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#!/usr/bin/perl
# $Id: Makefile.am 40 2003-10-27 18:32:45Z lennart $
#
# 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
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