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Add vector loader for X9.63 vectors

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Signed-off-by: Simo Sorce <simo@redhat.com>
This commit is contained in:
Simo Sorce 2015-09-22 21:56:20 -04:00
parent 53c8f6aa52
commit 7600dee648
2 changed files with 130 additions and 0 deletions
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81
tests/test_utils.py
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@ -24,6 +24,7 @@ from .utils import (
load_hash_vectors, load_kasvs_dh_vectors,
load_kasvs_ecdh_vectors, load_nist_vectors,
load_pkcs1_vectors, load_rsa_nist_vectors, load_vectors_from_file,
load_x963_vectors,
raises_unsupported_algorithm, select_backends, skip_if_empty
)
@ -3410,6 +3411,86 @@ ffdfa60dd7
assert expected == load_kasvs_ecdh_vectors(vector_data)
def test_load_x963_vectors():
vector_data = textwrap.dedent("""
# CAVS 12.0
# 'ANS X9.63-2001' information for sample
[SHA-1]
[shared secret length = 192]
[SharedInfo length = 0]
[key data length = 128]
COUNT = 0
Z = 1c7d7b5f0597b03d06a018466ed1a93e30ed4b04dc64ccdd
SharedInfo =
Counter = 00000001
Hash input 1 = 1c7d7b5f0597b03d06a018466ed1a93e30ed4b04dc64ccdd00000001
K1 = bf71dffd8f4d99223936beb46fee8ccc60439b7e
key_data = bf71dffd8f4d99223936beb46fee8ccc
COUNT = 1
Z = 5ed096510e3fcf782ceea98e9737993e2b21370f6cda2ab1
SharedInfo =
Counter = 00000001
Hash input 1 = 5ed096510e3fcf782ceea98e9737993e2b21370f6cda2ab100000001
K1 = ec3e224446bfd7b3be1df404104af953c1b2d0f5
key_data = ec3e224446bfd7b3be1df404104af953
[SHA-512]
[shared secret length = 521]
[SharedInfo length = 128]
[key data length = 1024]
COUNT = 0
Z = 00aa5bb79b33e389fa58ceadc047197f14e73712f452caa9fc4c9adb369348b8150739\
2f1a86ddfdb7c4ff8231c4bd0f44e44a1b55b1404747a9e2e753f55ef05a2d
SharedInfo = e3b5b4c1b0d5cf1d2b3a2f9937895d31
Counter = 00000001
Hash input 1 = 00aa5bb79b33e389fa58ceadc047197f14e73712f452caa9fc4c9ad\
b369348b81507392f1a86ddfdb7c4ff8231c4bd0f44e44a1b55b1404747a9e2e753f55ef05a2d0\
0000001e3b5b4c1b0d5cf1d2b3a2f9937895d31
K1 = 4463f869f3cc18769b52264b0112b5858f7ad32a5a2d96d8cffabf7fa733633d6\
e4dd2a599acceb3ea54a6217ce0b50eef4f6b40a5c30250a5a8eeee20800226
Counter = 00000002
Hash input 2 = 00aa5bb79b33e389fa58ceadc047197f14e73712f452caa9fc4c9ad\
b369348b81507392f1a86ddfdb7c4ff8231c4bd0f44e44a1b55b1404747a9e2e753f55ef05a2d0\
0000002e3b5b4c1b0d5cf1d2b3a2f9937895d31
K2 = 7089dbf351f3f5022aa9638bf1ee419dea9c4ff745a25ac27bda33ca08bd56dd1\
a59b4106cf2dbbc0ab2aa8e2efa7b17902d34276951ceccab87f9661c3e8816
key_data = 4463f869f3cc18769b52264b0112b5858f7ad32a5a2d96d8cffabf7fa733633\
d6e4dd2a599acceb3ea54a6217ce0b50eef4f6b40a5c30250a5a8eeee208002267089dbf351f3f\
5022aa9638bf1ee419dea9c4ff745a25ac27bda33ca08bd56dd1a59b4106cf2dbbc0ab2aa8e2ef\
a7b17902d34276951ceccab87f9661c3e8816
""").splitlines()
assert load_x963_vectors(vector_data) == [
{"hash": "SHA-1", "count": 0,
"shared secret length": 192,
"Z": "1c7d7b5f0597b03d06a018466ed1a93e30ed4b04dc64ccdd",
"SharedInfo length": 0,
"key data length": 128,
"key_data": "bf71dffd8f4d99223936beb46fee8ccc"},
{"hash": "SHA-1", "count": 1,
"shared secret length": 192,
"Z": "5ed096510e3fcf782ceea98e9737993e2b21370f6cda2ab1",
"SharedInfo length": 0,
"key data length": 128,
"key_data": "ec3e224446bfd7b3be1df404104af953"},
{"hash": "SHA-512", "count": 0,
"shared secret length": 521,
"Z": "00aa5bb79b33e389fa58ceadc047197f14e73712f452caa9fc4c9adb369348b\
81507392f1a86ddfdb7c4ff8231c4bd0f44e44a1b55b1404747a9e2e753f55ef05a2d",
"SharedInfo length": 128,
"SharedInfo": "e3b5b4c1b0d5cf1d2b3a2f9937895d31",
"key data length": 1024,
"key_data": "4463f869f3cc18769b52264b0112b5858f7ad32a5a2d96d8cffabf7f\
a733633d6e4dd2a599acceb3ea54a6217ce0b50eef4f6b40a5c30250a5a8eeee208002267089db\
f351f3f5022aa9638bf1ee419dea9c4ff745a25ac27bda33ca08bd56dd1a59b4106cf2dbbc0ab2\
aa8e2efa7b17902d34276951ceccab87f9661c3e8816"},
]
def test_vector_version():
assert cryptography.__version__ == cryptography_vectors.__version__

49
tests/utils.py
View file

@ -6,6 +6,7 @@ from __future__ import absolute_import, division, print_function
import binascii
import collections
import math
import re
from contextlib import contextmanager
@ -760,3 +761,51 @@ def load_kasvs_ecdh_vectors(vector_data):
}
return vectors
def load_x963_vectors(vector_data):
"""
Loads data out of the X9.63 vector data
"""
vectors = []
# Sets Metadata
hashname = None
vector = dict()
for line in vector_data:
line = line.strip()
if line.startswith("[SHA"):
hashname = line[1:-1]
shared_secret_len = 0
shared_info_len = 0
key_data_len = 0
elif line.startswith("[shared secret length"):
shared_secret_len = int(line[1:-1].split("=")[1].strip())
elif line.startswith("[SharedInfo length"):
shared_info_len = int(line[1:-1].split("=")[1].strip())
elif line.startswith("[key data length"):
key_data_len = int(line[1:-1].split("=")[1].strip())
elif line.startswith("COUNT"):
count = int(line.split("=")[1].strip())
vector["hash"] = hashname
vector["count"] = count
vector["shared secret length"] = shared_secret_len
vector["SharedInfo length"] = shared_info_len
vector["key data length"] = key_data_len
elif line.startswith("Z"):
vector["Z"] = line.split("=")[1].strip()
assert math.ceil(shared_secret_len / 8) * 2 == len(vector["Z"])
elif line.startswith("SharedInfo"):
if shared_info_len != 0:
vector["SharedInfo"] = line.split("=")[1].strip()
silen = len(vector["SharedInfo"])
assert math.ceil(shared_info_len / 8) * 2 == silen
elif line.startswith("key_data"):
vector["key_data"] = line.split("=")[1].strip()
assert math.ceil(key_data_len / 8) * 2 == len(vector["key_data"])
vectors.append(vector)
vector = dict()
return vectors