Test IKEv2.EN.R.1.2.4.1: Sending NO_PROPOSAL_CHOSEN for CREATE_CHILD_SA Part A: (BASIC)
To verify an IKEv2 device properly handles CREATE_CHILD_SA request with an unacceptable SA payload.
* [RFC 4306] - Sections 2.7 and 3.10.1 * [RFC 4718] - Sections 2.1 and 2.2
* Network Topology Connect the devices according to the Common Topology. * Configuration In each part, configure the devices according to the Common Configuration. * Pre-Sequence and Cleanup Sequence IKEv2 on the NUT is disabled after each part.
NUT TN1 (End-Node) (End-Node) | | |<-------------------| IKE_SA_INIT request (HDR, SAi1, KEi, Ni) | | (Packet #1) |------------------->| IKE_SA_INIT response (HDR, SAr1, KEr, Nr) | | (Judgement #1) | | |<-------------------| IKE_AUTH request (HDR, SK {IDi, AUTH, N+, SAi2, TSi, TSr}) | | (Packet #2) |------------------->| IKE_AUTH response (HDR, SK {IDr, AUTH, N+, SAr2, TSi, TSr}) | | (Judgement #2) | | |<-------------------| CREATE_CHILD_SA request (HDR, SK {N, N+, SA, Ni, TSi, TSr}) | | (Packet #3) |---------X | CREATE_CHILD_SA response (HDR, SK {N+, SA, Nr, TSi, TSr}) | | or |------------------->| CREATE_CHILD_SA response (HDR, SK {N(NO_PROPOSAL_CHOSEN)}) | | (Judgement #3) | | V V
N: REKEY_SA N+: USE_TRANSPORT_MODE
Packet #1 See Common Packet #1 Packet #2 See Common Packet #3 Packet #3 See below
* Packet #3: CREATE_CHILD_SA request
IPv6 Header Same as the Common Packet #13 UDP Header Same as the Common Packet #13 IKEv2 Header Same as the Common Packet #13 E Payload Same as the Common Packet #13 N Payload Same as the Common Packet #13 N Payload Same as the Common Packet #13 SA Payload Other fields are same as the common packet #13 SA Proposals See below Ni, Nr Payload Same as the Common Packet #13 TSi Payload Same as the Common Packet #13 TSr Payload Same as the common packet #13
Proposal #1 SA Proposal Next Payload 0 (last) Reserved 0 Proposal Length 36 Proposal # 1 Proposal ID 3 (ESP) SPI Size 4 # of Transforms 3 SPI any SA Transform Next Payload 3 (more) Reserved 0 Transform Length 8 Transform Type 1 (ENCR) Reserved 0 Transform ID 12 (AES_CBC) SA Transform Next Payload 3 (more) Reserved 0 Transform Length 8 Transform Type 3 (INTEG) Reserved 0 Transform ID 5 (AES_XCBC_96) SA Transform Next Payload 0 (last) Reserved 0 Transform Length 8 Transform Type 5 (ESN) Reserved 0 Transform ID 1 (ESN)
Part A: (BASIC) 1. TN1 starts to negotiate with NUT by sending IKE_SA_INIT request. 2. Observe the messages transmitted on Link A. 3. After reception of IKE_SA_INIT response from the NUT, TN1 trasmits an IKE_AUTH request to the NUT. 4. Observe the messages transmitted on Link A. 5. TN1 transmits a CREATE_CHILD_SA request to rekey the established CHILD_SAs to the NUT. The CREATE_CHILD_SA request includes a SA payload with a proposal unaccepted by the NUT. 6. Observe the messages transmitted on Link A.
Part A Step 2: Judgment #1 The NUT transmits an IKE_SA_INIT response including "ENCR_3DES", "PRF_HMAC_SHA1", "AUTH_HMAC_SHA1_96" and "D-H group 2" as accepted algorithms. Step 4: Judgment #2 The NUT transmits an IKE_AUTH response including "ENCR_3DES", "AUTH_HMAC_SHA1_96" and "No Extended Sequence Numbers" as accepted algorithms. Step 6: Judgment #3 The NUT does not transmit a CREATE_CHILD_SA response or transmits a CREATE_CHILD_SA response including a Notify payload of type NO_PROPOSAL_CHOSEN.
* None.