diff options
| -rwxr-xr-x | demos/demo_keygen.py | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/demos/demo_keygen.py b/demos/demo_keygen.py new file mode 100755 index 00000000..9a95aa42 --- /dev/null +++ b/demos/demo_keygen.py @@ -0,0 +1,127 @@ +#!/usr/bin/env python + +# Copyright (C) 2010 Sofian Brabez <sbz@6dev.net> +# +# This file is part of paramiko. +# +# Paramiko is free software; you can redistribute it and/or modify it under the +# terms of the GNU Lesser General Public License as published by the Free +# Software Foundation; either version 2.1 of the License, or (at your option) +# any later version. +# +# Paramiko is distrubuted 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 Lesser General Public License for more +# details. +# +# You should have received a copy of the GNU Lesser General Public License +# along with Paramiko; if not, write to the Free Software Foundation, Inc., +# 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. +from __future__ import with_statement + +import string +import sys + +from binascii import hexlify +from optparse import OptionParser + +from paramiko import DSSKey +from paramiko import RSAKey +from paramiko.ssh_exception import SSHException + +usage=""" +%prog [-v] [-b bits] -t type [-N new_passphrase] [-f output_keyfile]""" + +default_values = { + "ktype": "dsa", + "bits": 1024, + "filename": "output", + "comment": "" +} + +key_dispatch_table = { + 'dsa': DSSKey, + 'rsa': RSAKey, +} + +def progress(arg=None): + + if not arg: + print '0%\x08\x08\x08', + sys.stdout.flush() + elif arg[0] == 'p': + print '25%\x08\x08\x08\x08', + sys.stdout.flush() + elif arg[0] == 'h': + print '50%\x08\x08\x08\x08', + sys.stdout.flush() + elif arg[0] == 'x': + print '75%\x08\x08\x08\x08', + sys.stdout.flush() + +if __name__ == '__main__': + + phrase=None + pfunc=None + + parser = OptionParser(usage=usage) + parser.add_option("-t", "--type", type="string", dest="ktype", + help="Specify type of key to create (dsa or rsa)", + metavar="ktype", default=default_values["ktype"]) + parser.add_option("-b", "--bits", type="int", dest="bits", + help="Number of bits in the key to create", metavar="bits", + default=default_values["bits"]) + parser.add_option("-N", "--new-passphrase", dest="newphrase", + help="Provide new passphrase", metavar="phrase") + parser.add_option("-P", "--old-passphrase", dest="oldphrase", + help="Provide old passphrase", metavar="phrase") + parser.add_option("-f", "--filename", type="string", dest="filename", + help="Filename of the key file", metavar="filename", + default=default_values["filename"]) + parser.add_option("-q", "--quiet", default=False, action="store_false", + help="Quiet") + parser.add_option("-v", "--verbose", default=False, action="store_true", + help="Verbose") + parser.add_option("-C", "--comment", type="string", dest="comment", + help="Provide a new comment", metavar="comment", + default=default_values["comment"]) + + (options, args) = parser.parse_args() + + if len(sys.argv) == 1: + parser.print_help() + sys.exit(0) + + for o in default_values.keys(): + globals()[o] = getattr(options, o, default_values[string.lower(o)]) + + if options.newphrase: + phrase = getattr(options, 'newphrase') + + if options.verbose: + pfunc = progress + sys.stdout.write("Generating priv/pub %s %d bits key pair (%s/%s.pub)..." % (ktype, bits, filename, filename)) + sys.stdout.flush() + + if ktype == 'dsa' and bits > 1024: + raise SSHException("DSA Keys must be 1024 bits") + + if not key_dispatch_table.has_key(ktype): + raise SSHException("Unknown %s algorithm to generate keys pair" % ktype) + + # generating private key + prv = key_dispatch_table[ktype].generate(bits=bits, progress_func=pfunc) + prv.write_private_key_file(filename, password=phrase) + + # generating public key + pub = key_dispatch_table[ktype](filename=filename, password=phrase) + with open("%s.pub" % filename, 'w') as f: + f.write("%s %s" % (pub.get_name(), pub.get_base64())) + if options.comment: + f.write(" %s" % comment) + + if options.verbose: + print "done." + + hash = hexlify(pub.get_fingerprint()) + print "Fingerprint: %d %s %s.pub (%s)" % (bits, ":".join([ hash[i:2+i] for i in range(0, len(hash), 2)]), filename, string.upper(ktype)) |