1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
|
#! /usr/bin/env python
'''
jsSHA HMAC Test Result Generator
Version 1.0 Copyright Brian Turek 2009-2012
Distributed under the BSD License
See http://caligatio.github.com/jsSHA/ for more information
'''
import hashlib
import hmac
def main():
'''
main()
Calculates the HMAC of the test vectors given in FIPS-198a for full
length HMACs. Uses double the key sizes for SHA-384 and SHA-512 as
they have double the block size
'''
# shortKey tests for handling of key lengths less than the block size
shortTxt = b'Sample #2'
shortKey = bytes.fromhex('30313233 34353637 38393a3b 3c3d3e3f 40414243')
# medKey tests for handling of keys lengths equal to the block size
medTxt = b'Sample #1'
medKey = bytes.fromhex('00010203 04050607 08090a0b 0c0d0e0f 10111213' +
'14151617 18191a1b 1c1d1e1f 20212223 24252627 28292a2b 2c2d2e2f'+
'30313233 34353637 38393a3b 3c3d3e3f')
# largeKey tests for handling of keys lengths greater than the block size
largeTxt = b'Sample #3'
largeKey = bytes.fromhex('50515253 54555657 58595a5b 5c5d5e5f 60616263'+
'64656667 68696a6b 6c6d6e6f 70717273 74757677 78797a7b 7c7d7e7f' +
'80818283 84858687 88898a8b 8c8d8e8f 90919293 94959697 98999a9b' +
'9c9d9e9f a0a1a2a3 a4a5a6a7 a8a9aaab acadaeaf b0b1b2b3')
# Perform the SHA-1 Tests
print('\nSHA-1 Short Key Result:')
print(hmac.new(shortKey, shortTxt, hashlib.sha1).hexdigest())
print('\nSHA-1 Medium Key Result:')
print(hmac.new(medKey, medTxt, hashlib.sha1).hexdigest())
print('\nSHA-1 Large Key Result:')
print(hmac.new(largeKey, largeTxt, hashlib.sha1).hexdigest())
# Perform the SHA-224 Tests
print('\nSHA-224 Short Key Result:')
print(hmac.new(shortKey, shortTxt, hashlib.sha224).hexdigest())
print('\nSHA-224 Medium Key Result:')
print(hmac.new(medKey, medTxt, hashlib.sha224).hexdigest())
print('\nSHA-224 Large Key Result:')
print(hmac.new(largeKey, largeTxt, hashlib.sha224).hexdigest())
# Perform the SHA-256 Tests
print('\nSHA-256 Short Key Result:')
print(hmac.new(shortKey, shortTxt, hashlib.sha256).hexdigest())
print('\nSHA-256 Medium Key Result:')
print(hmac.new(medKey, medTxt, hashlib.sha256).hexdigest())
print('\nSHA-256 Large Key Result:')
print(hmac.new(largeKey, largeTxt, hashlib.sha256).hexdigest())
# Since SHA-384 and SHA-512 take double the block size, double the key
# length so the tests act against the same functions as above
shortKey = shortKey * 2
medKey = medKey * 2
largeKey = largeKey * 2
# Perform the SHA-384 Tests
print('\nSHA-384 Short Key Result:')
print(hmac.new(shortKey, shortTxt, hashlib.sha384).hexdigest())
print('\nSHA-384 Medium Key Result:')
print(hmac.new(medKey, medTxt, hashlib.sha384).hexdigest())
print('\nSHA-384 Large Key Result:')
print(hmac.new(largeKey, largeTxt, hashlib.sha384).hexdigest())
# Perform the SHA-512 Tests
print('\nSHA-512 Short Key Result:')
print(hmac.new(shortKey, shortTxt, hashlib.sha512).hexdigest())
print('\nSHA-512 Medium Key Result:')
print(hmac.new(medKey, medTxt, hashlib.sha512).hexdigest())
print('\nSHA-512 Large Key Result:')
print(hmac.new(largeKey, largeTxt, hashlib.sha512).hexdigest())
if ('__main__' == __name__):
main()
|
