New upstream version 3.1.1

legacy/gen_keyfile.py

@@ -0,0 +1,44 @@
+#!/usr/bin/env python
+
+# (c) 2009 Richard Andrews <andrews@ntop.org>
+
+# Program to generate a n2n_edge key schedule file for twofish keys
+# Each key line consists of the following element
+# <from> <until> <txfrm> <opaque>
+#
+# where <from>, <until> are UNIX time_t values of key valid period
+#       <txfrm> is the transform ID (=2 for twofish)
+#       <opaque> is twofish-specific data as follows
+# <sec_id>_<hex_key>
+
+import os
+import sys
+import time
+import random
+
+NUM_KEYS=30
+KEY_LIFE=300
+KEY_LEN=16
+
+now=time.time()
+start_sa=random.randint( 0, 0xffffffff )
+
+random.seed(now) # note now is a floating point time value
+
+def rand_key():
+    key=str()
+    for i in range(0,KEY_LEN):
+        key += "%02x"%( random.randint( 0, 255) )
+
+    return key
+
+for i in range(0,NUM_KEYS):
+    from_time  = now + (KEY_LIFE * (i-1) )
+    until_time = now + (KEY_LIFE * (i+1) )
+    key = rand_key()
+    sa_idx = start_sa + i
+    transform_id = random.randint( 2, 3 )
+
+    sys.stdout.write("%d %d %d %d_%s\n"%(from_time, until_time, transform_id,sa_idx, key) )
+
+