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Dec 16, 2019
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add vectors from RFC4754 #166

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67 changes: 66 additions & 1 deletion src/ecdsa/test_pyecdsa.py
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Original file line number Diff line number Diff line change
Expand Up @@ -10,7 +10,7 @@
import subprocess
import pytest
from binascii import hexlify, unhexlify
from hashlib import sha1, sha256, sha512
from hashlib import sha1, sha256, sha384, sha512
import hashlib
from functools import partial

Expand Down Expand Up @@ -1378,3 +1378,68 @@ def test_brainpoolP512r1(self):
y_Z=int("7DB71C3DEF63212841C463E881BDCF055523BD368240E6C3143BD8DEF8"
"B3B3223B95E0F53082FF5E412F4222537A43DF1C6D25729DDB51620A83"
"2BE6A26680A2", 16))

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@sahanaprasad07 sahanaprasad07 Dec 11, 2019

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extra line

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@tomato42 tomato42 Dec 12, 2019

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https://www.python.org/dev/peps/pep-0008/: "Surround top-level function and class definitions with two blank lines."


# https://tools.ietf.org/html/rfc4754#page-5
@pytest.mark.parametrize("w, gwx, gwy, k, msg, md, r, s, curve",
[pytest.param(
"DC51D3866A15BACDE33D96F992FCA99DA7E6EF0934E7097559C27F1614C88A7F",
"2442A5CC0ECD015FA3CA31DC8E2BBC70BF42D60CBCA20085E0822CB04235E970",
"6FC98BD7E50211A4A27102FA3549DF79EBCB4BF246B80945CDDFE7D509BBFD7D",
"9E56F509196784D963D1C0A401510EE7ADA3DCC5DEE04B154BF61AF1D5A6DECE",
b"abc",
sha256,
"CB28E0999B9C7715FD0A80D8E47A77079716CBBF917DD72E97566EA1C066957C",
"86FA3BB4E26CAD5BF90B7F81899256CE7594BB1EA0C89212748BFF3B3D5B0315",
NIST256p,
id="ECDSA-256"),
pytest.param(
"0BEB646634BA87735D77AE4809A0EBEA865535DE4C1E1DCB692E84708E81A5AF"
"62E528C38B2A81B35309668D73524D9F",
"96281BF8DD5E0525CA049C048D345D3082968D10FEDF5C5ACA0C64E6465A97EA"
"5CE10C9DFEC21797415710721F437922",
"447688BA94708EB6E2E4D59F6AB6D7EDFF9301D249FE49C33096655F5D502FAD"
"3D383B91C5E7EDAA2B714CC99D5743CA",
"B4B74E44D71A13D568003D7489908D564C7761E229C58CBFA18950096EB7463B"
"854D7FA992F934D927376285E63414FA",
b'abc',
sha384,
"FB017B914E29149432D8BAC29A514640B46F53DDAB2C69948084E2930F1C8F7E"
"08E07C9C63F2D21A07DCB56A6AF56EB3",
"B263A1305E057F984D38726A1B46874109F417BCA112674C528262A40A629AF1"
"CBB9F516CE0FA7D2FF630863A00E8B9F",
NIST384p,
id="ECDSA-384"),
pytest.param(
"0065FDA3409451DCAB0A0EAD45495112A3D813C17BFD34BDF8C1209D7DF58491"
"20597779060A7FF9D704ADF78B570FFAD6F062E95C7E0C5D5481C5B153B48B37"
"5FA1",
"0151518F1AF0F563517EDD5485190DF95A4BF57B5CBA4CF2A9A3F6474725A35F"
"7AFE0A6DDEB8BEDBCD6A197E592D40188901CECD650699C9B5E456AEA5ADD190"
"52A8",
"006F3B142EA1BFFF7E2837AD44C9E4FF6D2D34C73184BBAD90026DD5E6E85317"
"D9DF45CAD7803C6C20035B2F3FF63AFF4E1BA64D1C077577DA3F4286C58F0AEA"
"E643",
"00C1C2B305419F5A41344D7E4359933D734096F556197A9B244342B8B62F46F9"
"373778F9DE6B6497B1EF825FF24F42F9B4A4BD7382CFC3378A540B1B7F0C1B95"
"6C2F",
b'abc',
sha512,
"0154FD3836AF92D0DCA57DD5341D3053988534FDE8318FC6AAAAB68E2E6F4339"
"B19F2F281A7E0B22C269D93CF8794A9278880ED7DBB8D9362CAEACEE54432055"
"2251",
"017705A7030290D1CEB605A9A1BB03FF9CDD521E87A696EC926C8C10C8362DF4"
"975367101F67D1CF9BCCBF2F3D239534FA509E70AAC851AE01AAC68D62F86647"
"2660",
NIST521p,
id="ECDSA-521")
])
def test_RFC4754_vectors(w, gwx, gwy, k, msg, md, r, s, curve):
sk = SigningKey.from_string(unhexlify(w), curve)
vk = VerifyingKey.from_string(unhexlify(gwx + gwy), curve)
assert sk.verifying_key == vk
sig = sk.sign(msg, hashfunc=md, sigencode=sigencode_strings, k=int(k, 16))

assert sig == (unhexlify(r), unhexlify(s))

assert vk.verify(sig, msg, md, sigdecode_strings)