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# -*- coding: utf-8 -*-
#
# SelfTest/Hash/HMAC.py: Self-test for the HMAC module
#
# Written in 2008 by Dwayne C. Litzenberger <dlitz@dlitz.net>
#
# ===================================================================
# The contents of this file are dedicated to the public domain. To
# the extent that dedication to the public domain is not available,
# everyone is granted a worldwide, perpetual, royalty-free,
# non-exclusive license to exercise all rights associated with the
# contents of this file for any purpose whatsoever.
# No rights are reserved.
#
# 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.
# ===================================================================
"""Self-test suite for Crypto.Hash.HMAC"""
import unittest
from binascii import hexlify
from Crypto.Util.py3compat import tostr, tobytes
from Crypto.Hash import (HMAC, MD5, SHA1, SHA256,
SHA224, SHA384, SHA512,
RIPEMD160,
SHA3_224, SHA3_256, SHA3_384, SHA3_512)
hash_modules = dict(MD5=MD5, SHA1=SHA1, SHA256=SHA256,
SHA224=SHA224, SHA384=SHA384, SHA512=SHA512,
RIPEMD160=RIPEMD160,
SHA3_224=SHA3_224, SHA3_256=SHA3_256,
SHA3_384=SHA3_384, SHA3_512=SHA3_512)
default_hash = None
def xl(text):
return tostr(hexlify(tobytes(text)))
# This is a list of (key, data, results, description) tuples.
test_data = [
## Test vectors from RFC 2202 ##
# Test that the default hashmod is MD5
('0b' * 16,
'4869205468657265',
dict(default_hash='9294727a3638bb1c13f48ef8158bfc9d'),
'default-is-MD5'),
# Test case 1 (MD5)
('0b' * 16,
'4869205468657265',
dict(MD5='9294727a3638bb1c13f48ef8158bfc9d'),
'RFC 2202 #1-MD5 (HMAC-MD5)'),
# Test case 1 (SHA1)
('0b' * 20,
'4869205468657265',
dict(SHA1='b617318655057264e28bc0b6fb378c8ef146be00'),
'RFC 2202 #1-SHA1 (HMAC-SHA1)'),
# Test case 2
('4a656665',
'7768617420646f2079612077616e7420666f72206e6f7468696e673f',
dict(MD5='750c783e6ab0b503eaa86e310a5db738',
SHA1='effcdf6ae5eb2fa2d27416d5f184df9c259a7c79'),
'RFC 2202 #2 (HMAC-MD5/SHA1)'),
# Test case 3 (MD5)
('aa' * 16,
'dd' * 50,
dict(MD5='56be34521d144c88dbb8c733f0e8b3f6'),
'RFC 2202 #3-MD5 (HMAC-MD5)'),
# Test case 3 (SHA1)
('aa' * 20,
'dd' * 50,
dict(SHA1='125d7342b9ac11cd91a39af48aa17b4f63f175d3'),
'RFC 2202 #3-SHA1 (HMAC-SHA1)'),
# Test case 4
('0102030405060708090a0b0c0d0e0f10111213141516171819',
'cd' * 50,
dict(MD5='697eaf0aca3a3aea3a75164746ffaa79',
SHA1='4c9007f4026250c6bc8414f9bf50c86c2d7235da'),
'RFC 2202 #4 (HMAC-MD5/SHA1)'),
# Test case 5 (MD5)
('0c' * 16,
'546573742057697468205472756e636174696f6e',
dict(MD5='56461ef2342edc00f9bab995690efd4c'),
'RFC 2202 #5-MD5 (HMAC-MD5)'),
# Test case 5 (SHA1)
# NB: We do not implement hash truncation, so we only test the full hash here.
('0c' * 20,
'546573742057697468205472756e636174696f6e',
dict(SHA1='4c1a03424b55e07fe7f27be1d58bb9324a9a5a04'),
'RFC 2202 #5-SHA1 (HMAC-SHA1)'),
# Test case 6
('aa' * 80,
'54657374205573696e67204c6172676572205468616e20426c6f636b2d53697a'
+ '65204b6579202d2048617368204b6579204669727374',
dict(MD5='6b1ab7fe4bd7bf8f0b62e6ce61b9d0cd',
SHA1='aa4ae5e15272d00e95705637ce8a3b55ed402112'),
'RFC 2202 #6 (HMAC-MD5/SHA1)'),
# Test case 7
('aa' * 80,
'54657374205573696e67204c6172676572205468616e20426c6f636b2d53697a'
+ '65204b657920616e64204c6172676572205468616e204f6e6520426c6f636b2d'
+ '53697a652044617461',
dict(MD5='6f630fad67cda0ee1fb1f562db3aa53e',
SHA1='e8e99d0f45237d786d6bbaa7965c7808bbff1a91'),
'RFC 2202 #7 (HMAC-MD5/SHA1)'),
## Test vectors from RFC 4231 ##
# 4.2. Test Case 1
('0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b',
'4869205468657265',
dict(SHA256='''
b0344c61d8db38535ca8afceaf0bf12b
881dc200c9833da726e9376c2e32cff7
'''),
'RFC 4231 #1 (HMAC-SHA256)'),
# 4.3. Test Case 2 - Test with a key shorter than the length of the HMAC
# output.
('4a656665',
'7768617420646f2079612077616e7420666f72206e6f7468696e673f',
dict(SHA256='''
5bdcc146bf60754e6a042426089575c7
5a003f089d2739839dec58b964ec3843
'''),
'RFC 4231 #2 (HMAC-SHA256)'),
# 4.4. Test Case 3 - Test with a combined length of key and data that is
# larger than 64 bytes (= block-size of SHA-224 and SHA-256).
('aa' * 20,
'dd' * 50,
dict(SHA256='''
773ea91e36800e46854db8ebd09181a7
2959098b3ef8c122d9635514ced565fe
'''),
'RFC 4231 #3 (HMAC-SHA256)'),
# 4.5. Test Case 4 - Test with a combined length of key and data that is
# larger than 64 bytes (= block-size of SHA-224 and SHA-256).
('0102030405060708090a0b0c0d0e0f10111213141516171819',
'cd' * 50,
dict(SHA256='''
82558a389a443c0ea4cc819899f2083a
85f0faa3e578f8077a2e3ff46729665b
'''),
'RFC 4231 #4 (HMAC-SHA256)'),
# 4.6. Test Case 5 - Test with a truncation of output to 128 bits.
#
# Not included because we do not implement hash truncation.
#
# 4.7. Test Case 6 - Test with a key larger than 128 bytes (= block-size of
# SHA-384 and SHA-512).
('aa' * 131,
'54657374205573696e67204c6172676572205468616e20426c6f636b2d53697a'
+ '65204b6579202d2048617368204b6579204669727374',
dict(SHA256='''
60e431591ee0b67f0d8a26aacbf5b77f
8e0bc6213728c5140546040f0ee37f54
'''),
'RFC 4231 #6 (HMAC-SHA256)'),
# 4.8. Test Case 7 - Test with a key and data that is larger than 128 bytes
# (= block-size of SHA-384 and SHA-512).
('aa' * 131,
'5468697320697320612074657374207573696e672061206c6172676572207468'
+ '616e20626c6f636b2d73697a65206b657920616e642061206c61726765722074'
+ '68616e20626c6f636b2d73697a6520646174612e20546865206b6579206e6565'
+ '647320746f20626520686173686564206265666f7265206265696e6720757365'
+ '642062792074686520484d414320616c676f726974686d2e',
dict(SHA256='''
9b09ffa71b942fcb27635fbcd5b0e944
bfdc63644f0713938a7f51535c3a35e2
'''),
'RFC 4231 #7 (HMAC-SHA256)'),
# Test case 8 (SHA224)
('4a656665',
'7768617420646f2079612077616e74'
+ '20666f72206e6f7468696e673f',
dict(SHA224='a30e01098bc6dbbf45690f3a7e9e6d0f8bbea2a39e6148008fd05e44'),
'RFC 4634 8.4 SHA224 (HMAC-SHA224)'),
# Test case 9 (SHA384)
('4a656665',
'7768617420646f2079612077616e74'
+ '20666f72206e6f7468696e673f',
dict(SHA384='af45d2e376484031617f78d2b58a6b1b9c7ef464f5a01b47e42ec3736322445e8e2240ca5e69e2c78b3239ecfab21649'),
'RFC 4634 8.4 SHA384 (HMAC-SHA384)'),
# Test case 10 (SHA512)
('4a656665',
'7768617420646f2079612077616e74'
+ '20666f72206e6f7468696e673f',
dict(SHA512='164b7a7bfcf819e2e395fbe73b56e0a387bd64222e831fd610270cd7ea2505549758bf75c05a994a6d034f65f8f0e6fdcaeab1a34d4a6b4b636e070a38bce737'),
'RFC 4634 8.4 SHA512 (HMAC-SHA512)'),
# Test case 11 (RIPEMD)
('0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b',
xl("Hi There"),
dict(RIPEMD160='24cb4bd67d20fc1a5d2ed7732dcc39377f0a5668'),
'RFC 2286 #1 (HMAC-RIPEMD)'),
# Test case 12 (RIPEMD)
(xl("Jefe"),
xl("what do ya want for nothing?"),
dict(RIPEMD160='dda6c0213a485a9e24f4742064a7f033b43c4069'),
'RFC 2286 #2 (HMAC-RIPEMD)'),
# Test case 13 (RIPEMD)
('aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa',
'dd' * 50,
dict(RIPEMD160='b0b105360de759960ab4f35298e116e295d8e7c1'),
'RFC 2286 #3 (HMAC-RIPEMD)'),
# Test case 14 (RIPEMD)
('0102030405060708090a0b0c0d0e0f10111213141516171819',
'cd' * 50,
dict(RIPEMD160='d5ca862f4d21d5e610e18b4cf1beb97a4365ecf4'),
'RFC 2286 #4 (HMAC-RIPEMD)'),
# Test case 15 (RIPEMD)
('0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c',
xl("Test With Truncation"),
dict(RIPEMD160='7619693978f91d90539ae786500ff3d8e0518e39'),
'RFC 2286 #5 (HMAC-RIPEMD)'),
# Test case 16 (RIPEMD)
('aa' * 80,
xl("Test Using Larger Than Block-Size Key - Hash Key First"),
dict(RIPEMD160='6466ca07ac5eac29e1bd523e5ada7605b791fd8b'),
'RFC 2286 #6 (HMAC-RIPEMD)'),
# Test case 17 (RIPEMD)
('aa' * 80,
xl("Test Using Larger Than Block-Size Key and Larger Than One Block-Size Data"),
dict(RIPEMD160='69ea60798d71616cce5fd0871e23754cd75d5a0a'),
'RFC 2286 #7 (HMAC-RIPEMD)'),
# From https://csrc.nist.gov/CSRC/media/Projects/Cryptographic-Standards-and-Guidelines/documents/examples/HMAC_SHA3-224.pdf
(
'000102030405060708090a0b0c0d0e0f'
'101112131415161718191a1b',
xl('Sample message for keylen<blocklen'),
dict(SHA3_224='332cfd59347fdb8e576e77260be4aba2d6dc53117b3bfb52c6d18c04'),
'NIST CSRC Sample #1 (SHA3-224)'
),
(
'000102030405060708090a0b0c0d0e0f'\
'101112131415161718191a1b1c1d1e1f'\
'202122232425262728292a2b2c2d2e2f'\
'303132333435363738393a3b3c3d3e3f'\
'404142434445464748494a4b4c4d4e4f'\
'505152535455565758595a5b5c5d5e5f'\
'606162636465666768696a6b6c6d6e6f'\
'707172737475767778797a7b7c7d7e7f'\
'808182838485868788898a8b8c8d8e8f',
xl('Sample message for keylen=blocklen'),
dict(SHA3_224='d8b733bcf66c644a12323d564e24dcf3fc75f231f3b67968359100c7'),
'NIST CSRC Sample #2 (SHA3-224)'
),
(
'000102030405060708090a0b0c0d0e0f'\
'101112131415161718191a1b1c1d1e1f'\
'202122232425262728292a2b2c2d2e2f'\
'303132333435363738393a3b3c3d3e3f'\
'404142434445464748494a4b4c4d4e4f'\
'505152535455565758595a5b5c5d5e5f'\
'606162636465666768696a6b6c6d6e6f'\
'707172737475767778797a7b7c7d7e7f'\
'808182838485868788898a8b8c8d8e8f'\
'909192939495969798999a9b9c9d9e9f'\
'a0a1a2a3a4a5a6a7a8a9aaab',
xl('Sample message for keylen>blocklen'),
dict(SHA3_224='078695eecc227c636ad31d063a15dd05a7e819a66ec6d8de1e193e59'),
'NIST CSRC Sample #3 (SHA3-224)'
),
# From https://csrc.nist.gov/CSRC/media/Projects/Cryptographic-Standards-and-Guidelines/documents/examples/HMAC_SHA3-256.pdf
(
'000102030405060708090a0b0c0d0e0f'\
'101112131415161718191a1b1c1d1e1f',
xl('Sample message for keylen<blocklen'),
dict(SHA3_256='4fe8e202c4f058e8dddc23d8c34e467343e23555e24fc2f025d598f558f67205'),
'NIST CSRC Sample #1 (SHA3-256)'
),
(
'000102030405060708090a0b0c0d0e0f'\
'101112131415161718191a1b1c1d1e1f'\
'202122232425262728292a2b2c2d2e2f'\
'303132333435363738393a3b3c3d3e3f'\
'404142434445464748494a4b4c4d4e4f'\
'505152535455565758595a5b5c5d5e5f'\
'606162636465666768696a6b6c6d6e6f'\
'707172737475767778797a7b7c7d7e7f'\
'8081828384858687',
xl('Sample message for keylen=blocklen'),
dict(SHA3_256='68b94e2e538a9be4103bebb5aa016d47961d4d1aa906061313b557f8af2c3faa'),
'NIST CSRC Sample #2 (SHA3-256)'
),
(
'000102030405060708090a0b0c0d0e0f'\
'101112131415161718191a1b1c1d1e1f'\
'202122232425262728292a2b2c2d2e2f'\
'303132333435363738393a3b3c3d3e3f'\
'404142434445464748494a4b4c4d4e4f'\
'505152535455565758595a5b5c5d5e5f'\
'606162636465666768696a6b6c6d6e6f'\
'707172737475767778797a7b7c7d7e7f'\
'808182838485868788898a8b8c8d8e8f'\
'909192939495969798999a9b9c9d9e9f'\
'a0a1a2a3a4a5a6a7',
xl('Sample message for keylen>blocklen'),
dict(SHA3_256='9bcf2c238e235c3ce88404e813bd2f3a97185ac6f238c63d6229a00b07974258'),
'NIST CSRC Sample #3 (SHA3-256)'
),
# From https://csrc.nist.gov/CSRC/media/Projects/Cryptographic-Standards-and-Guidelines/documents/examples/HMAC_SHA3-384.pdf
(
'000102030405060708090a0b0c0d0e0f'\
'101112131415161718191a1b1c1d1e1f'
'202122232425262728292a2b2c2d2e2f',
xl('Sample message for keylen<blocklen'),
dict(SHA3_384='d588a3c51f3f2d906e8298c1199aa8ff6296218127f6b38a90b6afe2c5617725bc99987f79b22a557b6520db710b7f42'),
'NIST CSRC Sample #1 (SHA3-384)'
),
(
'000102030405060708090a0b0c0d0e0f'\
'101112131415161718191a1b1c1d1e1f'\
'202122232425262728292a2b2c2d2e2f'\
'303132333435363738393a3b3c3d3e3f'\
'404142434445464748494a4b4c4d4e4f'\
'505152535455565758595a5b5c5d5e5f'\
'6061626364656667',
xl('Sample message for keylen=blocklen'),
dict(SHA3_384='a27d24b592e8c8cbf6d4ce6fc5bf62d8fc98bf2d486640d9eb8099e24047837f5f3bffbe92dcce90b4ed5b1e7e44fa90'),
'NIST CSRC Sample #2 (SHA3-384)'
),
(
'000102030405060708090a0b0c0d0e0f'\
'101112131415161718191a1b1c1d1e1f'\
'202122232425262728292a2b2c2d2e2f'\
'303132333435363738393a3b3c3d3e3f'\
'404142434445464748494a4b4c4d4e4f'\
'505152535455565758595a5b5c5d5e5f'\
'606162636465666768696a6b6c6d6e6f'\
'707172737475767778797a7b7c7d7e7f'\
'808182838485868788898a8b8c8d8e8f'\
'9091929394959697',
xl('Sample message for keylen>blocklen'),
dict(SHA3_384='e5ae4c739f455279368ebf36d4f5354c95aa184c899d3870e460ebc288ef1f9470053f73f7c6da2a71bcaec38ce7d6ac'),
'NIST CSRC Sample #3 (SHA3-384)'
),
# From https://csrc.nist.gov/CSRC/media/Projects/Cryptographic-Standards-and-Guidelines/documents/examples/HMAC_SHA3-512.pdf
(
'000102030405060708090a0b0c0d0e0f'\
'101112131415161718191a1b1c1d1e1f'\
'202122232425262728292a2b2c2d2e2f'\
'303132333435363738393a3b3c3d3e3f',
xl('Sample message for keylen<blocklen'),
dict(SHA3_512='4efd629d6c71bf86162658f29943b1c308ce27cdfa6db0d9c3ce81763f9cbce5f7ebe9868031db1a8f8eb7b6b95e5c5e3f657a8996c86a2f6527e307f0213196'),
'NIST CSRC Sample #1 (SHA3-512)'
),
(
'000102030405060708090a0b0c0d0e0f'\
'101112131415161718191a1b1c1d1e1f'\
'202122232425262728292a2b2c2d2e2f'\
'303132333435363738393a3b3c3d3e3f'\
'4041424344454647',
xl('Sample message for keylen=blocklen'),
dict(SHA3_512='544e257ea2a3e5ea19a590e6a24b724ce6327757723fe2751b75bf007d80f6b360744bf1b7a88ea585f9765b47911976d3191cf83c039f5ffab0d29cc9d9b6da'),
'NIST CSRC Sample #2 (SHA3-512)'
),
(
'000102030405060708090a0b0c0d0e0f'\
'101112131415161718191a1b1c1d1e1f'\
'202122232425262728292a2b2c2d2e2f'\
'303132333435363738393a3b3c3d3e3f'\
'404142434445464748494a4b4c4d4e4f'\
'505152535455565758595a5b5c5d5e5f'\
'606162636465666768696a6b6c6d6e6f'\
'707172737475767778797a7b7c7d7e7f'\
'8081828384858687',
xl('Sample message for keylen>blocklen'),
dict(SHA3_512='5f464f5e5b7848e3885e49b2c385f0694985d0e38966242dc4a5fe3fea4b37d46b65ceced5dcf59438dd840bab22269f0ba7febdb9fcf74602a35666b2a32915'),
'NIST CSRC Sample #3 (SHA3-512)'
),
]
class HMAC_Module_and_Instance_Test(unittest.TestCase):
"""Test the HMAC construction and verify that it does not
matter if you initialize it with a hash module or
with an hash instance.
See https://bugs.launchpad.net/pycrypto/+bug/1209399
"""
def __init__(self, hashmods):
"""Initialize the test with a dictionary of hash modules
indexed by their names"""
unittest.TestCase.__init__(self)
self.hashmods = hashmods
self.description = ""
def shortDescription(self):
return self.description
def runTest(self):
key = b"\x90\x91\x92\x93" * 4
payload = b"\x00" * 100
for hashname, hashmod in self.hashmods.items():
if hashmod is None:
continue
self.description = "Test HMAC in combination with " + hashname
one = HMAC.new(key, payload, hashmod).digest()
two = HMAC.new(key, payload, hashmod.new()).digest()
self.assertEqual(one, two)
class HMAC_None(unittest.TestCase):
def runTest(self):
key = b"\x04" * 20
one = HMAC.new(key, b"", SHA1).digest()
two = HMAC.new(key, None, SHA1).digest()
self.assertEqual(one, two)
class ByteArrayTests(unittest.TestCase):
def runTest(self):
key = b"0" * 16
data = b"\x00\x01\x02"
# Data and key can be a bytearray (during initialization)
key_ba = bytearray(key)
data_ba = bytearray(data)
h1 = HMAC.new(key, data)
h2 = HMAC.new(key_ba, data_ba)
key_ba[:1] = b'\xFF'
data_ba[:1] = b'\xFF'
self.assertEqual(h1.digest(), h2.digest())
# Data can be a bytearray (during operation)
key_ba = bytearray(key)
data_ba = bytearray(data)
h1 = HMAC.new(key)
h2 = HMAC.new(key)
h1.update(data)
h2.update(data_ba)
data_ba[:1] = b'\xFF'
self.assertEqual(h1.digest(), h2.digest())
class MemoryViewTests(unittest.TestCase):
def runTest(self):
key = b"0" * 16
data = b"\x00\x01\x02"
def get_mv_ro(data):
return memoryview(data)
def get_mv_rw(data):
return memoryview(bytearray(data))
for get_mv in (get_mv_ro, get_mv_rw):
# Data and key can be a memoryview (during initialization)
key_mv = get_mv(key)
data_mv = get_mv(data)
h1 = HMAC.new(key, data)
h2 = HMAC.new(key_mv, data_mv)
if not data_mv.readonly:
key_mv[:1] = b'\xFF'
data_mv[:1] = b'\xFF'
self.assertEqual(h1.digest(), h2.digest())
# Data can be a memoryview (during operation)
data_mv = get_mv(data)
h1 = HMAC.new(key)
h2 = HMAC.new(key)
h1.update(data)
h2.update(data_mv)
if not data_mv.readonly:
data_mv[:1] = b'\xFF'
self.assertEqual(h1.digest(), h2.digest())
def get_tests(config={}):
global test_data
import types
from .common import make_mac_tests
# A test vector contains multiple results, each one for a
# different hash algorithm.
# Here we expand each test vector into multiple ones,
# and add the relevant parameters that will be passed to new()
exp_test_data = []
for row in test_data:
for modname in row[2].keys():
t = list(row)
t[2] = row[2][modname]
t.append(dict(digestmod=globals()[modname]))
exp_test_data.append(t)
tests = make_mac_tests(HMAC, "HMAC", exp_test_data)
tests.append(HMAC_Module_and_Instance_Test(hash_modules))
tests.append(HMAC_None())
tests.append(ByteArrayTests())
tests.append(MemoryViewTests())
return tests
if __name__ == '__main__':
suite = lambda: unittest.TestSuite(get_tests())
unittest.main(defaultTest='suite')