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-- RFC 3779         X.509 Extensions for IP Addr and AS ID        June 2004
--
   IPAddrAndASCertExtn { iso(1) identified-organization(3) dod(6)
            internet(1) security(5) mechanisms(5) pkix(7) mod(0)
            id-mod-ip-addr-and-as-ident(30) }
       DEFINITIONS EXPLICIT TAGS ::=
   BEGIN
        -- Copyright (C) The Internet Society (2004). This    --
        -- version of this ASN.1 module is part of RFC 3779;  --
        -- see the RFC itself for full legal notices.         --

   -- EXPORTS ALL --

   IMPORTS

   -- PKIX specific OIDs and arcs --
       id-pe FROM PKIX1Explicit88 { iso(1) identified-organization(3)
                  dod(6) internet(1) security(5) mechanisms(5) pkix(7)
                  id-mod(0) id-pkix1-explicit(18) };

   -- IP Address Delegation Extension OID --

   id-pe-ipAddrBlocks  OBJECT IDENTIFIER ::= { id-pe 7 }

   -- IP Address Delegation Extension Syntax --

   IPAddrBlocks        ::= SEQUENCE OF IPAddressFamily

   IPAddressFamily     ::= SEQUENCE { -- AFI & opt SAFI --
      addressFamily        OCTET STRING (SIZE (2..3)),
      ipAddressChoice      IPAddressChoice }

   IPAddressChoice     ::= CHOICE {
      inherit              NULL, -- inherit from issuer --
      addressesOrRanges    SEQUENCE OF IPAddressOrRange }

   IPAddressOrRange    ::= CHOICE {
      addressPrefix        IPAddress,
      addressRange         IPAddressRange }

   IPAddressRange      ::= SEQUENCE {
      min                  IPAddress,
      max                  IPAddress }

   IPAddress           ::= BIT STRING

   -- Autonomous System Identifier Delegation Extension OID --

   id-pe-autonomousSysIds  OBJECT IDENTIFIER ::= { id-pe 8 }

   -- Autonomous System Identifier Delegation Extension Syntax --

   ASIdentifiers       ::= SEQUENCE {
       asnum               [0] ASIdentifierChoice OPTIONAL,
       rdi                 [1] ASIdentifierChoice OPTIONAL }

   ASIdentifierChoice  ::= CHOICE {
      inherit              NULL, -- inherit from issuer --
      asIdsOrRanges        SEQUENCE OF ASIdOrRange }

   ASIdOrRange         ::= CHOICE {
       id                  ASId,
       range               ASRange }

   ASRange             ::= SEQUENCE {
       min                 ASId,
       max                 ASId }

   ASId                ::= INTEGER

   END