1 files changed, 49 insertions, 0 deletions
diff --git a/rpkid/rpki/roa.py b/rpkid/rpki/roa.py
new file mode 100644
index 00000000..15d1c6eb
--- /dev/null
+++ b/rpkid/rpki/roa.py
@@ -0,0 +1,49 @@
+# $Id$
+
+# Copyright (C) 2007--2008  American Registry for Internet Numbers ("ARIN")
+#
+# Permission to use, copy, modify, and distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND ARIN DISCLAIMS ALL WARRANTIES WITH
+# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+# AND FITNESS.  IN NO EVENT SHALL ARIN BE LIABLE FOR ANY SPECIAL, DIRECT,
+# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+# PERFORMANCE OF THIS SOFTWARE.
+
+""" ROA (Route Origin Authorization).
+
+At the moment this is just the ASN.1 encoder.
+
+This corresponds to draft-ietf-sidr-roa-format-01, which is a work in
+progress, so this may need updating later.
+"""
+
+from POW._der import *
+
+class IPAddresses(SequenceOf):
+  def __init__(self, optional=0, default=''):
+    SequenceOf.__init__(self, BitString, optional, default)
+
+class ROAIPAddressFamily(Sequence):
+  def __init__(self, optional=0, default=''):
+    self.addressFamily = OctetString()
+    self.addresses = IPAddresses()
+    contents = [ self.addressFamily, self.addresses ]
+    Sequence.__init__(self, contents, optional, default)
+
+class ROAIPAddrBlocks(SequenceOf):
+  def __init__(self, optional=0, default=''):
+    SequenceOf.__init__(self,  ROAIPAddressFamily, optional, default)
+ 
+class RouteOriginAttestation(Sequence):
+  def __init__(self, optional=0, default=''):
+    self.version = Integer(0, chr(0x00))
+    self.asID = Integer()
+    self.exactMatch = Boolean()
+    self.ipAddrBlocks = ROAIPAddrBlocks()
+    contents = [ self.version, self.asID, self.exactMatch, self.ipAddrBlocks ]
+    Sequence.__init__(self, contents, optional, default)