Added pyrsa-keygen CLI script
diff --git a/rsa/cli.py b/rsa/cli.py
new file mode 100644
index 0000000..cb7e1a6
--- /dev/null
+++ b/rsa/cli.py
@@ -0,0 +1,79 @@
+# -*- coding: utf-8 -*-
+#
+# Copyright 2011 Sybren A. Stüvel <sybren@stuvel.eu>
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+'''Commandline scripts.
+
+'''
+
+import sys
+from optparse import OptionParser
+
+import rsa
+import rsa.bigfile
+
+def keygen():
+ # Parse the CLI options
+ parser = OptionParser(usage='usage: %prog [options] keysize',
+ description='Generates a new RSA keypair of "keysize" bits.')
+
+ parser.add_option('--pubout', type='string',
+ help='Output filename for the public key. The public key is '
+ 'not saved if this option is not present. You can use '
+ 'pyrsa-priv2pub to create the public key file later.')
+
+ parser.add_option('--privout', type='string',
+ help='Output filename for the private key. The key is '
+ 'written to stdout if this option is not present.')
+
+ parser.add_option('--form',
+ help='key format of the private and public keys - default PEM',
+ choices=('PEM', 'DER'), default='PEM')
+
+ (cli, cli_args) = parser.parse_args(sys.argv[1:])
+
+ if len(cli_args) != 1:
+ parser.print_help()
+ raise SystemExit(1)
+
+ try:
+ keysize = int(cli_args[0])
+ except ValueError:
+ parser.print_help()
+ print >>sys.stderr, 'Not a valid number: %s' % cli_args[0]
+ raise SystemExit(1)
+
+ print >>sys.stderr, 'Generating %i-bit key' % keysize
+ (pub_key, priv_key) = rsa.newkeys(keysize)
+
+
+ # Save public key
+ if cli.pubout:
+ print >>sys.stderr, 'Writing public key to %s' % cli.pubout
+ data = pub_key.save_pkcs1(format=cli.form)
+ with open(cli.pubout, 'w') as outfile:
+ outfile.write(data)
+
+ # Save private key
+ data = priv_key.save_pkcs1(format=cli.form)
+
+ if cli.privout:
+ print >>sys.stderr, 'Writing private key to %s' % cli.privout
+ with open(cli.privout, 'w') as outfile:
+ outfile.write(data)
+ else:
+ print >>sys.stderr, 'Writing private key to stdout'
+ sys.stdout.write(data)
+
diff --git a/setup.py b/setup.py
index 55a2c6b..8f3a726 100755
--- a/setup.py
+++ b/setup.py
@@ -34,6 +34,7 @@
],
entry_points={ 'console_scripts': [
'pyrsa-priv2pub = rsa.util:private_to_public',
+ 'pyrsa-keygen = rsa.cli:keygen',
]},
)