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# -*- 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.
'''Unittest for saving and loading keys.'''
import base64
import unittest
import os.path
from rsa._compat import b
import rsa.key
B64PRIV_DER = b('MC4CAQACBQDeKYlRAgMBAAECBQDHn4npAgMA/icCAwDfxwIDANcXAgInbwIDAMZt')
PRIVATE_DER = base64.standard_b64decode(B64PRIV_DER)
B64PUB_DER = b('MAwCBQDeKYlRAgMBAAE=')
PUBLIC_DER = base64.standard_b64decode(B64PUB_DER)
PRIVATE_PEM = b('''
-----BEGIN CONFUSING STUFF-----
Cruft before the key
-----BEGIN RSA PRIVATE KEY-----
Comment: something blah
%s
-----END RSA PRIVATE KEY-----
Stuff after the key
-----END CONFUSING STUFF-----
''' % B64PRIV_DER.decode("utf-8"))
CLEAN_PRIVATE_PEM = b('''\
-----BEGIN RSA PRIVATE KEY-----
%s
-----END RSA PRIVATE KEY-----
''' % B64PRIV_DER.decode("utf-8"))
PUBLIC_PEM = b('''
-----BEGIN CONFUSING STUFF-----
Cruft before the key
-----BEGIN RSA PUBLIC KEY-----
Comment: something blah
%s
-----END RSA PUBLIC KEY-----
Stuff after the key
-----END CONFUSING STUFF-----
''' % B64PUB_DER.decode("utf-8"))
CLEAN_PUBLIC_PEM = b('''\
-----BEGIN RSA PUBLIC KEY-----
%s
-----END RSA PUBLIC KEY-----
''' % B64PUB_DER.decode("utf-8"))
class DerTest(unittest.TestCase):
'''Test saving and loading DER keys.'''
def test_load_private_key(self):
'''Test loading private DER keys.'''
key = rsa.key.PrivateKey.load_pkcs1(PRIVATE_DER, 'DER')
expected = rsa.key.PrivateKey(3727264081, 65537, 3349121513, 65063, 57287)
self.assertEqual(expected, key)
def test_save_private_key(self):
'''Test saving private DER keys.'''
key = rsa.key.PrivateKey(3727264081, 65537, 3349121513, 65063, 57287)
der = key.save_pkcs1('DER')
self.assertEqual(PRIVATE_DER, der)
def test_load_public_key(self):
'''Test loading public DER keys.'''
key = rsa.key.PublicKey.load_pkcs1(PUBLIC_DER, 'DER')
expected = rsa.key.PublicKey(3727264081, 65537)
self.assertEqual(expected, key)
def test_save_public_key(self):
'''Test saving public DER keys.'''
key = rsa.key.PublicKey(3727264081, 65537)
der = key.save_pkcs1('DER')
self.assertEqual(PUBLIC_DER, der)
class PemTest(unittest.TestCase):
'''Test saving and loading PEM keys.'''
def test_load_private_key(self):
'''Test loading private PEM files.'''
key = rsa.key.PrivateKey.load_pkcs1(PRIVATE_PEM, 'PEM')
expected = rsa.key.PrivateKey(3727264081, 65537, 3349121513, 65063, 57287)
self.assertEqual(expected, key)
def test_save_private_key(self):
'''Test saving private PEM files.'''
key = rsa.key.PrivateKey(3727264081, 65537, 3349121513, 65063, 57287)
pem = key.save_pkcs1('PEM')
self.assertEqual(CLEAN_PRIVATE_PEM, pem)
def test_load_public_key(self):
'''Test loading public PEM files.'''
key = rsa.key.PublicKey.load_pkcs1(PUBLIC_PEM, 'PEM')
expected = rsa.key.PublicKey(3727264081, 65537)
self.assertEqual(expected, key)
def test_save_public_key(self):
'''Test saving public PEM files.'''
key = rsa.key.PublicKey(3727264081, 65537)
pem = key.save_pkcs1('PEM')
self.assertEqual(CLEAN_PUBLIC_PEM, pem)
def test_load_from_disk(self):
"""Test loading a PEM file from disk."""
fname = os.path.join(os.path.dirname(__file__), 'private.pem')
with open(fname, mode='rb') as privatefile:
keydata = privatefile.read()
privkey = rsa.key.PrivateKey.load_pkcs1(keydata)
self.assertEqual(15945948582725241569, privkey.p)
self.assertEqual(14617195220284816877, privkey.q)
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