/
generate-tests.py
127 lines (95 loc) · 4.65 KB
/
generate-tests.py
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# The MIT License (MIT)
#
# Copyright (c) 2014 Richard Moore
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
# This file is a modified version of the test suite for pyaes (https://www.github.com/ricmoo/pyaes/)
import json
class NoIndent(object):
def __init__(self, value):
self.value = value
def default(o, encoder=json.JSONEncoder()):
if isinstance(o, NoIndent):
return '__' + json.dumps(o.value) + '__'
return encoder.default(o)
import os, time
Tests = []
# compare against a known working implementation
from Crypto.Cipher import AES as KAES
from Crypto.Util import Counter as KCounter
for mode in [ 'CBC', 'CTR', 'CFB', 'ECB', 'OFB' ]:
(tt_ksetup, tt_kencrypt, tt_kdecrypt) = (0.0, 0.0, 0.0)
(tt_setup, tt_encrypt, tt_decrypt) = (0.0, 0.0, 0.0)
count = 0
for key_size in (128, 192, 256):
for test in xrange(1, 8):
key = os.urandom(key_size // 8)
iv = None
segment_size = None
if mode == 'CBC':
iv = os.urandom(16)
text_length = [None, 16, 16, 16, 32, 48, 64, 64, 64][test]
if test == 1:
plaintext = [ '' ]
else:
plaintext = [ os.urandom(text_length) for x in xrange(0, test) ]
kaes = KAES.new(key, KAES.MODE_CBC, IV = iv)
kaes2 = KAES.new(key, KAES.MODE_CBC, IV = iv)
elif mode == 'CFB':
iv = os.urandom(16)
plaintext = [ os.urandom(test * 5) for x in xrange(0, test) ]
kaes = KAES.new(key, KAES.MODE_CFB, IV = iv, segment_size = test * 8)
kaes2 = KAES.new(key, KAES.MODE_CFB, IV = iv, segment_size = test * 8)
segment_size = test
elif mode == 'ECB':
text_length = [None, 16, 16, 16, 32, 48, 64, 64, 64][test]
if test == 1:
plaintext = [ '' ]
else:
plaintext = [ os.urandom(text_length) for x in xrange(0, test) ]
kaes = KAES.new(key, KAES.MODE_ECB)
kaes2 = KAES.new(key, KAES.MODE_ECB)
elif mode == 'OFB':
iv = os.urandom(16)
plaintext = [ os.urandom(16) for x in xrange(0, test) ]
kaes = KAES.new(key, KAES.MODE_OFB, IV = iv)
kaes2 = KAES.new(key, KAES.MODE_OFB, IV = iv)
elif mode == 'CTR':
text_length = [None, 3, 16, 127, 128, 129, 1500, 10000, 100000, 10001, 10002, 10003, 10004, 10005, 10006, 10007, 10008][test]
if test < 6:
plaintext = [ os.urandom(text_length) ]
else:
plaintext = [ os.urandom(text_length) for x in xrange(0, test) ]
kaes = KAES.new(key, KAES.MODE_CTR, counter = KCounter.new(128, initial_value = 0))
kaes2 = KAES.new(key, KAES.MODE_CTR, counter = KCounter.new(128, initial_value = 0))
count += 1
kenc = [kaes.encrypt(p) for p in plaintext]
iv_enc = None
if iv:
iv_enc = NoIndent([ord(x) for x in iv])
Tests.append(dict(
encrypted = [NoIndent([ord(x) for x in chunk]) for chunk in kenc],
iv = iv_enc,
key = NoIndent([ord(x) for x in key]),
modeOfOperation = mode.lower(),
plaintext = [NoIndent([ord(x) for x in chunk]) for chunk in plaintext],
segmentSize = segment_size,
))
dt1 = [kaes2.decrypt(k) for k in kenc]
print json.dumps(Tests, indent = 4, sort_keys = True, default = default).replace('"__', '').replace('__"', '')