/usr/lib/python2.7/dist-packages/novaclient/crypto.py is in python-novaclient 1:2.17.0-0ubuntu1.
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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 | # Copyright 2013 Nebula, Inc.
# All Rights Reserved.
#
# 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.
import base64
import subprocess
class DecryptionFailure(Exception):
pass
def decrypt_password(private_key, password):
"""Base64 decodes password and unecrypts it with private key.
Requires openssl binary available in the path.
"""
unencoded = base64.b64decode(password)
cmd = ['openssl', 'rsautl', '-decrypt', '-inkey', private_key]
proc = subprocess.Popen(cmd, stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
out, err = proc.communicate(unencoded)
proc.stdin.close()
if proc.returncode:
raise DecryptionFailure(err)
return out
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