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#!/usr/bin/env python
import binascii
from collections import OrderedDict
import unittest
import argparse
import re
import subprocess
import sys
import os.path
import vecparser
cli_binary = ""
SUPPORTED_ALGORITHMS = [
'AES-128/CFB',
'AES-192/CFB',
'AES-256/CFB',
'AES-128/GCM',
'AES-192/GCM',
'AES-256/GCM',
'AES-128/OCB',
'AES-128/XTS',
'AES-256/XTS',
'ChaCha20Poly1305',
]
def append_ordered(base, additional_elements):
for key in additional_elements:
value = additional_elements[key]
base[key] = value
class TestSequence(unittest.TestCase):
pass
def create_test(data):
def do_test_expected(self):
iv = data['Nonce']
key = data['Key']
ad = data['AD'] if 'AD' in data else ""
plaintext = data['In'].lower()
ciphertext = data['Out'].lower()
algorithm = data['Algorithm']
direction = data['Direction']
# CFB
if algorithm == "AES-128/CFB":
mode = "aes-128-cfb"
elif algorithm == "AES-192/CFB":
mode = "aes-192-cfb"
elif algorithm == "AES-256/CFB":
mode = "aes-256-cfb"
# GCM
elif algorithm == "AES-128/GCM":
mode = "aes-128-gcm"
elif algorithm == "AES-192/GCM":
mode = "aes-192-gcm"
elif algorithm == "AES-256/GCM":
mode = "aes-256-gcm"
# OCB
elif algorithm == "AES-128/OCB":
mode = "aes-128-ocb"
# XTS
elif algorithm == "AES-128/XTS":
mode = "aes-128-xts"
elif algorithm == "AES-256/XTS":
mode = "aes-256-xts"
# ChaCha20Poly1305
elif algorithm == "ChaCha20Poly1305":
mode = "chacha20poly1305"
else:
raise Exception("Unknown algorithm: '" + algorithm + "'")
cmd = [
cli_binary,
"encryption",
"--mode=%s" % mode,
"--iv=%s" % iv,
"--ad=%s" % ad,
"--key=%s" % key]
if direction == "decrypt":
cmd += ['--decrypt']
# out_raw = subprocess.check_output(cmd)
if direction == "decrypt":
invalue = ciphertext
else:
invalue = plaintext
#print(cmd)
p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stdin=subprocess.PIPE, stderr=subprocess.PIPE)
out_raw = p.communicate(input=binascii.unhexlify(invalue))[0]
out = binascii.hexlify(out_raw).decode("UTF-8").lower()
# Renamings
if direction == "decrypt":
expected = plaintext
else:
expected = ciphertext
actual = out
self.assertEqual(expected, actual)
return do_test_expected
def get_testdata(document, max_tests):
out = OrderedDict()
for algorithm in document:
if algorithm in SUPPORTED_ALGORITHMS:
testcase_number = 0
for testcase in document[algorithm]:
testcase_number += 1
for direction in ['encrypt', 'decrypt']:
testname = "{} no {:0>3} ({})".format(
algorithm.lower(), testcase_number, direction)
testname = re.sub("[^-a-z0-9-]", "_", testname)
testname = re.sub("_+", "_", testname)
testname = testname.strip("_")
out[testname] = {}
for key in testcase:
value = testcase[key]
out[testname][key] = value
out[testname]['Algorithm'] = algorithm
out[testname]['Direction'] = direction
if max_tests > 0 and testcase_number > max_tests:
break
return out
if __name__ == '__main__':
parser = argparse.ArgumentParser(description="")
parser.add_argument('cli_binary',
help='path to the botan cli binary')
parser.add_argument('--max-tests', type=int, default=20)
parser.add_argument('unittest_args', nargs="*")
args = parser.parse_args()
cli_binary = args.cli_binary
max_tests = args.max_tests
vecfile_cfb = vecparser.VecDocument(os.path.join('src', 'tests', 'data', 'modes', 'cfb.vec'))
vecfile_gcm = vecparser.VecDocument(os.path.join('src', 'tests', 'data', 'aead', 'gcm.vec'))
vecfile_ocb = vecparser.VecDocument(os.path.join('src', 'tests', 'data', 'aead', 'ocb.vec'))
vecfile_xts = vecparser.VecDocument(os.path.join('src', 'tests', 'data', 'modes', 'xts.vec'))
vecfile_chacha20poly1305 = vecparser.VecDocument(os.path.join('src', 'tests', 'data', 'aead', 'chacha20poly1305.vec'))
#data = vecfile.get_data()
#for algo in data:
# print(algo)
# i = 0
# for testcase in data[algo]:
# i += 1
# print(str(i) + ":", testcase)
testdata = OrderedDict()
append_ordered(testdata, get_testdata(vecfile_cfb.get_data(), max_tests))
append_ordered(testdata, get_testdata(vecfile_gcm.get_data(), max_tests))
append_ordered(testdata, get_testdata(vecfile_ocb.get_data(), max_tests))
append_ordered(testdata, get_testdata(vecfile_xts.get_data(), max_tests))
append_ordered(testdata, get_testdata(vecfile_chacha20poly1305.get_data(), max_tests))
#for testname in testdata:
# print(testname)
# for key in testdata[testname]:
# print(" " + key + ": " + testdata[testname][key])
for testname in testdata:
test_method = create_test(testdata[testname])
test_method.__name__ = 'test_%s' % testname
setattr(TestSequence, test_method.__name__, test_method)
# Hand over sys.argv[0] and unittest_args to the testing framework
sys.argv[1:] = args.unittest_args
unittest.main()
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