1 files changed, 105 insertions, 0 deletions
diff --git a/utils-python/seppl_common.py b/utils-python/seppl_common.py
new file mode 100644
index 0000000..59e7f96
--- /dev/null
+++ b/utils-python/seppl_common.py
@@ -0,0 +1,105 @@
+#!/usr/bin/perl
+
+# $Id$
+#
+# This file is part of seppl.
+#
+# seppl is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# seppl is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with seppl; if not, write to the Free Software Foundation,
+# Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+
+from struct import *
+import re, string, sys
+
+algs = { 0 : ('aes', 128), 1 : ('aes', 192)  }
+
+def find_alg_by_number(a):
+	global algs
+
+	if algs.has_key(a):
+		return algs[a];
+	else:
+		return ('unknown', 0)
+
+def find_alg_by_name(n, b):
+	global algs
+
+	for i in algs.keys():
+		if algs[i][0] == n and algs[i][1] == b:
+			return i
+
+	return -1
+
+def strhex(s):
+	r = ""
+	for i in range(len(s)):
+		(b,) = unpack("B", s[i])
+		r = "%s:%02x" % (r, b)
+
+	return r[1:]
+
+def dump_key_xml(a, name, key):
+	alg, bits = find_alg_by_number(a)
+
+	if bits == 0:
+		sys.stderr.write("ERROR: Algorithm not found\n")
+		return -1
+	
+	print "<key>"
+	print "  <name>%s</name>" % name
+	print "  <algorithm>%s</algorithm>" % alg
+	print "  <bits>%u</bits>" % bits
+	print "  <data>%s</data>" % strhex(key)
+	print "</key>"
+
+	return 0
+
+def dump_key_bin(a, name, key):
+	alg, bits = find_alg_by_number(a)
+
+	if bits == 0:
+		sys.stderr.write("ERROR: Algorithm not found\n")
+		return -1
+
+	if len(key) != bits/8:
+		sys.stderr.write("ERROR: Key has wrong size\n")
+		return -1
+
+	name = name.encode("iso8859-1", 'ignore')
+
+	sys.stdout.write(pack("B7s", a, name[:7]))
+	sys.stdout.write(key)
+	sys.stdout.flush()
+
+def parse_key(data):
+
+	k = ""
+
+	r = re.compile("^([0-9A-Fa-f][0-9A-Fa-f])")
+
+	while len(data) > 0:
+		m = r.match(data+":")
+
+		if m == None:
+			return None
+
+		k += pack("B", string.atoi(m.group(0), 16))
+
+		data = data[3:]
+
+	return k
+
+	
+		
+
+