ROA

svn path=/scripts/rpki/roa.py; revision=746

1 files changed, 30 insertions, 0 deletions

diff --git a/scripts/rpki/roa.py b/scripts/rpki/roa.py
new file mode 100644
index 00000000..f6996f4c
--- /dev/null
+++ b/scripts/rpki/roa.py
@@ -0,0 +1,30 @@
+# $Id$
+
+from POW._der import *
+
+# This corresponds to draft-ietf-sidr-roa-format-01, which is a work
+# in progress, so this may need updating later.
+
+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)