1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
|
#!/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 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 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.
import sys
from binascii import hexlify
from optparse import OptionParser
from paramiko import DSSKey
from paramiko import RSAKey
from paramiko.ssh_exception import SSHException
from paramiko.py3compat import u
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:
sys.stdout.write("0%\x08\x08\x08 ")
sys.stdout.flush()
elif arg[0] == "p":
sys.stdout.write("25%\x08\x08\x08\x08 ")
sys.stdout.flush()
elif arg[0] == "h":
sys.stdout.write("50%\x08\x08\x08\x08 ")
sys.stdout.flush()
elif arg[0] == "x":
sys.stdout.write("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 list(default_values.keys()):
globals()[o] = getattr(options, o, default_values[o.lower()])
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 ktype not in key_dispatch_table:
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 = u(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,
ktype.upper(),
)
)
|
