors generated for the validation process. This section describes the constructs for advertising support of KAS ECC algorithms to the ACVP server.</p>
<p id="rfc.section.3.p.2">The algorithm capabilities are advertised as JSON objects within the 'algorithms' value of the ACVP registration message. The 'algorithms' value is an array, where each array element is an individual JSON object defined in this section. The 'algorithms' value is part of the 'capability_exchange' element of the ACVP JSON registration message. See the ACVP specification for details on the registration message. Each KDF algorithm capability advertised is a self-contained JSON object.</p>
<h1 id="rfc.section.3.1">
<a href="#rfc.section.3.1">3.1.</a> <a href="#prereq_algs" id="prereq_algs">Required Prerequisite Algorithms for KAS ECC Validations</a>
</h1>
<p id="rfc.section.3.1.p.1">Some algorithm implementations rely on other cryptographic primitives. For example, IKEv2 uses an underlying SHA algorithm. Each of these underlying algorithm primitives must be validated, either separately or as part of the same submission. ACVP provides a mechanism for specifying the required prerequisites:</p>
<div id="rfc.table.1"></div>
<div id="rereqs_table"></div>
<table cellpadding="3" cellspacing="0" class="tt full center">
<caption>Required Prerequisite Algorithms JSON Values</caption>
<thead><tr>
<th class="left">JSON Value</th>
<th class="left">Description</th>
<th class="left">JSON type</th>
<th class="left">Valid Values</th>
<th class="left">Optional</th>
</tr></thead>
<tbody>
<tr>
<td class="left">algorithm</td>
<td class="left">a prerequisite algorithm</td>
<td class="left">value</td>
<td class="left">CCM, CMAC, DRBG, ECDSA, HMAC, SHA</td>
<td class="left">No</td>
</tr>
<tr>
<td class="left"></td>
<td class="left"></td>
<td class="left"></td>
<td class="left"></td>
<td class="left"></td>
</tr>
<tr>
<td class="left">valValue</td>
<td class="left">algorithm validation number</td>
<td class="left">value</td>
<td class="left">actual number or "same"</td>
<td class="left">No</td>
</tr>
<tr>
<td class="left"></td>
<td class="left"></td>
<td class="left"></td>
<td class="left"></td>
<td class="left"></td>
</tr>
<tr>
<td class="left">prereqAlgVal</td>
<td class="left">prerequistie algorithm validation</td>
<td class="left">object with algorithm and valValue properties</td>
<td class="left">see above</td>
<td class="left">Yes</td>
</tr>
<tr>
<td class="left"></td>
<td class="left"></td>
<td class="left"></td>
<td class="left"></td>
<td class="left"></td>
</tr>
</tbody>
</table>
<p id="rfc.section.3.1.p.2">KAS has conditional prerequisite algorithms, depending on the capabilities registered:</p>
<div id="rfc.table.2"></div>
<div id="prereqs_requirements_table"></div>
<table cellpadding="3" cellspacing="0" class="tt full center">
<caption>Prerequisite requirement conditions</caption>
<thead><tr>
<th class="left">Prerequisite Algorithm</th>
<th class="left">Condition</th>
</tr></thead>
<tbody>
<tr>
<td class="left">DRBG</td>
<td class="left">Always REQUIRED</td>
</tr>
<tr>
<td class="left"></td>
<td class="left"></td>
</tr>
<tr>
<td class="left">SHA</td>
<td class="left">Always REQUIRED</td>
</tr>
<tr>
<td class="left"></td>
<td class="left"></td>
</tr>
<tr>
<td class="left">ECDSA</td>
<td class="left">ECDSA.PKV validation REQUIRED when IUT using assurance functions of "fullVal", "keyPairGen", or "keyRegen". ECDSA.KeyPair validation REQUIRED when IUT using assurances functions of "keyPairGen", or "keyRegen". </td>
</tr>
<tr>
<td class="left"></td>
<td class="left"></td>
</tr>
<tr>
<td class="left">AES-CCM</td>
<td class="left">AES-CCM validation REQUIRED when IUT is performing KeyConfirmation (KC) and utilizing AES-CCM.</td>
</tr>
<tr>
<td class="left"></td>
<td class="left"></td>
</tr>
<tr>
<td class="left">CMAC</td>
<td class="left">CMAC validation REQUIRED when IUT is performing KeyConfirmation (KC) and utilizing CMAC.</td>
</tr>
<tr>
<td class="left"></td>
<td class="left"></td>
</tr>
<tr>
<td class="left">HMAC</td>
<td class="left">HMAC validation REQUIRED when IUT is performing KeyConfirmation (KC) and utilizing HMAC.</td>
</tr>
<tr>
<td class="left"></td>
<td class="left"></td>
</tr>
</tbody>
</table>
<h1 id="rfc.section.3.2">
<a href="#rfc.section.3.2">3.2.</a> <a href="#cap_ex" id="cap_ex">KAS ECC Algorithm Capabilities JSON Values</a>
</h1>
<p id="rfc.section.3.2.p.1">Each algorithm capability advertised is a self-contained JSON object using the following values.</p>
<div id="rfc.table.3"></div>
<div id="caps_table"></div>
<table cellpadding="3" cellspacing="0" class="tt full center">
<caption>KAS ECC Capabilities JSON Values</caption>
<thead><tr>
<th class="left">JSON Value</th>
<th class="left">Description</th>
<th class="left">JSON type</th>
<th class="left">Valid Values</th>
<th class="left">Optional</th>
</tr></thead>
<tbody>
<tr>
<td class="left">algorithm</td>
<td class="left">The algorithm under test</td>
<td class="left">value</td>
<td class="left">KAS-ECC</td>
<td class="left">No</td>
</tr>
<tr>
<td class="left"></td>
<td class="left"></td>
<td class="left"></td>
<td class="left"></td>
<td class="left"></td>
</tr>
<tr>
<td class="left">mode</td>
<td class="left">The algorithm mode.</td>
<td class="left">value</td>
<td class="left">Component</td>
<td class="left">Yes</td>
</tr>
<tr>
<td class="left"></td>
<td class="left"></td>
<td class="left"></td>
<td class="left"></td>
<td class="left"></td>
</tr>
<tr>
<td class="left">revision</td>
<td class="left">The algorithm testing revision to use.</td>
<td class="left">value</td>
<td class="left">"1.0"</td>
<td class="left">No</td>
</tr>
<tr>
<td class="left"></td>
<td class="left"></td>
<td class="left"></td>
<td class="left"></td>
<td class="left"></td>
</tr>
<tr>
<td class="left">prereqVals</td>
<td class="left">Prerequisite algorithm validations</td>
<td class="left">array of prereqAlgVal objects</td>
<td class="left">See <a href="#prereq_algs" class="xref">Section 3.1</a> </td>
<td class="left">No</td>
</tr>
<tr>
<td class="left"></td>
<td class="left"></td>
<td class="left"></td>
<td class="left"></td>
<td class="left"></td>
</tr>
<tr>
<td class="left">function</td>
<td class="left">Type of function supported</td>
<td class="left">array</td>
<td class="left">See <a href="#supported_functions" class="xref">Section 3.3</a> </td>
<td class="left">No</td>
</tr>
<tr>
<td class="left"></td>
<td class="left"></td>
<td class="left"></td>
<td class="left"></td>
<td class="left"></td>
</tr>
<tr>
<td class="left">scheme</td>
<td class="left">Array of supported key agreement schemes each having their own capabilities</td>
<td class="left">object</td>
<td class="left">See <a href="#supported_schemes" class="xref">Section 3.4.1</a> </td>
<td class="left">No</td>
</tr>
<tr>
<td class="left"></td>
<td class="left"></td>
<td class="left"></td>
<td class="left"></td>
<td class="left"></td>
</tr>
</tbody>
</table>
<p id="rfc.section.3.2.p.2">Note: Some optional values are required depending on the algorithm. Failure to provide these values will result in the ACVP server returning an error to the ACVP client during registration.</p>
<h1 id="rfc.section.3.3">
<a href="#rfc.section.3.3">3.3.</a> <a href="#supported_functions" id="supported_functions">Supported KAS ECC Functions</a>
</h1>
<p id="rfc.section.3.3.p.1">The following function types MAY be advertised by the ACVP compliant crypto module:</p>
<p></p>
<ul>
<li>dpGen - IUT can perform domain parameter generation (FFC only)</li>
<li>dpVal - IUT can perform domain parameter validation (FFC only)</li>
<li>keyPairGen - IUT can perform keypair generation.</li>
<li>fullVal - IUT can perform full public key validation ( <a href="#SP800-56a" class="xref">[SP800-56a]</a> section 5.6.2.3.1 / 5.6.2.3.3) </li>
<li>partialVal - IUT can perform partial public key validation ( <a href="#SP800-56a" class="xref">[SP800-56a]</a> section 5.6.2.3.2 / 5.6.2.3.4) </li>
<li>keyRegen - IUT can regenerate keys given a specific seed and domain parameter (pqg for FFC, curve for ECC)</li>
</ul>
<p> </p>
<h1 id="rfc.section.3.4">
<a href="#rfc.section.3.4">3.4.</a> <a href="#schemes" id="schemes">KAS ECC Schemes</a>
</h1>
<h1 id="rfc.section.3.4.1">
<a href="#rfc.section.3.4.1">3.4.1.</a> <a href="#supported_schemes" id="supported_schemes">KAS ECC Scheme Capabilities JSON Values</a>
</h1>
<p id="rfc.section.3.4.1.p.1">All other scheme capabilities are advertised as a self-contained JSON object using the following values. Note that at least one of "noKdfNoKc", "kdfNoKc", or "kdfKc" MUST be supplied with the registration. See <a href="#supported_scheme_values" class="xref">Section 3.4.2</a> for allowed ECC scheme types. </p>
<div id="rfc.table.4"></div>
<div id="scheme_caps_table"></div>
<table cellpadding="3" cellspacing="0" class="tt full center">
<caption>KAS ECC Capabilities JSON Values</caption>
<thead><tr>
<th class="left">JSON Value</th>
<th class="left">Description</th>
<th class="left">JSON type</th>
<th class="left">Valid Values</th>
<th class="left">Optional</th>
</tr></thead>
<tbody>
<tr>
<td class="left">kasRole</td>
<td class="left">Roles supported for key agreement</td>
<td class="left">array</td>
<td class="left">initiator and/or responder</td>
<td class="left">No</td>
</tr>
<tr>
<td class="left"></td>
<td class="left"></td>
<td class="left"></td>
<td class="left"></td>
<td class="left"></td>
</tr>
<tr>
<td class="left">noKdfNoKc</td>
<td class="left">Indicates no KDF, no KC tests are to be generated. Note this is a COMPONENT mode only test. This property MUST only be used with "KAS-ECC" / "Component"</td>
<td class="left">object</td>
<td class="left">
<a href="#noKdfNoKc" class="xref">Section 3.5.1</a> </td>
<td class="left">Yes</td>
</tr>
<tr>
<td class="left"></td>
<td class="left"></td>
<td class="left"></td>
<td class="left"></td>
<td class="left"></td>
</tr>
<tr>
<td class="left">kdfNoKc</td>
<td class="left">Indicates KDF, no KC tests are to be generated. Note this is a KAS-ECC only test. This mode MAY only be used for registrations with "KAS-ECC" (no mode)</td>
<td class="left">object</td>
<td class="left">
<a href="#kdfNoKc" class="xref">Section 3.5.2</a> </td>
<td class="left">Yes</td>
</tr>
<tr>
<td class="left"></td>
<td class="left"></td>
<td class="left"></td>
<td class="left"></td>
<td class="left"></td>
</tr>
<tr>
<td class="left">kdfKc</td>
<td class="left">Indicates KDF, KC tests are to be generated. Note this is a KAS-ECC only test. This mode MAY only be used for registrations with "KAS-ECC" (no mode)</td>
<td class="left">object</td>
<td class="left">
<a href="#kdfKc" class="xref">Section 3.5.3</a> </td>
<td class="left">Yes</td>
</tr>
<tr>
<td class="left"></td>
<td class="left"></td>
<td class="left"></td>
<td class="left"></td>
<td class="left"></td>
</tr>
</tbody>
</table>
<h1 id="rfc.section.3.4.2">
<a href="#rfc.section.3.4.2">3.4.2.</a> <a href="#supported_scheme_values" id="supported_scheme_values">Supported KAS ECC Schemes</a>
</h1>
<p id="rfc.section.3.4.2.p.1">The following schemes MAY be advertised by the ACVP compliant crypto module:</p>
<p></p>
<ul>
<li>ephemeralUnified - keyConfirmation not supported</li>
<li>fullMqv</li>
<li>fullUnified</li>
<li>onePassDh - Can only provide unilateral key confirmation party V to party U.</li>
<li>onePassMqv</li>
<li>onePassUnified</li>
<li>staticUnified</li>
</ul>
<p> </p>
<h1 id="rfc.section.3.5">
<a href="#rfc.section.3.5">3.5.</a> <a href="#kasMode" id="kasMode">KAS ECC Modes</a>
</h1>
<h1 id="rfc.section.3.5.1">