Mini Shell
#
# SelfTest/Signature/test_dss.py: Self-test for DSS signatures
#
# ===================================================================
#
# Copyright (c) 2014, Legrandin <helderijs@gmail.com>
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in
# the documentation and/or other materials provided with the
# distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
# COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
# ===================================================================
import re
import json
import unittest
from binascii import hexlify, unhexlify
from Crypto.Util.py3compat import tobytes, bord, bchr
from Crypto.Hash import (SHA1, SHA224, SHA256, SHA384, SHA512, SHA3_256,
SHA3_384, SHA3_512)
from Crypto.Signature import DSS
from Crypto.PublicKey import DSA, ECC
from Crypto.SelfTest.st_common import list_test_cases
from Crypto.SelfTest.loader import load_tests
from Crypto.Util.number import bytes_to_long, long_to_bytes
from Crypto.Util._file_system import pycryptodome_filename
from Crypto.Util.strxor import strxor
def t2b(hexstring):
ws = hexstring.replace(" ", "").replace("\n", "")
return unhexlify(tobytes(ws))
def t2l(hexstring):
ws = hexstring.replace(" ", "").replace("\n", "")
return int(ws, 16)
def load_hash_by_name(hash_name):
return __import__("Crypto.Hash." + hash_name, globals(), locals(), ["new"])
class StrRNG:
def __init__(self, randomness):
length = len(randomness)
self._idx = 0
# Fix required to get the right K (see how randint() works!)
self._randomness = long_to_bytes(bytes_to_long(randomness) - 1, length)
def __call__(self, n):
out = self._randomness[self._idx:self._idx + n]
self._idx += n
return out
class FIPS_DSA_Tests(unittest.TestCase):
# 1st 1024 bit key from SigGen.txt
P = 0xa8f9cd201e5e35d892f85f80e4db2599a5676a3b1d4f190330ed3256b26d0e80a0e49a8fffaaad2a24f472d2573241d4d6d6c7480c80b4c67bb4479c15ada7ea8424d2502fa01472e760241713dab025ae1b02e1703a1435f62ddf4ee4c1b664066eb22f2e3bf28bb70a2a76e4fd5ebe2d1229681b5b06439ac9c7e9d8bde283
Q = 0xf85f0f83ac4df7ea0cdf8f469bfeeaea14156495
G = 0x2b3152ff6c62f14622b8f48e59f8af46883b38e79b8c74deeae9df131f8b856e3ad6c8455dab87cc0da8ac973417ce4f7878557d6cdf40b35b4a0ca3eb310c6a95d68ce284ad4e25ea28591611ee08b8444bd64b25f3f7c572410ddfb39cc728b9c936f85f419129869929cdb909a6a3a99bbe089216368171bd0ba81de4fe33
X = 0xc53eae6d45323164c7d07af5715703744a63fc3a
Y = 0x313fd9ebca91574e1c2eebe1517c57e0c21b0209872140c5328761bbb2450b33f1b18b409ce9ab7c4cd8fda3391e8e34868357c199e16a6b2eba06d6749def791d79e95d3a4d09b24c392ad89dbf100995ae19c01062056bb14bce005e8731efde175f95b975089bdcdaea562b32786d96f5a31aedf75364008ad4fffebb970b
key_pub = DSA.construct((Y, G, P, Q))
key_priv = DSA.construct((Y, G, P, Q, X))
def shortDescription(self):
return "FIPS DSA Tests"
def test_loopback(self):
hashed_msg = SHA512.new(b"test")
signer = DSS.new(self.key_priv, 'fips-186-3')
signature = signer.sign(hashed_msg)
verifier = DSS.new(self.key_pub, 'fips-186-3')
verifier.verify(hashed_msg, signature)
def test_negative_unapproved_hashes(self):
"""Verify that unapproved hashes are rejected"""
from Crypto.Hash import RIPEMD160
self.description = "Unapproved hash (RIPEMD160) test"
hash_obj = RIPEMD160.new()
signer = DSS.new(self.key_priv, 'fips-186-3')
self.assertRaises(ValueError, signer.sign, hash_obj)
self.assertRaises(ValueError, signer.verify, hash_obj, b"\x00" * 40)
def test_negative_unknown_modes_encodings(self):
"""Verify that unknown modes/encodings are rejected"""
self.description = "Unknown mode test"
self.assertRaises(ValueError, DSS.new, self.key_priv, 'fips-186-0')
self.description = "Unknown encoding test"
self.assertRaises(ValueError, DSS.new, self.key_priv, 'fips-186-3', 'xml')
def test_asn1_encoding(self):
"""Verify ASN.1 encoding"""
self.description = "ASN.1 encoding test"
hash_obj = SHA1.new()
signer = DSS.new(self.key_priv, 'fips-186-3', 'der')
signature = signer.sign(hash_obj)
# Verify that output looks like a DER SEQUENCE
self.assertEqual(bord(signature[0]), 48)
signer.verify(hash_obj, signature)
# Verify that ASN.1 parsing fails as expected
signature = bchr(7) + signature[1:]
self.assertRaises(ValueError, signer.verify, hash_obj, signature)
def test_sign_verify(self):
"""Verify public/private method"""
self.description = "can_sign() test"
signer = DSS.new(self.key_priv, 'fips-186-3')
self.failUnless(signer.can_sign())
signer = DSS.new(self.key_pub, 'fips-186-3')
self.failIf(signer.can_sign())
class FIPS_DSA_Tests_KAT(unittest.TestCase):
pass
test_vectors_verify = load_tests(("Crypto", "SelfTest", "Signature", "test_vectors", "DSA"),
"FIPS_186_3_SigVer.rsp",
"Signature Verification 186-3",
{'result' : lambda x: x})
for idx, tv in enumerate(test_vectors_verify):
if isinstance(tv, str):
res = re.match(r"\[mod = L=([0-9]+), N=([0-9]+), ([a-zA-Z0-9-]+)\]", tv)
assert(res)
hash_name = res.group(3).replace("-", "")
hash_module = load_hash_by_name(hash_name)
continue
if hasattr(tv, "p"):
modulus = tv.p
generator = tv.g
suborder = tv.q
continue
hash_obj = hash_module.new(tv.msg)
comps = [bytes_to_long(x) for x in (tv.y, generator, modulus, suborder)]
key = DSA.construct(comps, False) # type: ignore
verifier = DSS.new(key, 'fips-186-3')
def positive_test(self, verifier=verifier, hash_obj=hash_obj, signature=tv.r+tv.s):
verifier.verify(hash_obj, signature)
def negative_test(self, verifier=verifier, hash_obj=hash_obj, signature=tv.r+tv.s):
self.assertRaises(ValueError, verifier.verify, hash_obj, signature)
if tv.result == 'p':
setattr(FIPS_DSA_Tests_KAT, "test_verify_positive_%d" % idx, positive_test)
else:
setattr(FIPS_DSA_Tests_KAT, "test_verify_negative_%d" % idx, negative_test)
test_vectors_sign = load_tests(("Crypto", "SelfTest", "Signature", "test_vectors", "DSA"),
"FIPS_186_3_SigGen.txt",
"Signature Creation 186-3",
{})
for idx, tv in enumerate(test_vectors_sign):
if isinstance(tv, str):
res = re.match(r"\[mod = L=([0-9]+), N=([0-9]+), ([a-zA-Z0-9-]+)\]", tv)
assert(res)
hash_name = res.group(3).replace("-", "")
hash_module = load_hash_by_name(hash_name)
continue
if hasattr(tv, "p"):
modulus = tv.p
generator = tv.g
suborder = tv.q
continue
hash_obj = hash_module.new(tv.msg)
comps_dsa = [bytes_to_long(x) for x in (tv.y, generator, modulus, suborder, tv.x)]
key = DSA.construct(comps_dsa, False) # type: ignore
signer = DSS.new(key, 'fips-186-3', randfunc=StrRNG(tv.k))
def new_test(self, signer=signer, hash_obj=hash_obj, signature=tv.r+tv.s):
self.assertEqual(signer.sign(hash_obj), signature)
setattr(FIPS_DSA_Tests_KAT, "test_sign_%d" % idx, new_test)
class FIPS_ECDSA_Tests(unittest.TestCase):
key_priv = ECC.generate(curve="P-256")
key_pub = key_priv.public_key()
def shortDescription(self):
return "FIPS ECDSA Tests"
def test_loopback(self):
hashed_msg = SHA512.new(b"test")
signer = DSS.new(self.key_priv, 'fips-186-3')
signature = signer.sign(hashed_msg)
verifier = DSS.new(self.key_pub, 'fips-186-3')
verifier.verify(hashed_msg, signature)
def test_negative_unapproved_hashes(self):
"""Verify that unapproved hashes are rejected"""
from Crypto.Hash import SHA1
self.description = "Unapproved hash (SHA-1) test"
hash_obj = SHA1.new()
signer = DSS.new(self.key_priv, 'fips-186-3')
self.assertRaises(ValueError, signer.sign, hash_obj)
self.assertRaises(ValueError, signer.verify, hash_obj, b"\x00" * 40)
def test_sign_verify(self):
"""Verify public/private method"""
self.description = "can_sign() test"
signer = DSS.new(self.key_priv, 'fips-186-3')
self.failUnless(signer.can_sign())
signer = DSS.new(self.key_pub, 'fips-186-3')
self.failIf(signer.can_sign())
def test_negative_unknown_modes_encodings(self):
"""Verify that unknown modes/encodings are rejected"""
self.description = "Unknown mode test"
self.assertRaises(ValueError, DSS.new, self.key_priv, 'fips-186-0')
self.description = "Unknown encoding test"
self.assertRaises(ValueError, DSS.new, self.key_priv, 'fips-186-3', 'xml')
def test_asn1_encoding(self):
"""Verify ASN.1 encoding"""
self.description = "ASN.1 encoding test"
hash_obj = SHA256.new()
signer = DSS.new(self.key_priv, 'fips-186-3', 'der')
signature = signer.sign(hash_obj)
# Verify that output looks like a DER SEQUENCE
self.assertEqual(bord(signature[0]), 48)
signer.verify(hash_obj, signature)
# Verify that ASN.1 parsing fails as expected
signature = bchr(7) + signature[1:]
self.assertRaises(ValueError, signer.verify, hash_obj, signature)
class FIPS_ECDSA_Tests_KAT(unittest.TestCase):
pass
test_vectors_verify = load_tests(("Crypto", "SelfTest", "Signature", "test_vectors", "ECDSA"),
"SigVer.rsp",
"ECDSA Signature Verification 186-3",
{'result': lambda x: x,
'qx': lambda x: int(x, 16),
'qy': lambda x: int(x, 16),
})
for idx, tv in enumerate(test_vectors_verify):
if isinstance(tv, str):
res = re.match(r"\[(P-[0-9]+),(SHA-[0-9]+)\]", tv)
assert res
curve_name = res.group(1)
hash_name = res.group(2).replace("-", "")
hash_module = load_hash_by_name(hash_name)
continue
hash_obj = hash_module.new(tv.msg)
ecc_key = ECC.construct(curve=curve_name, point_x=tv.qx, point_y=tv.qy)
verifier = DSS.new(ecc_key, 'fips-186-3')
def positive_test(self, verifier=verifier, hash_obj=hash_obj, signature=tv.r+tv.s):
verifier.verify(hash_obj, signature)
def negative_test(self, verifier=verifier, hash_obj=hash_obj, signature=tv.r+tv.s):
self.assertRaises(ValueError, verifier.verify, hash_obj, signature)
if tv.result.startswith('p'):
setattr(FIPS_ECDSA_Tests_KAT, "test_verify_positive_%d" % idx, positive_test)
else:
setattr(FIPS_ECDSA_Tests_KAT, "test_verify_negative_%d" % idx, negative_test)
test_vectors_sign = load_tests(("Crypto", "SelfTest", "Signature", "test_vectors", "ECDSA"),
"SigGen.txt",
"ECDSA Signature Verification 186-3",
{'d': lambda x: int(x, 16)})
for idx, tv in enumerate(test_vectors_sign):
if isinstance(tv, str):
res = re.match(r"\[(P-[0-9]+),(SHA-[0-9]+)\]", tv)
assert res
curve_name = res.group(1)
hash_name = res.group(2).replace("-", "")
hash_module = load_hash_by_name(hash_name)
continue
hash_obj = hash_module.new(tv.msg)
ecc_key = ECC.construct(curve=curve_name, d=tv.d)
signer = DSS.new(ecc_key, 'fips-186-3', randfunc=StrRNG(tv.k))
def sign_test(self, signer=signer, hash_obj=hash_obj, signature=tv.r+tv.s):
self.assertEqual(signer.sign(hash_obj), signature)
setattr(FIPS_ECDSA_Tests_KAT, "test_sign_%d" % idx, sign_test)
class Det_DSA_Tests(unittest.TestCase):
"""Tests from rfc6979"""
# Each key is (p, q, g, x, y, desc)
keys = [
(
"""
86F5CA03DCFEB225063FF830A0C769B9DD9D6153AD91D7CE27F787C43278B447
E6533B86B18BED6E8A48B784A14C252C5BE0DBF60B86D6385BD2F12FB763ED88
73ABFD3F5BA2E0A8C0A59082EAC056935E529DAF7C610467899C77ADEDFC846C
881870B7B19B2B58F9BE0521A17002E3BDD6B86685EE90B3D9A1B02B782B1779""",
"996F967F6C8E388D9E28D01E205FBA957A5698B1",
"""
07B0F92546150B62514BB771E2A0C0CE387F03BDA6C56B505209FF25FD3C133D
89BBCD97E904E09114D9A7DEFDEADFC9078EA544D2E401AEECC40BB9FBBF78FD
87995A10A1C27CB7789B594BA7EFB5C4326A9FE59A070E136DB77175464ADCA4
17BE5DCE2F40D10A46A3A3943F26AB7FD9C0398FF8C76EE0A56826A8A88F1DBD""",
"411602CB19A6CCC34494D79D98EF1E7ED5AF25F7",
"""
5DF5E01DED31D0297E274E1691C192FE5868FEF9E19A84776454B100CF16F653
92195A38B90523E2542EE61871C0440CB87C322FC4B4D2EC5E1E7EC766E1BE8D
4CE935437DC11C3C8FD426338933EBFE739CB3465F4D3668C5E473508253B1E6
82F65CBDC4FAE93C2EA212390E54905A86E2223170B44EAA7DA5DD9FFCFB7F3B""",
"DSA1024"
),
(
"""
9DB6FB5951B66BB6FE1E140F1D2CE5502374161FD6538DF1648218642F0B5C48
C8F7A41AADFA187324B87674FA1822B00F1ECF8136943D7C55757264E5A1A44F
FE012E9936E00C1D3E9310B01C7D179805D3058B2A9F4BB6F9716BFE6117C6B5
B3CC4D9BE341104AD4A80AD6C94E005F4B993E14F091EB51743BF33050C38DE2
35567E1B34C3D6A5C0CEAA1A0F368213C3D19843D0B4B09DCB9FC72D39C8DE41
F1BF14D4BB4563CA28371621CAD3324B6A2D392145BEBFAC748805236F5CA2FE
92B871CD8F9C36D3292B5509CA8CAA77A2ADFC7BFD77DDA6F71125A7456FEA15
3E433256A2261C6A06ED3693797E7995FAD5AABBCFBE3EDA2741E375404AE25B""",
"F2C3119374CE76C9356990B465374A17F23F9ED35089BD969F61C6DDE9998C1F",
"""
5C7FF6B06F8F143FE8288433493E4769C4D988ACE5BE25A0E24809670716C613
D7B0CEE6932F8FAA7C44D2CB24523DA53FBE4F6EC3595892D1AA58C4328A06C4
6A15662E7EAA703A1DECF8BBB2D05DBE2EB956C142A338661D10461C0D135472
085057F3494309FFA73C611F78B32ADBB5740C361C9F35BE90997DB2014E2EF5
AA61782F52ABEB8BD6432C4DD097BC5423B285DAFB60DC364E8161F4A2A35ACA
3A10B1C4D203CC76A470A33AFDCBDD92959859ABD8B56E1725252D78EAC66E71
BA9AE3F1DD2487199874393CD4D832186800654760E1E34C09E4D155179F9EC0
DC4473F996BDCE6EED1CABED8B6F116F7AD9CF505DF0F998E34AB27514B0FFE7""",
"69C7548C21D0DFEA6B9A51C9EAD4E27C33D3B3F180316E5BCAB92C933F0E4DBC",
"""
667098C654426C78D7F8201EAC6C203EF030D43605032C2F1FA937E5237DBD94
9F34A0A2564FE126DC8B715C5141802CE0979C8246463C40E6B6BDAA2513FA61
1728716C2E4FD53BC95B89E69949D96512E873B9C8F8DFD499CC312882561ADE
CB31F658E934C0C197F2C4D96B05CBAD67381E7B768891E4DA3843D24D94CDFB
5126E9B8BF21E8358EE0E0A30EF13FD6A664C0DCE3731F7FB49A4845A4FD8254
687972A2D382599C9BAC4E0ED7998193078913032558134976410B89D2C171D1
23AC35FD977219597AA7D15C1A9A428E59194F75C721EBCBCFAE44696A499AFA
74E04299F132026601638CB87AB79190D4A0986315DA8EEC6561C938996BEADF""",
"DSA2048"
),
]
# This is a sequence of items:
# message, k, r, s, hash module
signatures = [
(
"sample",
"7BDB6B0FF756E1BB5D53583EF979082F9AD5BD5B",
"2E1A0C2562B2912CAAF89186FB0F42001585DA55",
"29EFB6B0AFF2D7A68EB70CA313022253B9A88DF5",
SHA1,
'DSA1024'
),
(
"sample",
"562097C06782D60C3037BA7BE104774344687649",
"4BC3B686AEA70145856814A6F1BB53346F02101E",
"410697B92295D994D21EDD2F4ADA85566F6F94C1",
SHA224,
'DSA1024'
),
(
"sample",
"519BA0546D0C39202A7D34D7DFA5E760B318BCFB",
"81F2F5850BE5BC123C43F71A3033E9384611C545",
"4CDD914B65EB6C66A8AAAD27299BEE6B035F5E89",
SHA256,
'DSA1024'
),
(
"sample",
"95897CD7BBB944AA932DBC579C1C09EB6FCFC595",
"07F2108557EE0E3921BC1774F1CA9B410B4CE65A",
"54DF70456C86FAC10FAB47C1949AB83F2C6F7595",
SHA384,
'DSA1024'
),
(
"sample",
"09ECE7CA27D0F5A4DD4E556C9DF1D21D28104F8B",
"16C3491F9B8C3FBBDD5E7A7B667057F0D8EE8E1B",
"02C36A127A7B89EDBB72E4FFBC71DABC7D4FC69C",
SHA512,
'DSA1024'
),
(
"test",
"5C842DF4F9E344EE09F056838B42C7A17F4A6433",
"42AB2052FD43E123F0607F115052A67DCD9C5C77",
"183916B0230D45B9931491D4C6B0BD2FB4AAF088",
SHA1,
'DSA1024'
),
(
"test",
"4598B8EFC1A53BC8AECD58D1ABBB0C0C71E67297",
"6868E9964E36C1689F6037F91F28D5F2C30610F2",
"49CEC3ACDC83018C5BD2674ECAAD35B8CD22940F",
SHA224,
'DSA1024'
),
(
"test",
"5A67592E8128E03A417B0484410FB72C0B630E1A",
"22518C127299B0F6FDC9872B282B9E70D0790812",
"6837EC18F150D55DE95B5E29BE7AF5D01E4FE160",
SHA256,
'DSA1024'
),
(
"test",
"220156B761F6CA5E6C9F1B9CF9C24BE25F98CD89",
"854CF929B58D73C3CBFDC421E8D5430CD6DB5E66",
"91D0E0F53E22F898D158380676A871A157CDA622",
SHA384,
'DSA1024'
),
(
"test",
"65D2C2EEB175E370F28C75BFCDC028D22C7DBE9C",
"8EA47E475BA8AC6F2D821DA3BD212D11A3DEB9A0",
"7C670C7AD72B6C050C109E1790008097125433E8",
SHA512,
'DSA1024'
),
(
"sample",
"888FA6F7738A41BDC9846466ABDB8174C0338250AE50CE955CA16230F9CBD53E",
"3A1B2DBD7489D6ED7E608FD036C83AF396E290DBD602408E8677DAABD6E7445A",
"D26FCBA19FA3E3058FFC02CA1596CDBB6E0D20CB37B06054F7E36DED0CDBBCCF",
SHA1,
'DSA2048'
),
(
"sample",
"BC372967702082E1AA4FCE892209F71AE4AD25A6DFD869334E6F153BD0C4D806",
"DC9F4DEADA8D8FF588E98FED0AB690FFCE858DC8C79376450EB6B76C24537E2C",
"A65A9C3BC7BABE286B195D5DA68616DA8D47FA0097F36DD19F517327DC848CEC",
SHA224,
'DSA2048'
),
(
"sample",
"8926A27C40484216F052F4427CFD5647338B7B3939BC6573AF4333569D597C52",
"EACE8BDBBE353C432A795D9EC556C6D021F7A03F42C36E9BC87E4AC7932CC809",
"7081E175455F9247B812B74583E9E94F9EA79BD640DC962533B0680793A38D53",
SHA256,
'DSA2048'
),
(
"sample",
"C345D5AB3DA0A5BCB7EC8F8FB7A7E96069E03B206371EF7D83E39068EC564920",
"B2DA945E91858834FD9BF616EBAC151EDBC4B45D27D0DD4A7F6A22739F45C00B",
"19048B63D9FD6BCA1D9BAE3664E1BCB97F7276C306130969F63F38FA8319021B",
SHA384,
'DSA2048'
),
(
"sample",
"5A12994431785485B3F5F067221517791B85A597B7A9436995C89ED0374668FC",
"2016ED092DC5FB669B8EFB3D1F31A91EECB199879BE0CF78F02BA062CB4C942E",
"D0C76F84B5F091E141572A639A4FB8C230807EEA7D55C8A154A224400AFF2351",
SHA512,
'DSA2048'
),
(
"test",
"6EEA486F9D41A037B2C640BC5645694FF8FF4B98D066A25F76BE641CCB24BA4F",
"C18270A93CFC6063F57A4DFA86024F700D980E4CF4E2CB65A504397273D98EA0",
"414F22E5F31A8B6D33295C7539C1C1BA3A6160D7D68D50AC0D3A5BEAC2884FAA",
SHA1,
'DSA2048'
),
(
"test",
"06BD4C05ED74719106223BE33F2D95DA6B3B541DAD7BFBD7AC508213B6DA6670",
"272ABA31572F6CC55E30BF616B7A265312018DD325BE031BE0CC82AA17870EA3",
"E9CC286A52CCE201586722D36D1E917EB96A4EBDB47932F9576AC645B3A60806",
SHA224,
'DSA2048'
),
(
"test",
"1D6CE6DDA1C5D37307839CD03AB0A5CBB18E60D800937D67DFB4479AAC8DEAD7",
"8190012A1969F9957D56FCCAAD223186F423398D58EF5B3CEFD5A4146A4476F0",
"7452A53F7075D417B4B013B278D1BB8BBD21863F5E7B1CEE679CF2188E1AB19E",
SHA256,
'DSA2048'
),
(
"test",
"206E61F73DBE1B2DC8BE736B22B079E9DACD974DB00EEBBC5B64CAD39CF9F91C",
"239E66DDBE8F8C230A3D071D601B6FFBDFB5901F94D444C6AF56F732BEB954BE",
"6BD737513D5E72FE85D1C750E0F73921FE299B945AAD1C802F15C26A43D34961",
SHA384,
'DSA2048'
),
(
"test",
"AFF1651E4CD6036D57AA8B2A05CCF1A9D5A40166340ECBBDC55BE10B568AA0AA",
"89EC4BB1400ECCFF8E7D9AA515CD1DE7803F2DAFF09693EE7FD1353E90A68307",
"C9F0BDABCC0D880BB137A994CC7F3980CE91CC10FAF529FC46565B15CEA854E1",
SHA512,
'DSA2048'
)
]
def setUp(self):
# Convert DSA key components from hex strings to integers
# Each key is (p, q, g, x, y, desc)
from collections import namedtuple
TestKey = namedtuple('TestKey', 'p q g x y')
new_keys = {}
for k in self.keys:
tk = TestKey(*[ t2l(y) for y in k[:-1] ])
new_keys[k[-1]] = tk
self.keys = new_keys
# Convert signature encoding
TestSig = namedtuple('TestSig', 'message nonce result module test_key')
new_signatures = []
for message, nonce, r, s, module, test_key in self.signatures:
tsig = TestSig(
tobytes(message),
t2l(nonce),
t2b(r) + t2b(s),
module,
self.keys[test_key]
)
new_signatures.append(tsig)
self.signatures = new_signatures
def test1(self):
q = 0x4000000000000000000020108A2E0CC0D99F8A5EF
x = 0x09A4D6792295A7F730FC3F2B49CBC0F62E862272F
p = 2 * q + 1
y = pow(2, x, p)
key = DSA.construct([pow(y, 2, p), 2, p, q, x], False)
signer = DSS.new(key, 'deterministic-rfc6979')
# Test _int2octets
self.assertEqual(hexlify(signer._int2octets(x)),
b'009a4d6792295a7f730fc3f2b49cbc0f62e862272f')
# Test _bits2octets
h1 = SHA256.new(b"sample").digest()
self.assertEqual(hexlify(signer._bits2octets(h1)),
b'01795edf0d54db760f156d0dac04c0322b3a204224')
def test2(self):
for sig in self.signatures:
tk = sig.test_key
key = DSA.construct([tk.y, tk.g, tk.p, tk.q, tk.x], False)
signer = DSS.new(key, 'deterministic-rfc6979')
hash_obj = sig.module.new(sig.message)
result = signer.sign(hash_obj)
self.assertEqual(sig.result, result)
class Det_ECDSA_Tests(unittest.TestCase):
key_priv_p256 = ECC.construct(curve="P-256", d=0xC9AFA9D845BA75166B5C215767B1D6934E50C3DB36E89B127B8A622B120F6721)
key_pub_p256 = key_priv_p256.public_key()
key_priv_p384 = ECC.construct(curve="P-384", d=0x6B9D3DAD2E1B8C1C05B19875B6659F4DE23C3B667BF297BA9AA47740787137D896D5724E4C70A825F872C9EA60D2EDF5)
key_pub_p384 = key_priv_p384.public_key()
key_priv_p521 = ECC.construct(curve="P-521", d=0x0FAD06DAA62BA3B25D2FB40133DA757205DE67F5BB0018FEE8C86E1B68C7E75CAA896EB32F1F47C70855836A6D16FCC1466F6D8FBEC67DB89EC0C08B0E996B83538)
key_pub_p521 = key_priv_p521.public_key()
# This is a sequence of items:
# message, k, r, s, hash module
# taken from RFC6979
signatures_p256_ = (
(
"sample",
"882905F1227FD620FBF2ABF21244F0BA83D0DC3A9103DBBEE43A1FB858109DB4",
"61340C88C3AAEBEB4F6D667F672CA9759A6CCAA9FA8811313039EE4A35471D32",
"6D7F147DAC089441BB2E2FE8F7A3FA264B9C475098FDCF6E00D7C996E1B8B7EB",
SHA1
),
(
"sample",
"103F90EE9DC52E5E7FB5132B7033C63066D194321491862059967C715985D473",
"53B2FFF5D1752B2C689DF257C04C40A587FABABB3F6FC2702F1343AF7CA9AA3F",
"B9AFB64FDC03DC1A131C7D2386D11E349F070AA432A4ACC918BEA988BF75C74C",
SHA224
),
(
"sample",
"A6E3C57DD01ABE90086538398355DD4C3B17AA873382B0F24D6129493D8AAD60",
"EFD48B2AACB6A8FD1140DD9CD45E81D69D2C877B56AAF991C34D0EA84EAF3716",
"F7CB1C942D657C41D436C7A1B6E29F65F3E900DBB9AFF4064DC4AB2F843ACDA8",
SHA256
),
(
"sample",
"09F634B188CEFD98E7EC88B1AA9852D734D0BC272F7D2A47DECC6EBEB375AAD4",
"0EAFEA039B20E9B42309FB1D89E213057CBF973DC0CFC8F129EDDDC800EF7719",
"4861F0491E6998B9455193E34E7B0D284DDD7149A74B95B9261F13ABDE940954",
SHA384
),
(
"sample",
"5FA81C63109BADB88C1F367B47DA606DA28CAD69AA22C4FE6AD7DF73A7173AA5",
"8496A60B5E9B47C825488827E0495B0E3FA109EC4568FD3F8D1097678EB97F00",
"2362AB1ADBE2B8ADF9CB9EDAB740EA6049C028114F2460F96554F61FAE3302FE",
SHA512
),
(
"test",
"8C9520267C55D6B980DF741E56B4ADEE114D84FBFA2E62137954164028632A2E",
"0CBCC86FD6ABD1D99E703E1EC50069EE5C0B4BA4B9AC60E409E8EC5910D81A89",
"01B9D7B73DFAA60D5651EC4591A0136F87653E0FD780C3B1BC872FFDEAE479B1",
SHA1
),
(
"test",
"669F4426F2688B8BE0DB3A6BD1989BDAEFFF84B649EEB84F3DD26080F667FAA7",
"C37EDB6F0AE79D47C3C27E962FA269BB4F441770357E114EE511F662EC34A692",
"C820053A05791E521FCAAD6042D40AEA1D6B1A540138558F47D0719800E18F2D",
SHA224
),
(
"test",
"D16B6AE827F17175E040871A1C7EC3500192C4C92677336EC2537ACAEE0008E0",
"F1ABB023518351CD71D881567B1EA663ED3EFCF6C5132B354F28D3B0B7D38367",
"019F4113742A2B14BD25926B49C649155F267E60D3814B4C0CC84250E46F0083",
SHA256
),
(
"test",
"16AEFFA357260B04B1DD199693960740066C1A8F3E8EDD79070AA914D361B3B8",
"83910E8B48BB0C74244EBDF7F07A1C5413D61472BD941EF3920E623FBCCEBEB6",
"8DDBEC54CF8CD5874883841D712142A56A8D0F218F5003CB0296B6B509619F2C",
SHA384
),
(
"test",
"6915D11632ACA3C40D5D51C08DAF9C555933819548784480E93499000D9F0B7F",
"461D93F31B6540894788FD206C07CFA0CC35F46FA3C91816FFF1040AD1581A04",
"39AF9F15DE0DB8D97E72719C74820D304CE5226E32DEDAE67519E840D1194E55",
SHA512
)
)
signatures_p384_ = (
(
"sample",
"4471EF7518BB2C7C20F62EAE1C387AD0C5E8E470995DB4ACF694466E6AB096630F29E5938D25106C3C340045A2DB01A7",
"EC748D839243D6FBEF4FC5C4859A7DFFD7F3ABDDF72014540C16D73309834FA37B9BA002899F6FDA3A4A9386790D4EB2",
"A3BCFA947BEEF4732BF247AC17F71676CB31A847B9FF0CBC9C9ED4C1A5B3FACF26F49CA031D4857570CCB5CA4424A443",
SHA1
),
(
"sample",
"A4E4D2F0E729EB786B31FC20AD5D849E304450E0AE8E3E341134A5C1AFA03CAB8083EE4E3C45B06A5899EA56C51B5879",
"42356E76B55A6D9B4631C865445DBE54E056D3B3431766D0509244793C3F9366450F76EE3DE43F5A125333A6BE060122",
"9DA0C81787064021E78DF658F2FBB0B042BF304665DB721F077A4298B095E4834C082C03D83028EFBF93A3C23940CA8D",
SHA224
),
(
"sample",
"180AE9F9AEC5438A44BC159A1FCB277C7BE54FA20E7CF404B490650A8ACC414E375572342863C899F9F2EDF9747A9B60",
"21B13D1E013C7FA1392D03C5F99AF8B30C570C6F98D4EA8E354B63A21D3DAA33BDE1E888E63355D92FA2B3C36D8FB2CD",
"F3AA443FB107745BF4BD77CB3891674632068A10CA67E3D45DB2266FA7D1FEEBEFDC63ECCD1AC42EC0CB8668A4FA0AB0",
SHA256
),
(
"sample",
"94ED910D1A099DAD3254E9242AE85ABDE4BA15168EAF0CA87A555FD56D10FBCA2907E3E83BA95368623B8C4686915CF9",
"94EDBB92A5ECB8AAD4736E56C691916B3F88140666CE9FA73D64C4EA95AD133C81A648152E44ACF96E36DD1E80FABE46",
"99EF4AEB15F178CEA1FE40DB2603138F130E740A19624526203B6351D0A3A94FA329C145786E679E7B82C71A38628AC8",
SHA384
),
(
"sample",
"92FC3C7183A883E24216D1141F1A8976C5B0DD797DFA597E3D7B32198BD35331A4E966532593A52980D0E3AAA5E10EC3",
"ED0959D5880AB2D869AE7F6C2915C6D60F96507F9CB3E047C0046861DA4A799CFE30F35CC900056D7C99CD7882433709",
"512C8CCEEE3890A84058CE1E22DBC2198F42323CE8ACA9135329F03C068E5112DC7CC3EF3446DEFCEB01A45C2667FDD5",
SHA512
),
(
"test",
"66CC2C8F4D303FC962E5FF6A27BD79F84EC812DDAE58CF5243B64A4AD8094D47EC3727F3A3C186C15054492E30698497",
"4BC35D3A50EF4E30576F58CD96CE6BF638025EE624004A1F7789A8B8E43D0678ACD9D29876DAF46638645F7F404B11C7",
"D5A6326C494ED3FF614703878961C0FDE7B2C278F9A65FD8C4B7186201A2991695BA1C84541327E966FA7B50F7382282",
SHA1
),
(
"test",
"18FA39DB95AA5F561F30FA3591DC59C0FA3653A80DAFFA0B48D1A4C6DFCBFF6E3D33BE4DC5EB8886A8ECD093F2935726",
"E8C9D0B6EA72A0E7837FEA1D14A1A9557F29FAA45D3E7EE888FC5BF954B5E62464A9A817C47FF78B8C11066B24080E72",
"07041D4A7A0379AC7232FF72E6F77B6DDB8F09B16CCE0EC3286B2BD43FA8C6141C53EA5ABEF0D8231077A04540A96B66",
SHA224
),
(
"test",
"0CFAC37587532347DC3389FDC98286BBA8C73807285B184C83E62E26C401C0FAA48DD070BA79921A3457ABFF2D630AD7",
"6D6DEFAC9AB64DABAFE36C6BF510352A4CC27001263638E5B16D9BB51D451559F918EEDAF2293BE5B475CC8F0188636B",
"2D46F3BECBCC523D5F1A1256BF0C9B024D879BA9E838144C8BA6BAEB4B53B47D51AB373F9845C0514EEFB14024787265",
SHA256
),
(
"test",
"015EE46A5BF88773ED9123A5AB0807962D193719503C527B031B4C2D225092ADA71F4A459BC0DA98ADB95837DB8312EA",
"8203B63D3C853E8D77227FB377BCF7B7B772E97892A80F36AB775D509D7A5FEB0542A7F0812998DA8F1DD3CA3CF023DB",
"DDD0760448D42D8A43AF45AF836FCE4DE8BE06B485E9B61B827C2F13173923E06A739F040649A667BF3B828246BAA5A5",
SHA384
),
(
"test",
"3780C4F67CB15518B6ACAE34C9F83568D2E12E47DEAB6C50A4E4EE5319D1E8CE0E2CC8A136036DC4B9C00E6888F66B6C",
"A0D5D090C9980FAF3C2CE57B7AE951D31977DD11C775D314AF55F76C676447D06FB6495CD21B4B6E340FC236584FB277",
"976984E59B4C77B0E8E4460DCA3D9F20E07B9BB1F63BEEFAF576F6B2E8B224634A2092CD3792E0159AD9CEE37659C736",
SHA512
),
)
signatures_p521_ = (
(
"sample",
"0089C071B419E1C2820962321787258469511958E80582E95D8378E0C2CCDB3CB42BEDE42F50E3FA3C71F5A76724281D31D9C89F0F91FC1BE4918DB1C03A5838D0F9",
"00343B6EC45728975EA5CBA6659BBB6062A5FF89EEA58BE3C80B619F322C87910FE092F7D45BB0F8EEE01ED3F20BABEC079D202AE677B243AB40B5431D497C55D75D",
"00E7B0E675A9B24413D448B8CC119D2BF7B2D2DF032741C096634D6D65D0DBE3D5694625FB9E8104D3B842C1B0E2D0B98BEA19341E8676AEF66AE4EBA3D5475D5D16",
SHA1
),
(
"sample",
"0121415EC2CD7726330A61F7F3FA5DE14BE9436019C4DB8CB4041F3B54CF31BE0493EE3F427FB906393D895A19C9523F3A1D54BB8702BD4AA9C99DAB2597B92113F3",
"01776331CFCDF927D666E032E00CF776187BC9FDD8E69D0DABB4109FFE1B5E2A30715F4CC923A4A5E94D2503E9ACFED92857B7F31D7152E0F8C00C15FF3D87E2ED2E",
"0050CB5265417FE2320BBB5A122B8E1A32BD699089851128E360E620A30C7E17BA41A666AF126CE100E5799B153B60528D5300D08489CA9178FB610A2006C254B41F",
SHA224
),
(
"sample",
"00EDF38AFCAAECAB4383358B34D67C9F2216C8382AAEA44A3DAD5FDC9C32575761793FEF24EB0FC276DFC4F6E3EC476752F043CF01415387470BCBD8678ED2C7E1A0",
"01511BB4D675114FE266FC4372B87682BAECC01D3CC62CF2303C92B3526012659D16876E25C7C1E57648F23B73564D67F61C6F14D527D54972810421E7D87589E1A7",
"004A171143A83163D6DF460AAF61522695F207A58B95C0644D87E52AA1A347916E4F7A72930B1BC06DBE22CE3F58264AFD23704CBB63B29B931F7DE6C9D949A7ECFC",
SHA256
),
(
"sample",
"01546A108BC23A15D6F21872F7DED661FA8431DDBD922D0DCDB77CC878C8553FFAD064C95A920A750AC9137E527390D2D92F153E66196966EA554D9ADFCB109C4211",
"01EA842A0E17D2DE4F92C15315C63DDF72685C18195C2BB95E572B9C5136CA4B4B576AD712A52BE9730627D16054BA40CC0B8D3FF035B12AE75168397F5D50C67451",
"01F21A3CEE066E1961025FB048BD5FE2B7924D0CD797BABE0A83B66F1E35EEAF5FDE143FA85DC394A7DEE766523393784484BDF3E00114A1C857CDE1AA203DB65D61",
SHA384
),
(
"sample",
"01DAE2EA071F8110DC26882D4D5EAE0621A3256FC8847FB9022E2B7D28E6F10198B1574FDD03A9053C08A1854A168AA5A57470EC97DD5CE090124EF52A2F7ECBFFD3",
"00C328FAFCBD79DD77850370C46325D987CB525569FB63C5D3BC53950E6D4C5F174E25A1EE9017B5D450606ADD152B534931D7D4E8455CC91F9B15BF05EC36E377FA",
"00617CCE7CF5064806C467F678D3B4080D6F1CC50AF26CA209417308281B68AF282623EAA63E5B5C0723D8B8C37FF0777B1A20F8CCB1DCCC43997F1EE0E44DA4A67A",
SHA512
),
(
"test",
"00BB9F2BF4FE1038CCF4DABD7139A56F6FD8BB1386561BD3C6A4FC818B20DF5DDBA80795A947107A1AB9D12DAA615B1ADE4F7A9DC05E8E6311150F47F5C57CE8B222",
"013BAD9F29ABE20DE37EBEB823C252CA0F63361284015A3BF430A46AAA80B87B0693F0694BD88AFE4E661FC33B094CD3B7963BED5A727ED8BD6A3A202ABE009D0367",
"01E9BB81FF7944CA409AD138DBBEE228E1AFCC0C890FC78EC8604639CB0DBDC90F717A99EAD9D272855D00162EE9527567DD6A92CBD629805C0445282BBC916797FF",
SHA1
),
(
"test",
"0040D09FCF3C8A5F62CF4FB223CBBB2B9937F6B0577C27020A99602C25A01136987E452988781484EDBBCF1C47E554E7FC901BC3085E5206D9F619CFF07E73D6F706",
"01C7ED902E123E6815546065A2C4AF977B22AA8EADDB68B2C1110E7EA44D42086BFE4A34B67DDC0E17E96536E358219B23A706C6A6E16BA77B65E1C595D43CAE17FB",
"0177336676304FCB343CE028B38E7B4FBA76C1C1B277DA18CAD2A8478B2A9A9F5BEC0F3BA04F35DB3E4263569EC6AADE8C92746E4C82F8299AE1B8F1739F8FD519A4",
SHA224
),
(
"test",
"001DE74955EFAABC4C4F17F8E84D881D1310B5392D7700275F82F145C61E843841AF09035BF7A6210F5A431A6A9E81C9323354A9E69135D44EBD2FCAA7731B909258",
"000E871C4A14F993C6C7369501900C4BC1E9C7B0B4BA44E04868B30B41D8071042EB28C4C250411D0CE08CD197E4188EA4876F279F90B3D8D74A3C76E6F1E4656AA8",
"00CD52DBAA33B063C3A6CD8058A1FB0A46A4754B034FCC644766CA14DA8CA5CA9FDE00E88C1AD60CCBA759025299079D7A427EC3CC5B619BFBC828E7769BCD694E86",
SHA256
),
(
"test",
"01F1FC4A349A7DA9A9E116BFDD055DC08E78252FF8E23AC276AC88B1770AE0B5DCEB1ED14A4916B769A523CE1E90BA22846AF11DF8B300C38818F713DADD85DE0C88",
"014BEE21A18B6D8B3C93FAB08D43E739707953244FDBE924FA926D76669E7AC8C89DF62ED8975C2D8397A65A49DCC09F6B0AC62272741924D479354D74FF6075578C",
"0133330865C067A0EAF72362A65E2D7BC4E461E8C8995C3B6226A21BD1AA78F0ED94FE536A0DCA35534F0CD1510C41525D163FE9D74D134881E35141ED5E8E95B979",
SHA384
),
(
"test",
"016200813020EC986863BEDFC1B121F605C1215645018AEA1A7B215A564DE9EB1B38A67AA1128B80CE391C4FB71187654AAA3431027BFC7F395766CA988C964DC56D",
"013E99020ABF5CEE7525D16B69B229652AB6BDF2AFFCAEF38773B4B7D08725F10CDB93482FDCC54EDCEE91ECA4166B2A7C6265EF0CE2BD7051B7CEF945BABD47EE6D",
"01FBD0013C674AA79CB39849527916CE301C66EA7CE8B80682786AD60F98F7E78A19CA69EFF5C57400E3B3A0AD66CE0978214D13BAF4E9AC60752F7B155E2DE4DCE3",
SHA512
),
)
signatures_p256 = []
for a, b, c, d, e in signatures_p256_:
new_tv = (tobytes(a), unhexlify(b), unhexlify(c), unhexlify(d), e)
signatures_p256.append(new_tv)
signatures_p384 = []
for a, b, c, d, e in signatures_p384_:
new_tv = (tobytes(a), unhexlify(b), unhexlify(c), unhexlify(d), e)
signatures_p384.append(new_tv)
signatures_p521 = []
for a, b, c, d, e in signatures_p521_:
new_tv = (tobytes(a), unhexlify(b), unhexlify(c), unhexlify(d), e)
signatures_p521.append(new_tv)
def shortDescription(self):
return "Deterministic ECDSA Tests"
def test_loopback_p256(self):
hashed_msg = SHA512.new(b"test")
signer = DSS.new(self.key_priv_p256, 'deterministic-rfc6979')
signature = signer.sign(hashed_msg)
verifier = DSS.new(self.key_pub_p256, 'deterministic-rfc6979')
verifier.verify(hashed_msg, signature)
def test_loopback_p384(self):
hashed_msg = SHA512.new(b"test")
signer = DSS.new(self.key_priv_p384, 'deterministic-rfc6979')
signature = signer.sign(hashed_msg)
verifier = DSS.new(self.key_pub_p384, 'deterministic-rfc6979')
verifier.verify(hashed_msg, signature)
def test_loopback_p521(self):
hashed_msg = SHA512.new(b"test")
signer = DSS.new(self.key_priv_p521, 'deterministic-rfc6979')
signature = signer.sign(hashed_msg)
verifier = DSS.new(self.key_pub_p521, 'deterministic-rfc6979')
verifier.verify(hashed_msg, signature)
def test_data_rfc6979_p256(self):
signer = DSS.new(self.key_priv_p256, 'deterministic-rfc6979')
for message, k, r, s, module in self.signatures_p256:
hash_obj = module.new(message)
result = signer.sign(hash_obj)
self.assertEqual(r + s, result)
def test_data_rfc6979_p384(self):
signer = DSS.new(self.key_priv_p384, 'deterministic-rfc6979')
for message, k, r, s, module in self.signatures_p384:
hash_obj = module.new(message)
result = signer.sign(hash_obj)
self.assertEqual(r + s, result)
def test_data_rfc6979_p521(self):
signer = DSS.new(self.key_priv_p521, 'deterministic-rfc6979')
for message, k, r, s, module in self.signatures_p521:
hash_obj = module.new(message)
result = signer.sign(hash_obj)
self.assertEqual(r + s, result)
class TestVectorsDSAWycheproof(unittest.TestCase):
def __init__(self, wycheproof_warnings, slow_tests):
unittest.TestCase.__init__(self)
self._wycheproof_warnings = wycheproof_warnings
self._slow_tests = slow_tests
self._id = "None"
def setUp(self):
comps = "Crypto.SelfTest.Signature.test_vectors.wycheproof".split(".")
with open(pycryptodome_filename(comps, "dsa_test.json"), "rt") as file_in:
tv_tree = json.load(file_in)
self.tv = []
for group in tv_tree['testGroups']:
key = DSA.import_key(group['keyPem'])
hash_name = group['sha']
if hash_name == "SHA-256":
hash_module = SHA256
elif hash_name == "SHA-224":
hash_module = SHA224
elif hash_name == "SHA-1":
hash_module = SHA1
else:
assert False
assert group['type'] == "DsaVerify"
from collections import namedtuple
TestVector = namedtuple('TestVector', 'id comment msg sig key hash_module valid warning')
for test in group['tests']:
tv = TestVector(
test['tcId'],
test['comment'],
unhexlify(test['msg']),
unhexlify(test['sig']),
key,
hash_module,
test['result'] != "invalid",
test['result'] == "acceptable"
)
self.tv.append(tv)
def shortDescription(self):
return self._id
def warn(self, tv):
if tv.warning and self._wycheproof_warnings:
import warnings
warnings.warn("Wycheproof warning: %s (%s)" % (self._id, tv.comment))
def test_verify(self, tv):
self._id = "Wycheproof DSA Test #" + str(tv.id)
hashed_msg = tv.hash_module.new(tv.msg)
signer = DSS.new(tv.key, 'fips-186-3', encoding='der')
try:
signature = signer.verify(hashed_msg, tv.sig)
except ValueError as e:
if tv.warning:
return
assert not tv.valid
else:
assert tv.valid
self.warn(tv)
def runTest(self):
for tv in self.tv:
self.test_verify(tv)
class TestVectorsECDSAWycheproof(unittest.TestCase):
def __init__(self, wycheproof_warnings, slow_tests):
unittest.TestCase.__init__(self)
self._wycheproof_warnings = wycheproof_warnings
self._slow_tests = slow_tests
self._id = "None"
def add_tests(self, filename):
comps = "Crypto.SelfTest.Signature.test_vectors.wycheproof".split(".")
with open(pycryptodome_filename(comps, filename), "rt") as file_in:
tv_tree = json.load(file_in)
for group in tv_tree['testGroups']:
try:
key = ECC.import_key(group['keyPem'])
except ValueError:
continue
hash_name = group['sha']
if hash_name == "SHA-512":
hash_module = SHA512
elif hash_name == "SHA3-512":
hash_module = SHA3_512
elif hash_name == "SHA-384":
hash_module = SHA384
elif hash_name == "SHA3-384":
hash_module = SHA3_384
elif hash_name == "SHA-256":
hash_module = SHA256
elif hash_name == "SHA3-256":
hash_module = SHA3_256
elif hash_name == "SHA-224":
hash_module = SHA224
elif hash_name == "SHA-1":
hash_module = SHA1
else:
raise ValueError("Unknown hash type " + hash_name)
encoding_name = group['type']
if encoding_name == "EcdsaVerify":
encoding = "der"
elif encoding_name == "EcdsaP1363Verify":
encoding = "binary"
else:
raise ValueError("Unknown signature type " + encoding_name)
from collections import namedtuple
TestVector = namedtuple('TestVector', 'id comment msg encoding sig key hash_module valid warning filename')
for test in group['tests']:
tv = TestVector(
test['tcId'],
test['comment'],
unhexlify(test['msg']),
encoding,
unhexlify(test['sig']),
key,
hash_module,
test['result'] != "invalid",
test['result'] == "acceptable",
filename
)
self.tv.append(tv)
def setUp(self):
self.tv = []
self.add_tests("ecdsa_secp224r1_sha224_p1363_test.json")
self.add_tests("ecdsa_secp224r1_sha224_test.json")
if self._slow_tests:
self.add_tests("ecdsa_secp224r1_sha256_p1363_test.json")
self.add_tests("ecdsa_secp224r1_sha256_test.json")
self.add_tests("ecdsa_secp224r1_sha3_224_test.json")
self.add_tests("ecdsa_secp224r1_sha3_256_test.json")
self.add_tests("ecdsa_secp224r1_sha3_512_test.json")
self.add_tests("ecdsa_secp224r1_sha512_p1363_test.json")
self.add_tests("ecdsa_secp224r1_sha512_test.json")
self.add_tests("ecdsa_secp256r1_sha256_p1363_test.json")
self.add_tests("ecdsa_secp256r1_sha256_test.json")
self.add_tests("ecdsa_secp256r1_sha3_256_test.json")
self.add_tests("ecdsa_secp256r1_sha3_512_test.json")
self.add_tests("ecdsa_secp256r1_sha512_p1363_test.json")
self.add_tests("ecdsa_secp256r1_sha512_test.json")
if self._slow_tests:
self.add_tests("ecdsa_secp384r1_sha3_384_test.json")
self.add_tests("ecdsa_secp384r1_sha3_512_test.json")
self.add_tests("ecdsa_secp384r1_sha384_p1363_test.json")
self.add_tests("ecdsa_secp384r1_sha384_test.json")
self.add_tests("ecdsa_secp384r1_sha512_p1363_test.json")
self.add_tests("ecdsa_secp384r1_sha512_test.json")
if self._slow_tests:
self.add_tests("ecdsa_secp521r1_sha3_512_test.json")
self.add_tests("ecdsa_secp521r1_sha512_p1363_test.json")
self.add_tests("ecdsa_secp521r1_sha512_test.json")
self.add_tests("ecdsa_test.json")
self.add_tests("ecdsa_webcrypto_test.json")
def shortDescription(self):
return self._id
def warn(self, tv):
if tv.warning and self._wycheproof_warnings:
import warnings
warnings.warn("Wycheproof warning: %s (%s)" % (self._id, tv.comment))
def test_verify(self, tv):
self._id = "Wycheproof ECDSA Test #%d (%s, %s)" % (tv.id, tv.comment, tv.filename)
hashed_msg = tv.hash_module.new(tv.msg)
signer = DSS.new(tv.key, 'fips-186-3', encoding=tv.encoding)
try:
signature = signer.verify(hashed_msg, tv.sig)
except ValueError as e:
if tv.warning:
return
if tv.comment == "k*G has a large x-coordinate":
return
assert not tv.valid
else:
assert tv.valid
self.warn(tv)
def runTest(self):
for tv in self.tv:
self.test_verify(tv)
def get_tests(config={}):
wycheproof_warnings = config.get('wycheproof_warnings')
tests = []
tests += list_test_cases(FIPS_DSA_Tests)
tests += list_test_cases(FIPS_ECDSA_Tests)
tests += list_test_cases(Det_DSA_Tests)
tests += list_test_cases(Det_ECDSA_Tests)
slow_tests = not config.get('slow_tests')
if slow_tests:
tests += list_test_cases(FIPS_DSA_Tests_KAT)
tests += list_test_cases(FIPS_ECDSA_Tests_KAT)
tests += [ TestVectorsDSAWycheproof(wycheproof_warnings, slow_tests) ]
tests += [ TestVectorsECDSAWycheproof(wycheproof_warnings, slow_tests) ]
return tests
if __name__ == '__main__':
suite = lambda: unittest.TestSuite(get_tests())
unittest.main(defaultTest='suite')
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