From: Victor Wagner <vitus@wagner.pp.ru>
Date: Tue, 21 Jun 2016 14:51:35 +0000 (+0300)
Subject: Use openssl pkey to convert EC key into printable form before comparing, because... 
X-Git-Url: http://www.wagner.pp.ru/gitweb/?p=oss%2Fctypescrypto.git;a=commitdiff_plain;h=9f76d65e4f372faa0f96d873d3ef07ca027038b9

Use openssl pkey to convert EC key into printable form before comparing, because different openssl versions use different privkey formats
---

diff --git a/tests/testec.py b/tests/testec.py
index 4fbf502..c5054a5 100644
--- a/tests/testec.py
+++ b/tests/testec.py
@@ -1,10 +1,22 @@
 from ctypescrypto.oid import Oid
 from ctypescrypto.ec import create
 from base64 import b16decode
+from subprocess import Popen, PIPE
 import unittest
 
+def dump_key(key):
+    """ Convert key into printable form using openssl utility
+       Used to compare keys which can be stored in different
+       format by different OpenSSL versions
+    """
+    return Popen(["openssl","pkey","-text","-noout"],stdin=PIPE,stdout=PIPE).communicate(key)[0]
 
-
+def dump_pub_key(key):
+    """ Convert key into printable form using openssl utility
+       Used to compare keys which can be stored in different
+       format by different OpenSSL versions
+    """
+    return Popen(["openssl","pkey","-text_pub","-noout"],stdin=PIPE,stdout=PIPE).communicate(key)[0]
 class TestEcCreation(unittest.TestCase):
     ec1priv="""-----BEGIN PRIVATE KEY-----
 MIGEAgEAMBAGByqGSM49AgEGBSuBBAAKBG0wawIBAQQgKnG6neqZvB98EEuuxnHs
@@ -22,11 +34,11 @@ cUqktWYGr/GB65Zr5Ky1z/nha2bYCb6U4hTwbJP9CRCZr5hJklXn
         key=create(Oid("secp256k1"),b16decode("2A71BA9DEA99BC1F7C104BAEC671EC7EFF8BFF969BB8D346DB4C3352A4699DC3",True))
             
         out=key.exportpriv()
-        self.assertEqual(out,self.ec1priv)
+        self.assertEqual(dump_key(out),dump_key(self.ec1priv))
 
     def test_bignum(self):
         keyval='\xff'*32
         key=create(Oid("secp256k1"),keyval)
-        self.assertEqual(key.exportpriv(),self.bigkey)
+        self.assertEqual(dump_key(key.exportpriv()),dump_key(self.bigkey))
 if __name__ == "__main__":
     unittest.main()