Network Working Group R. Hammett, Ed. Internet-Draft 19 March 2024 Intended status: Informational Expires: 20 September 2024 ACVP KAS SSC FFC Specification draft-ietf-acvp-sub-kas-ssc-ffc-sp800-56ar3 Status of This Memo This Internet-Draft is submitted in full conformance with the provisions of BCP 78 and BCP 79. 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 20 September 2024. Copyright Notice Copyright (c) 2024 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 and restrictions with respect to this document. Table of Contents 1. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . 2 2. Abstract . . . . . . . . . . . . . . . . . . . . . . . . . . 2 3. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 2 4. Conventions . . . . . . . . . . . . . . . . . . . . . . . . . 3 4.1. Notation conventions . . . . . . . . . . . . . . . . . . 3 4.2. Terms and Definitions . . . . . . . . . . . . . . . . . . 3 4.2.1. Prompt . . . . . . . . . . . . . . . . . . . . . . . 3 4.2.2. Registration . . . . . . . . . . . . . . . . . . . . 3 4.2.3. Response . . . . . . . . . . . . . . . . . . . . . . 3 Hammett Expires 20 September 2024 [Page 1] Internet-Draft ACVP KAS SSC FFC SP800-56Ar3 March 2024 4.2.4. Test Case . . . . . . . . . . . . . . . . . . . . . . 3 4.2.5. Test Group . . . . . . . . . . . . . . . . . . . . . 3 4.2.6. Test Vector Set . . . . . . . . . . . . . . . . . . . 3 4.2.7. Validation . . . . . . . . . . . . . . . . . . . . . 3 5. Supported KAS SSC FFC . . . . . . . . . . . . . . . . . . . . 4 6. Test Types and Test Coverage . . . . . . . . . . . . . . . . 4 6.1. Test Types . . . . . . . . . . . . . . . . . . . . . . . 4 6.2. Test Coverage . . . . . . . . . . . . . . . . . . . . . . 4 6.2.1. Requirements Covered . . . . . . . . . . . . . . . . 4 6.2.2. Requirements Not Covered . . . . . . . . . . . . . . 5 7. Capabilities Registration . . . . . . . . . . . . . . . . . . 5 7.1. Prerequisites . . . . . . . . . . . . . . . . . . . . . . 6 7.2. Prerequisite Algorithms for KAS FFC Validations . . . . . 7 7.3. Property Registration . . . . . . . . . . . . . . . . . . 8 7.3.1. Schemes . . . . . . . . . . . . . . . . . . . . . . . 9 7.3.2. Domain Parameter Generation Methods . . . . . . . . . 10 7.3.3. Hash Function Z . . . . . . . . . . . . . . . . . . . 11 7.4. Registration Example . . . . . . . . . . . . . . . . . . 12 8. Test Vectors . . . . . . . . . . . . . . . . . . . . . . . . 12 8.1. Test Groups . . . . . . . . . . . . . . . . . . . . . . . 13 8.2. Test Cases . . . . . . . . . . . . . . . . . . . . . . . 15 9. Responses . . . . . . . . . . . . . . . . . . . . . . . . . . 19 10. Security Considerations . . . . . . . . . . . . . . . . . . . 22 11. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 22 12. Normative References . . . . . . . . . . . . . . . . . . . . 22 Author's Address . . . . . . . . . . . . . . . . . . . . . . . . 23 1. Acknowledgements There are no acknowledgements. 2. Abstract This document defines the JSON schema for testing KAS-SSC-FFC SP800-56Ar3 implementations with the ACVP specification. 3. Introduction 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 Hammett Expires 20 September 2024 [Page 2] Internet-Draft ACVP KAS SSC FFC SP800-56Ar3 March 2024 sub-specification defines the JSON constructs for testing KAS-SSC-FFC SP800-56Ar3 implementations using ACVP. 4. Conventions 4.1. Notation conventions 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 of [RFC2119] and [RFC8174] when, and only when, they appear in all capitals, as shown here. 4.2. Terms and Definitions 4.2.1. Prompt JSON sent from the server to the client describing the tests the client performs 4.2.2. Registration The initial request from the client to the server describing the capabilities of one or several algorithm, mode and revision combinations 4.2.3. Response JSON sent from the client to the server in response to the prompt 4.2.4. Test Case An individual unit of work within a prompt or response 4.2.5. Test Group A collection of test cases that share similar properties within a prompt or response 4.2.6. Test Vector Set A collection of test groups under a specific algorithm, mode, and revision 4.2.7. Validation JSON sent from the server to the client that specifies the correctness of the response Hammett Expires 20 September 2024 [Page 3] Internet-Draft ACVP KAS SSC FFC SP800-56Ar3 March 2024 5. Supported KAS SSC FFC The following KAS algorithms MAY be advertised by this ACVP compliant crypto module: * KAS-FFC-SSC / null / Sp800-56Ar3 Other KAS algorithms MAY be advertised by the ACVP module elsewhere. 6. Test Types and Test Coverage This section describes the design of the tests used to validate KAS- SSC-FFC SP800-56Ar3 implementations. 6.1. Test Types * "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 compute a shared secret z; both the server and IUT MAY act as party U/V. * "VAL" - Validation test. In the VAL test mode, The ACVP server MUST generate a complete (from both party U and party V's perspectives) shared secret z, and expects the IUT to be able to determine if that shared secret is valid. Various types of conditions/errors MUST be introduced in varying portions of the key agreement process (changed Z, Z with leading zero nibble, etc), that the IUT MUST be able to detect and report on. 6.2. Test Coverage The tests described in this document have the intention of ensuring an implementation is conformant to SP800-56Ar3 KAS Shared Secret Computation (SSC). 6.2.1. Requirements Covered * SP 800-56Ar3 - 4.1 Key Establishment Preparations. The ACVP server is responsible for generating domain parameters as per the IUT's capability registration. * SP 800-56Ar3 - 4.2 Key-Agreement Process. Both the ACVP server and IUT participate in the shared secret computation. 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. Hammett Expires 20 September 2024 [Page 4] Internet-Draft ACVP KAS SSC FFC SP800-56Ar3 March 2024 * SP 800-56Ar3 - 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. * SP 800-56Ar3 - 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. * SP 800-56Ar3 - 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. * SP 800-56Ar3 - 6 Key Agreement Schemes. All schemes specified in referenced document are supported for validation with the ACVP server. 6.2.2. Requirements Not Covered * KAS SSC testing only covers testing of SP800-56Ar3 through the computation of a shared secret z. Additional functions of KAS as a whole such as KDF, KC, etc. MAY be covered within the scope of the full KAS testing; please see that document for further details. 7. Capabilities Registration 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-SSC-FFC SP800-56Ar3 algorithms to the ACVP server. The algorithm capabilities MUST be 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 [ACVP] for more details on the registration message. Hammett Expires 20 September 2024 [Page 5] Internet-Draft ACVP KAS SSC FFC SP800-56Ar3 March 2024 7.1. Prerequisites Each algorithm implementation MAY rely on other cryptographic primitives. For example, RSA Signature algorithms depend on an underlying hash function. 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: Prerequisites, if applicable, MUST be submitted in the registration as the prereqVals JSON property array inside each element of the algorithms array. Each element in the prereqVals array MUST contain the following properties +===============+=============================+===========+ | JSON Property | Description | JSON Type | +===============+=============================+===========+ | algorithm | a prerequisite algorithm | string | +---------------+-----------------------------+-----------+ | valValue | algorithm validation number | string | +---------------+-----------------------------+-----------+ Table 1: Prerequisite Properties A "valValue" of "same" SHALL be used to indicate that the prerequisite is being met by a different algorithm in the capability exchange in the same registration. An example description of prerequisites within a single algorithm capability exchange looks like this "prereqVals": [ { "algorithm": "Alg1", "valValue": "Val-1234" }, { "algorithm": "Alg2", "valValue": "same" } ] Hammett Expires 20 September 2024 [Page 6] Internet-Draft ACVP KAS SSC FFC SP800-56Ar3 March 2024 7.2. Prerequisite Algorithms for KAS FFC Validations 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: +==============+==============+============+=============+==========+ | JSON Value |Description |JSON type |Valid Values | Optional | +==============+==============+============+=============+==========+ | algorithm |a prerequisite|value |DRBG, DSA, | No | | |algorithm | |SafePrimes, | | | | | |SHA | | +--------------+--------------+------------+-------------+----------+ | valValue |algorithm |value |actual number| No | | |validation | |or "same" | | | |number | | | | +--------------+--------------+------------+-------------+----------+ | prereqAlgVal |prerequistie |object with |see above | Yes | | |algorithm |algorithm | | | | |validation |and valValue| | | | | |properties | | | +--------------+--------------+------------+-------------+----------+ Table 2: Prerequisite Algorithms JSON Values KAS has conditional prerequisite algorithms, depending on the capabilities registered: Hammett Expires 20 September 2024 [Page 7] Internet-Draft ACVP KAS SSC FFC SP800-56Ar3 March 2024 +==============+===============================================+ | Prerequisite | Condition | | Algorithm | | +==============+===============================================+ | DRBG | Always REQUIRED | +--------------+-----------------------------------------------+ | SHA | Always REQUIRED | +--------------+-----------------------------------------------+ | DSA | DSA KeyGen validation REQUIRED when IUT makes | | | use of the "FB" or "FB" (legacy) domain | | | parameters for the generation/validation of | | | keys within the module boundary. | +--------------+-----------------------------------------------+ | SafePrimes | SafePrimes KeyGen/KeyVer validation REQUIRED | | | when IUT makes use of the safe-prime groups | | | for the generation/validation of keys within | | | the module boundary. | +--------------+-----------------------------------------------+ Table 3: Prerequisite requirement conditions 7.3. Property Registration The KAS-SSC-FFC SP800-56Ar3 mode capabilities are advertised as JSON objects within a root "algorithm" object. A registration SHALL use these properties: Hammett Expires 20 September 2024 [Page 8] Internet-Draft ACVP KAS SSC FFC SP800-56Ar3 March 2024 +================================+=============+=======+=============+ |JSON Property |Description |JSON |Valid Values | | | |Type | | +================================+=============+=======+=============+ |algorithm |Name of the |string |"KAS-FFC-SSC"| | |algorithm to | | | | |be validated | | | +--------------------------------+-------------+-------+-------------+ |revision |ACVP Test |string |"Sp800-56Ar3"| | |version | | | +--------------------------------+-------------+-------+-------------+ |prereqVals |Prerequisites|object |See | | |of the | |Section 7.1 | | |algorithm | | | +--------------------------------+-------------+-------+-------------+ |scheme |Array of |array |See | | |schemes |of |Section 7.3.1| | |supported |objects| | +--------------------------------+-------------+-------+-------------+ |domainParameterGenerationMethods|Array of |array |See | | |strings |of |Section 7.3.2| | |representing |strings| | | |the supported| | | | |means of | | | | |generating | | | | |domain | | | | |parameters | | | +--------------------------------+-------------+-------+-------------+ |hashFunctionZ |Optional hash|string |See | | |function to | |Section 7.3.3| | |apply to the | | | | |shared secret| | | | |z in | | | | |instances | | | | |where the IUT| | | | |is unable to | | | | |return the z | | | | |in the clear.| | | +--------------------------------+-------------+-------+-------------+ Table 4: Registration Properties 7.3.1. Schemes Schemes MUST be registered as a dictionary (key/value pairs) where the key is a valid Section 7.3.1.1, and the value is a Section 7.3.1.2. Hammett Expires 20 September 2024 [Page 9] Internet-Draft ACVP KAS SSC FFC SP800-56Ar3 March 2024 7.3.1.1. Scheme Identifier * dhEphem * mqv1 * dhHybrid1 * mqv2 * dhHybridOneFlow * dhOneFlow * dhStatic 7.3.1.2. Scheme Object The scheme object is made up of the following properties: +----------+--------------------------------+--------+--------------+ | JSON | Description | JSON | Valid Values | | Property | | Type | | +----------+--------------------------------+--------+--------------+ | kasRole | The roles that the IUT can | array | "initiator", | | | support for the scheme. A | of | "responder" | | | value of "initiator" | string | | | | indicates that the IUT can | | | | | support the role of Party | | | | | U. A value of "responder" | | | | | indicates that the IUT can | | | | | support the role of Party | | | | | V. "initiator" and | | | | | "responder" are the legacy | | | | | terms (pre-SP 800-56Ar2) | | | | | for Party U and Party V. | | | +----------+--------------------------------+--------+--------------+ Table 5: Scheme Properties 7.3.2. Domain Parameter Generation Methods * MODP-2048 * MODP-3072 * MODP-4096 Hammett Expires 20 September 2024 [Page 10] Internet-Draft ACVP KAS SSC FFC SP800-56Ar3 March 2024 * MODP-6144 * MODP-8192 * ffdhe2048 * ffdhe3072 * ffdhe4096 * ffdhe6144 * ffdhe8192 * FB * FC 7.3.3. Hash Function Z An optional hash function that should be applied to z from both the ACVP server and IUT for comparison purposes. The provided `hashFunctionZ's security strength MUST be at least as strong as the greatest security strength domain parameter selected from Section 7.3.2 The following hash functions MAY be advertised by an ACVP compliant server: * SHA2-224 * SHA2-256 * SHA2-384 * SHA2-512 * SHA2-512/224 * SHA2-512/256 * SHA3-224 * SHA3-256 * SHA3-384 * SHA3-512 Hammett Expires 20 September 2024 [Page 11] Internet-Draft ACVP KAS SSC FFC SP800-56Ar3 March 2024 7.4. Registration Example { "algorithm": "KAS-FFC-SSC", "revision": "Sp800-56Ar3", "scheme": { "dhEphem": { "kasRole": [ "initiator", "responder" ] }, "mqv1": { "kasRole": [ "initiator" ] } }, "domainParameterGenerationMethods": [ "ffdhe2048", "FB" ], "hashFunctionZ": "SHA3-512" } 8. Test Vectors The ACVP server provides test vectors to the ACVP client, which are then processed and returned to the ACVP server for validation. A typical ACVP validation test session would require multiple test vector sets to be downloaded and processed by the ACVP client. Each test vector set represents an individual algorithm defined during the capability exchange. This section describes the JSON schema for a test vector set used with KAS-SSC-FFC SP800-56Ar3 algorithms. The test vector set JSON schema is a multi-level hierarchy that contains meta data for the entire vector set as well as individual test vectors to be processed by the ACVP client. The following table describes the JSON elements at the top level of the hierarchy. Hammett Expires 20 September 2024 [Page 12] Internet-Draft ACVP KAS SSC FFC SP800-56Ar3 March 2024 +=============+======================================+===========+ | JSON Values | Description | JSON Type | +=============+======================================+===========+ | acvVersion | Protocol version identifier | string | +-------------+--------------------------------------+-----------+ | vsId | Unique numeric vector set identifier | integer | +-------------+--------------------------------------+-----------+ | algorithm | Algorithm defined in the capability | string | | | exchange | | +-------------+--------------------------------------+-----------+ | mode | Mode defined in the capability | string | | | exchange | | +-------------+--------------------------------------+-----------+ | revision | Protocol test revision selected | string | +-------------+--------------------------------------+-----------+ | testGroups | Array of test groups containing test | array | | | data, see Section 8.1 | | +-------------+--------------------------------------+-----------+ Table 6: Top Level Test Vector JSON Elements An example of this would look like this [ { "acvVersion": }, { "vsId": 1, "algorithm": "Alg1", "mode": "Mode1", "revision": "Revision1.0", "testGroups": [ ... ] } ] 8.1. Test Groups The testGroups element at the top level in the test vector JSON object is an array of test groups. Test vectors are grouped into similar test cases to reduce the amount of data transmitted in the vector set. For instance, all test vectors that use the same key size would be grouped together. The Test Group JSON object contains meta data that applies to all test vectors within the group. The following table describes the KAS-SSC-FFC SP800-56Ar3 JSON elements of the Test Group JSON object Hammett Expires 20 September 2024 [Page 13] Internet-Draft ACVP KAS SSC FFC SP800-56Ar3 March 2024 +=============================+================================+=======+ |JSON Values |Description |JSON | | | |Type | +=============================+================================+=======+ |tgId |Test group identifier |integer| +-----------------------------+--------------------------------+-------+ |testType |Describes the operation the |string | | |client should perform on the | | | |tests data | | +-----------------------------+--------------------------------+-------+ |domainParameterGenerationMode|The curve in use for key |string | | |generation for the test group | | +-----------------------------+--------------------------------+-------+ |p |The P value for use in DSA |hex | | |domain parameters. Only | | | |provided for "FB"/"FC" | | | |`domainParameterGenerationMode`s| | +-----------------------------+--------------------------------+-------+ |q |The Q value for use in DSA |hex | | |domain parameters. Only | | | |provided for "FB"/"FC" | | | |`domainParameterGenerationMode`s| | +-----------------------------+--------------------------------+-------+ |g |The G value for use in DSA |hex | | |domain parameters. Only | | | |provided for "FB"/"FC" | | | |`domainParameterGenerationMode`s| | +-----------------------------+--------------------------------+-------+ |scheme |KAS scheme under test |string | +-----------------------------+--------------------------------+-------+ |kasRole |The role of the IUT for the test|string | | |group. A value of "initiator" | | | |indicates that the IUT will | | | |assume the role of Party U. A | | | |value of "responder" indicates | | | |that the IUT will assume the | | | |role of Party V. "initiator" and| | | |"responder" are the legacy terms| | | |(pre-SP 800-56Ar2) for Party U | | | |and Party V. | | +-----------------------------+--------------------------------+-------+ |hashFunctionZ |The hash function applied to z |string | | |(optional) | | +-----------------------------+--------------------------------+-------+ |tests |Array of individual test cases |See | | | |Section| | | |8.2 | +-----------------------------+--------------------------------+-------+ Hammett Expires 20 September 2024 [Page 14] Internet-Draft ACVP KAS SSC FFC SP800-56Ar3 March 2024 Table 7: Test Group Properties The 'tgId', 'testType' and 'tests' objects MUST appear in every test group element communicated from the server to the client as a part of a prompt. Other properties are dependent on which 'testType' the group is addressing. 8.2. Test Cases Each test group contains an array of one or more test cases. Each test case is a JSON object that represents a single test vector to be processed by the ACVP client. The following table describes the JSON elements for each KAS-SSC-FFC SP800-56Ar3 test vector. Hammett Expires 20 September 2024 [Page 15] Internet-Draft ACVP KAS SSC FFC SP800-56Ar3 March 2024 +=======================+=============================+=========+ | JSON Values | Description | JSON | | | | Type | +=======================+=============================+=========+ | tcId | Test case identifier | integer | +-----------------------+-----------------------------+---------+ | staticPublicServer | The server static public | hex | | | key X. Optional depending | | | | on scheme and test type. | | +-----------------------+-----------------------------+---------+ | ephemeralPublicServer | The server ephemeral public | hex | | | key X. Optional depending | | | | on scheme and test type. | | +-----------------------+-----------------------------+---------+ | staticPrivateIut | The IUT static private key. | hex | | | Optional depending on | | | | scheme and test type. | | +-----------------------+-----------------------------+---------+ | staticPublicIut | The IUT static public key | hex | | | X. Optional depending on | | | | scheme and test type. | | +-----------------------+-----------------------------+---------+ | ephemeralPrivateIut | The IUT ephemeral private | hex | | | key. Optional depending on | | | | scheme and test type. | | +-----------------------+-----------------------------+---------+ | ephemeralPublicIut | The IUT ephemeral public | hex | | | key X. Optional depending | | | | on scheme and test type. | | +-----------------------+-----------------------------+---------+ | z | The computed shared secret. | hex | | | Included for VAL tests when | | | | registered without a | | | | hashFunctionZ | | +-----------------------+-----------------------------+---------+ | hashZ | The hashed computed shared | hex | | | secret. Included for VAL | | | | tests when registered with | | | | a hashFunctionZ | | +-----------------------+-----------------------------+---------+ Table 8: Test Case Properties Here is an abbreviated yet fully constructed example of the prompt Hammett Expires 20 September 2024 [Page 16] Internet-Draft ACVP KAS SSC FFC SP800-56Ar3 March 2024 { "vsId": 1, "algorithm": "KAS-FFC-SSC", "revision": "Sp800-56Ar3", "testGroups": [ { "p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q": "F36D179E1A717CA3CC6DCF504FD1C5ACAEEC65BA49E6DBD188D318D3", "g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tgId": 1, "testType": "AFT", "tests": [ { "ephemeralPublicServer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tcId": 1 }, { "ephemeralPublicServer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tcId": 2 } ], "domainParameterGenerationMode": "FB", "scheme": "dhEphem", "kasRole": "initiator" }, { "p": 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"7B439FAE2BCBBCF656806252B530A0AB9FA5B37EB2924E2E88DA4B771B1E7F22273E28DA737C83B0ACD2CA9B05EBA1498E049AE15FA349DCF27223F32842B9FB66375BCD9B175B75074F2D47CE40A566F9E893C1F725635C54D00A82A8F1588A764FB88BD4DF4D1A86AB9C50592014F8321B1C3E97178B66515EF787699043F802C81F29C08F91E4C74DE3CC5BDE06FF559B584133778FF4DA1D1015D600583A139551F31A42A226ECC4D2123E90B1E209B6DB44172AF8CD14ED0FFC6915987B7BB7C3FF76121ECE51113A138B79AAF49746CA69CFC08AC2F76FBD6D719279D8B011A540DBDB43C0FA8B3F1DC0F8F36D7D68F1647185AD00B96618FB9C9F0C95" } ], "domainParameterGenerationMode": "FB", Hammett Expires 20 September 2024 [Page 17] Internet-Draft ACVP KAS SSC FFC SP800-56Ar3 March 2024 "scheme": "dhEphem", "kasRole": "initiator" }, { "tgId": 3, "testType": "AFT", "tests": [ { "ephemeralPublicServer": 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tcId": 12 } ], "domainParameterGenerationMode": "ffdhe2048", "scheme": "dhEphem", "kasRole": "initiator" }, { "tgId": 4, "testType": "VAL", "tests": [ { "ephemeralPublicServer": 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} ], "domainParameterGenerationMode": "ffdhe2048", "scheme": "dhEphem", "kasRole": "initiator" } ] } Hammett Expires 20 September 2024 [Page 18] Internet-Draft ACVP KAS SSC FFC SP800-56Ar3 March 2024 9. Responses After the ACVP client downloads and processes a vector set, it must send the response vectors back to the ACVP server. The following table describes the JSON object that represents a vector set response. +===============+=============================+===========+ | JSON Property | Description | JSON Type | +===============+=============================+===========+ | acvVersion | The version of the protocol | string | +---------------+-----------------------------+-----------+ | vsId | The vector set identifier | integer | +---------------+-----------------------------+-----------+ | testGroups | The test group data | array | +---------------+-----------------------------+-----------+ Table 9: Vector Set Response Properties The testGroups section is used to organize the ACVP client response in a similar manner to how it receives vectors. Several algorithms SHALL require the client to send back group level properties in their response. This structure helps accommodate that. +===============+===========================+===========+ | JSON Property | Description | JSON Type | +===============+===========================+===========+ | tgId | The test group identifier | integer | +---------------+---------------------------+-----------+ | tests | The test case data | array | +---------------+---------------------------+-----------+ Table 10: Test Group Response Properties The following table describes the JSON object that represents a test case response for a KAS-SSC-FFC SP800-56Ar3. Hammett Expires 20 September 2024 [Page 19] Internet-Draft ACVP KAS SSC FFC SP800-56Ar3 March 2024 +====================+===================================+=========+ | JSON Property | Description | JSON | | | | Type | +====================+===================================+=========+ | tcId | The test case identifier | integer | +--------------------+-----------------------------------+---------+ | testPassed | Was the provided z or hashZ | boolean | | | valid? Only valid for the "VAL" | | | | test type. | | +--------------------+-----------------------------------+---------+ | staticPublicIut | The IUT static public key X. | hex | | | Optional depending on scheme and | | | | test type. | | +--------------------+-----------------------------------+---------+ | ephemeralPublicIut | The IUT ephemeral public key X. | hex | | | Optional depending on scheme and | | | | test type. | | +--------------------+-----------------------------------+---------+ | z | The shared secret z. Only | hex | | | included for "AFT" test type when | | | | a hashFunctionZ is not in use. | | +--------------------+-----------------------------------+---------+ | hashZ | The shared secret z run through a | hex | | | hash function. Only included for | | | | "AFT" test type when a | | | | hashFunctionZ is in use. | | +--------------------+-----------------------------------+---------+ Table 11: Test Case Response Properties Here is an abbreviated example of the response { "vsId": 1, "algorithm": "KAS-FFC-SSC", "revision": "Sp800-56Ar3", "testGroups": [ { "tgId": 1, "tests": [ { "ephemeralPublicIut": "94624EBEC7345E8F73D22DD3C37A721F4AEA81CFA51D35BC127C11FB3235D92E9F6F16DA88A6AE3491C08E0145C9D20164C47684D921502B777BB012BCE774FBF8E4B2090F690D2492914ADAE2495BEB1314AC0F9054E9B3D0AE2C002D25F85CE55B827231AD4B1337C64B6CFB36DE8CC9196F370E4266D4CC630F4EBD1D3E764A0651AB379FE877E60DCB94E87476670858A4EACFB2DC85469D3F045896A676DB2172FFB9AAEE3ABFFDE05B9C2ADCE86BB350E436FDE50EDC2B2DA4B17368AD17E61A50C1A05FAD6835CA0F679DE1A78DDB6307B7D19DB66E1B2F568A7B09B516D41F3C4E820705CCFF19B04B71E002EBA45C0CB2C48225D3B8013A81A24E8B", "tcId": 1, "z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}, { "ephemeralPublicIut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tcId": 2, Hammett Expires 20 September 2024 [Page 20] Internet-Draft ACVP KAS SSC FFC SP800-56Ar3 March 2024 "z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} ] }, { "tgId": 2, "tests": [ { "tcId": 6, "testPassed": true }, { "tcId": 7, "testPassed": true } ] }, { "tgId": 3, "tests": [ { "ephemeralPublicIut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tcId": 11, "z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}, { "ephemeralPublicIut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tcId": 12, "z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} ] }, { "tgId": 4, "tests": [ { "tcId": 16, "testPassed": false }, { "tcId": 17, "testPassed": true } ] } ] } Hammett Expires 20 September 2024 [Page 21] Internet-Draft ACVP KAS SSC FFC SP800-56Ar3 March 2024 10. Security Considerations There are no additional security considerations outside of those outlined in the ACVP document. 11. IANA Considerations This document does not require any action by IANA. 12. Normative References [RFC2119] Bradner, S., "Key words for use in RFCs to Indicate Requirement Levels", RFC 2119, RFC 2119, DOI 10.17487/RFC2119, March 1997, . [RFC3526] Kivinen, T. and M. Kojo, "More Modular Exponential (MODP) Diffie-Hellman groups for Internet Key Exchange (IKE)", RFC 3526, RFC 3526, DOI 10.17487/RFC3526, May 2003, . [RFC7919] Gillmor, D., "Negotiated Finite Field Diffie-Hellman Ephemeral Parameters for Transport Layer Security (TLS)", RFC 7919, RFC 7919, DOI 10.17487/RFC7919, August 2016, . [RFC7991] Hoffman, P., "The "xml2rfc" Version 3 Vocabulary", RFC 7991, RFC 7991, DOI 10.17487/RFC7991, December 2016, . [RFC8174] Leiba, B., "Ambiguity of Uppercase vs Lowercase in RFC 2119 Key Words", RFC 8174, RFC 8174, DOI 10.17487/RFC8174, May 2017, . [FIPS186-4] National Institute of Standards and Technology, "Digital Signature Standard (DSS)", NIST FIPS 186-4, July 2013, . [SP800-56Ar3] Barker, E. B., Chen, L., Roginsky, A., Vassilev, A., and R. Davis, "Recommendation for Pair-Wise Key-Establishment Schemes Using Discrete Logarithm Cryptography", NIST SP 800-56A Rev. 3, April 2018, . [ACVP] Hammett, R., "Automatic Cryptographic Validation Protocol", ACVP, 26 June 2020. Hammett Expires 20 September 2024 [Page 22] Internet-Draft ACVP KAS SSC FFC SP800-56Ar3 March 2024 Author's Address Russell Hammett (editor) Email: russell.hammett@nist.gov Hammett Expires 20 September 2024 [Page 23]