def test_key_deployment(self):
"""GEC 2: Test Vectors for SEC 1, section 4.1
http://read.pudn.com/downloads168/doc/772358/TestVectorsforSEC%201-gec2.pdf
"""
# 4.1.1
# ec = secp160r1
# hf = sha1
# 4.1.2
dU = 971761939728640320549601132085879836204587084162
self.assertEqual(format(dU,
str(ec.psize) + 'x'),
'aa374ffc3ce144e6b073307972cb6d57b2a4e982')
QU = mult(dU, ec.G, ec)
self.assertEqual(QU,
(466448783855397898016055842232266600516272889280,
1110706324081757720403272427311003102474457754220))
self.assertEqual(
octets_from_point(QU, True, ec).hex(),
'0251b4496fecc406ed0e75a24a3c03206251419dc0')
# 4.1.3
dV = 399525573676508631577122671218044116107572676710
self.assertEqual(format(dV,
str(ec.psize) + 'x'),
'45fb58a92a17ad4b15101c66e74f277e2b460866')
QV = mult(dV, ec.G, ec)
self.assertEqual(QV,
(420773078745784176406965940076771545932416607676,
221937774842090227911893783570676792435918278531))
self.assertEqual(
octets_from_point(QV, True, ec).hex(),
'0349b41e0e9c0369c2328739d90f63d56707c6e5bc')
# expected results
z_exp = 1155982782519895915997745984453282631351432623114
zstr = 'ca7c0f8c3ffa87a96e1b74ac8e6af594347bb40a'
size = 20
keying_data_exp = '744ab703f5bc082e59185f6d049d2d367db245c2'
# 4.1.4
z, _ = mult(dU, QV, ec) # x coordinate only
self.assertEqual(z, z_exp)
self.assertEqual(format(z, str(ec.psize) + 'x'), zstr)
keyingdata = dh.ansi_x963_kdf(octets_from_int(z, ec.psize), size, ec,
hf)
self.assertEqual(keyingdata.hex(), keying_data_exp)
# 4.1.5
z, _ = mult(dV, QU, ec) # x coordinate only
self.assertEqual(z, z_exp)
self.assertEqual(format(z, str(ec.psize) + 'x'), zstr)
keyingdata = dh.ansi_x963_kdf(octets_from_int(z, ec.psize), size, ec,
hf)
self.assertEqual(keyingdata.hex(), keying_data_exp)
def test_key_deployment():
"""GEC 2: Test Vectors for SEC 1, section 4.1
http://read.pudn.com/downloads168/doc/772358/TestVectorsforSEC%201-gec2.pdf
"""
# 4.1.1
# ec = secp160r1
# hf = sha1
# 4.1.2
dU = 971761939728640320549601132085879836204587084162
assert format(dU,
str(ec.nsize) +
"x") == "aa374ffc3ce144e6b073307972cb6d57b2a4e982"
QU = mult(dU, ec.G, ec)
assert QU == (
466448783855397898016055842232266600516272889280,
1110706324081757720403272427311003102474457754220,
)
assert (bytes_from_point(
QU, ec).hex() == "0251b4496fecc406ed0e75a24a3c03206251419dc0")
# 4.1.3
dV = 399525573676508631577122671218044116107572676710
assert format(dV,
str(ec.nsize) +
"x") == "45fb58a92a17ad4b15101c66e74f277e2b460866"
QV = mult(dV, ec.G, ec)
assert QV == (
420773078745784176406965940076771545932416607676,
221937774842090227911893783570676792435918278531,
)
assert (bytes_from_point(
QV, ec).hex() == "0349b41e0e9c0369c2328739d90f63d56707c6e5bc")
# expected results
z_exp = 1155982782519895915997745984453282631351432623114
zstr = "ca7c0f8c3ffa87a96e1b74ac8e6af594347bb40a"
size = 20
keying_data_exp = "744ab703f5bc082e59185f6d049d2d367db245c2"
# 4.1.4
z, _ = mult(dU, QV, ec) # x coordinate only
assert z == z_exp
assert format(z, str(ec.psize) + "x") == zstr
keyingdata = dh.ansi_x963_kdf(z.to_bytes(ec.psize, "big"), size, ec, hf)
assert keyingdata.hex() == keying_data_exp
# 4.1.5
z, _ = mult(dV, QU, ec) # x coordinate only
assert z == z_exp
assert format(z, str(ec.psize) + "x") == zstr
keyingdata = dh.ansi_x963_kdf(z.to_bytes(ec.psize, "big"), size, ec, hf)
assert keyingdata.hex() == keying_data_exp