mirror of https://github.com/python/cpython
115 lines
3.6 KiB
Python
115 lines
3.6 KiB
Python
import hmac
|
|
import unittest
|
|
from test import test_support
|
|
|
|
class TestVectorsTestCase(unittest.TestCase):
|
|
|
|
def test_vectors(self):
|
|
# Test the HMAC module against test vectors from the RFC.
|
|
|
|
def md5test(key, data, digest):
|
|
h = hmac.HMAC(key, data)
|
|
self.failUnless(h.hexdigest().upper() == digest.upper())
|
|
|
|
md5test(chr(0x0b) * 16,
|
|
"Hi There",
|
|
"9294727A3638BB1C13F48EF8158BFC9D")
|
|
|
|
md5test("Jefe",
|
|
"what do ya want for nothing?",
|
|
"750c783e6ab0b503eaa86e310a5db738")
|
|
|
|
md5test(chr(0xAA)*16,
|
|
chr(0xDD)*50,
|
|
"56be34521d144c88dbb8c733f0e8b3f6")
|
|
|
|
class ConstructorTestCase(unittest.TestCase):
|
|
|
|
def test_normal(self):
|
|
# Standard constructor call.
|
|
failed = 0
|
|
try:
|
|
h = hmac.HMAC("key")
|
|
except:
|
|
self.fail("Standard constructor call raised exception.")
|
|
|
|
def test_withtext(self):
|
|
# Constructor call with text.
|
|
try:
|
|
h = hmac.HMAC("key", "hash this!")
|
|
except:
|
|
self.fail("Constructor call with text argument raised exception.")
|
|
|
|
def test_withmodule(self):
|
|
# Constructor call with text and digest module.
|
|
import sha
|
|
try:
|
|
h = hmac.HMAC("key", "", sha)
|
|
except:
|
|
self.fail("Constructor call with sha module raised exception.")
|
|
|
|
class SanityTestCase(unittest.TestCase):
|
|
|
|
def test_default_is_md5(self):
|
|
# Testing if HMAC defaults to MD5 algorithm.
|
|
import md5
|
|
h = hmac.HMAC("key")
|
|
self.failUnless(h.digestmod == md5)
|
|
|
|
def test_exercise_all_methods(self):
|
|
# Exercising all methods once.
|
|
# This must not raise any exceptions
|
|
try:
|
|
h = hmac.HMAC("my secret key")
|
|
h.update("compute the hash of this text!")
|
|
dig = h.digest()
|
|
dig = h.hexdigest()
|
|
h2 = h.copy()
|
|
except:
|
|
self.fail("Exception raised during normal usage of HMAC class.")
|
|
|
|
class CopyTestCase(unittest.TestCase):
|
|
|
|
def test_attributes(self):
|
|
# Testing if attributes are of same type.
|
|
h1 = hmac.HMAC("key")
|
|
h2 = h1.copy()
|
|
self.failUnless(h1.digestmod == h2.digestmod,
|
|
"Modules don't match.")
|
|
self.failUnless(type(h1.inner) == type(h2.inner),
|
|
"Types of inner don't match.")
|
|
self.failUnless(type(h1.outer) == type(h2.outer),
|
|
"Types of outer don't match.")
|
|
|
|
def test_realcopy(self):
|
|
# Testing if the copy method created a real copy.
|
|
h1 = hmac.HMAC("key")
|
|
h2 = h1.copy()
|
|
# Using id() in case somebody has overridden __cmp__.
|
|
self.failUnless(id(h1) != id(h2), "No real copy of the HMAC instance.")
|
|
self.failUnless(id(h1.inner) != id(h2.inner),
|
|
"No real copy of the attribute 'inner'.")
|
|
self.failUnless(id(h1.outer) != id(h2.outer),
|
|
"No real copy of the attribute 'outer'.")
|
|
|
|
def test_equality(self):
|
|
# Testing if the copy has the same digests.
|
|
h1 = hmac.HMAC("key")
|
|
h1.update("some random text")
|
|
h2 = h1.copy()
|
|
self.failUnless(h1.digest() == h2.digest(),
|
|
"Digest of copy doesn't match original digest.")
|
|
self.failUnless(h1.hexdigest() == h2.hexdigest(),
|
|
"Hexdigest of copy doesn't match original hexdigest.")
|
|
|
|
def test_main():
|
|
test_support.run_unittest(
|
|
TestVectorsTestCase,
|
|
ConstructorTestCase,
|
|
SanityTestCase,
|
|
CopyTestCase
|
|
)
|
|
|
|
if __name__ == "__main__":
|
|
test_main()
|