3.4.5.4 Receiving Message #4

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Processing MUST be identical to that specified in [RFC2409] section 5.1.

The host MUST then construct message #5, as specified in [RFC2409] section 5.1, with the following differences:

  • The Identity payload MUST have the Identification type ID_IPV6_CGA and contain the identification data that corresponds to the host CGA (for details, see section 2.2.5). The ID IPV6 CGA fields are read from the CGA ID (see section 3.4.1).

  • The CERT payload MUST contain the self-signed certificate that corresponds to the CGA.