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#!/usr/bin/python
import unittest
# Add build directory to search path
import os
if os.path.exists("build"):
from distutils.util import get_platform
import sys
s = "build/lib.%s-%.3s" % (get_platform(), sys.version)
s = os.path.join(os.getcwd(), s)
sys.path.insert(0,s)
from mhash import *
class TestMHASH(unittest.TestCase):
"Test MHASH class."
DATA = [
(MHASH_MD5,
["this is a test phrase"],
"71f89553d9ad6b512659cac8f25f4732",
"q\xf8\x95S\xd9\xadkQ&Y\xca\xc8\xf2_G2"),
(MHASH_MD5,
["this is a test phrase", "this is a second test phrase"],
"a9a49032a2ab83d50d3945ea9670ebc0",
"\xa9\xa4\x902\xa2\xab\x83\xd5\r9E\xea\x96p\xeb\xc0"),
]
def testInitWithoutArgs(self):
"Init should raise TypeError if called without arguments"
self.assertRaises(TypeError, MHASH)
def testInitWithInvalidHash(self):
"Init should raise ValueError if called with an invalid hash"
self.assertRaises(ValueError, MHASH, 1000)
def testInit(self):
"Try to create valid objects with every algorithm"
for name, value in locals().items():
if name[:6] == "MHASH_":
m = MHASH(value)
def testHexDigest(self):
"Test hexdigest() with some predefined data"
for type, strings, hexdigest, digest in self.DATA:
m = MHASH(type)
for s in strings:
m.update(s)
self.assertEqual(m.hexdigest(), hexdigest)
def testDigest(self):
"Test digest() with some predefined data"
for type, strings, hexdigest, digest in self.DATA:
m = MHASH(type)
for s in strings:
m.update(s)
self.assertEqual(m.digest(), digest)
def testInitHexDigest(self):
"Test hexdigest() using init with some predefined data"
for type, strings, hexdigest, digest in self.DATA:
m = MHASH(type, "".join(strings))
self.assertEqual(m.hexdigest(), hexdigest)
def testInitDigest(self):
"Test digest() using init with some predefined data"
for type, strings, hexdigest, digest in self.DATA:
m = MHASH(type, "".join(strings))
self.assertEqual(m.digest(), digest)
def testSubclass(self):
"Test subclassing MHASH"
class MyMHASH(MHASH):
def __init__(self, type):
MHASH.__init__(self, type)
def update(self, str):
MHASH.update(self, str)
def digest(self):
return MHASH.digest(self)
def hexdigest(self):
return MHASH.hexdigest(self)
for type, strings, hexdigest, digest in self.DATA:
m = MyMHASH(type)
for s in strings:
m.update(s)
self.assertEqual(m.hexdigest(), hexdigest)
self.assertEqual(m.digest(), digest)
class TestHMAC(unittest.TestCase):
"Test HMAC class."
DATA = [
(MHASH_SHA1, "password",
["this is a test phrase"],
"e0ac4d6e7dfce923658b1aa2ff7a99ab70cf572b",
"\xe0\xacMn}\xfc\xe9#e\x8b\x1a\xa2\xffz\x99\xabp\xcfW+"),
(MHASH_SHA1, "password",
["this is a test phrase", "this is a second test phrase"],
"8498ce21a4739b22d88a85f4189070e4c8f243b7",
"\x84\x98\xce!\xa4s\x9b\"\xd8\x8a\x85\xf4\x18\x90p\xe4\xc8\xf2C\xb7"),
]
def testInitWithoutArgs(self):
"Init should raise TypeError if called without arguments"
self.assertRaises(TypeError, HMAC)
def testInitWithInvalidHash(self):
"Init should raise ValueError if called with an invalid hash"
self.assertRaises(ValueError, HMAC, 1000, "password")
def testInit(self):
"Try to create valid objects with every algorithm"
for name, value in locals().items():
if name[:6] == "MHASH_":
m = HMAC(value, "password")
def testHexDigest(self):
"Test hexdigest() with some predefined data"
for type, password, strings, hexdigest, digest in self.DATA:
m = HMAC(type, password)
for s in strings:
m.update(s)
self.assertEqual(m.hexdigest(), hexdigest)
def testDigest(self):
"Test digest() with some predefined data"
for type, password, strings, hexdigest, digest in self.DATA:
m = HMAC(type, password)
for s in strings:
m.update(s)
self.assertEqual(m.digest(), digest)
def testInitHexDigest(self):
"Test hexdigest() using init with some predefined data"
for type, password, strings, hexdigest, digest in self.DATA:
m = HMAC(type, password, "".join(strings))
self.assertEqual(m.hexdigest(), hexdigest)
def testInitDigest(self):
"Test digest() using init with some predefined data"
for type, password, strings, hexdigest, digest in self.DATA:
m = HMAC(type, password, "".join(strings))
self.assertEqual(m.digest(), digest)
def testSubclass(self):
"Test subclassing HMAC"
class MyHMAC(HMAC):
def __init__(self, type, password):
HMAC.__init__(self, type, password)
def update(self, str):
HMAC.update(self, str)
def digest(self):
return HMAC.digest(self)
def hexdigest(self):
return HMAC.hexdigest(self)
for type, password, strings, hexdigest, digest in self.DATA:
m = MyHMAC(type, password)
for s in strings:
m.update(s)
self.assertEqual(m.hexdigest(), hexdigest)
self.assertEqual(m.digest(), digest)
class TestHashFunctions(unittest.TestCase):
"Testcase for hash functions."
def testHashName(self):
"Test hash_name() function"
for name, value in globals().items():
if name[:6] == "MHASH_":
# This seem to be the rule so far
self.assertEqual(hash_name(value), name[6:])
class TestKeygenFunctions(unittest.TestCase):
"Testcase for keygen functions."
DATA = [
((KEYGEN_MCRYPT, "password", 10),
"_M\xcc;Z\xa7e\xd6\x1d\x83"),
((KEYGEN_MCRYPT, "password", 20, MHASH_SHA1),
"[\xaaa\xe4\xc9\xb9??\x06\x82%\x0bl\xf83\x1b~\xe6\x8f\xd8"),
((KEYGEN_S2K_ISALTED, "password", 15, MHASH_SHA256, "12345678", 17),
"27A\xf7\t\xf4\x18M\x8b\xb5\x01\xebJb\xe0"),
]
SALTSIZE = [(KEYGEN_MCRYPT, 0),
(KEYGEN_S2K_SALTED, 8),
(KEYGEN_S2K_ISALTED, 8)]
def testKeygen(self):
"Generate some known keys"
for args, result in self.DATA:
self.assertEqual(keygen(*args), result)
def testKeygenNoArguments(self):
"Function keygen raises TypeError when not using enough arguments"
args = (KEYGEN_MCRYPT, "password")
self.assertRaises(TypeError, keygen, *args)
def testKeygenSmallSalt(self):
"Function keygen raises ValueError when salt is smaller than expected"
args = (KEYGEN_S2K_SALTED, "password", 10, MHASH_SHA1, "1234567")
self.assertRaises(ValueError, keygen, *args)
def testKeygenWithEveryKeygenid(self):
"Try to create a key with every keygenid and hashid"
password = "mypassword"
keysize = 10
for name, keygenid in globals().items():
if name[:7] == "KEYGEN_":
salt = "x"*keygen_salt_size(keygenid)
for name, hashid in globals().items():
if name[:6] == "MHASH_":
key = keygen(keygenid, password, keysize, hashid, salt)
self.assertEqual(len(key), keysize)
def testKeygenName(self):
"Test keygen_name() function"
for name, value in globals().items():
if name[:7] == "KEYGEN_":
# This seem to be the rule so far
self.assertEqual(keygen_name(value), name[7:])
def testUsesCount(self):
"Test keygen_uses_count() function"
self.assertEqual(keygen_uses_count(KEYGEN_S2K_ISALTED), 1)
def testUsesHash(self):
"Test keygen_uses_hashid() function"
self.assertEqual(keygen_uses_hashid(KEYGEN_MCRYPT), 1)
def testUsesSalt(self):
"Test keygen_uses_count() function"
self.assertEqual(keygen_uses_salt(KEYGEN_S2K_ISALTED), 1)
def testSaltSize(self):
"Test keygen_salt_size() function"
for keygenid, saltsize in self.SALTSIZE:
self.assertEqual(keygen_salt_size(keygenid), saltsize)
def testMaxKeySize(self):
"Test keygen_max_key_size() function"
self.assertEqual(keygen_max_key_size(KEYGEN_MCRYPT), 0)
if __name__ == "__main__":
unittest.main()
# vim:ts=4:sw=4
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