Merge pull request #166 from tomato42/rfc4754-vectors

add vectors from RFC4754

Author: tomato42

src/ecdsa/test_pyecdsa.py

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