ECPy - pypi Package Compare versions

Comparing version 1.2.1 to 1.2.3

PKG-INFO

 Metadata-Version: 1.1
 Name: ECPy
-Version: 1.2.1
+Version: 1.2.3
 Summary: Pure Pyhton Elliptic Curve Library
@@ -58,2 +58,13 @@ Home-page: https://github.com/cslashm/ECPy
         
+        1.2.3
+        -----
+        
+        Fix ECSchnorr when r is greater than order. Main use case is when
+        using a hash function with bitlength greater than curve size.
+        
+        1.2.2
+        -----
+        
+        Fix ECDSA with rfc6979. Field was used instead of order for max random.
+        
         1.2.1
@@ -77,3 +88,3 @@ -----
         
-            Declare ONE infinity point per curve. 
+            Declare ONE infinity point per curve.
             Consider global (non attached to a curve) infinity point as deprecated
@@ -80,0 +91,0 @@

README.rst

@@ -50,2 +50,13 @@ ECPy
 
+1.2.3
+-----
+
+Fix ECSchnorr when r is greater than order. Main use case is when
+using a hash function with bitlength greater than curve size.
+
+1.2.2
+-----
+
+Fix ECDSA with rfc6979. Field was used instead of order for max random.
+
 1.2.1
@@ -69,3 +80,3 @@ -----
 
-    Declare ONE infinity point per curve. 
+    Declare ONE infinity point per curve.
     Consider global (non attached to a curve) infinity point as deprecated
@@ -72,0 +83,0 @@

setup.py

@@ -21,3 +21,2 @@ # Copyright 2016 Cedric Mesnil, Ubinity SAS
 
-reqs = []
 if  sys.version_info[0] == 2:
@@ -30,3 +29,3 @@ reqs.append('future')
 setup(name='ECPy',
-      version='1.2.1',
+      version='1.2.3',
       description='Pure Pyhton Elliptic Curve Library',
@@ -42,3 +41,2 @@ long_description=long_description,
       package_dir={'ecpy': 'src/ecpy'},
-      install_requires=reqs,
       classifiers=['Programming Language :: Python :: 2.7',
@@ -45,0 +43,0 @@ 'Programming Language :: Python :: 3',

src/ecpy/curve_defs.py

@@ -310,3 +310,3 @@ WEIERSTRASS   = "weierstrass"
         'type':      WEIERSTRASS,
-        'size':      192,
+        'size':      224,
         'a':         0xD7C134AA264366862A18302575D1D787B09F075797DA89F57EC8C0FC,
@@ -313,0 +313,0 @@ 'b':         0x4B337D934104CD7BEF271BF60CED1ED20DA14C08B3BB64F18A60888D,

src/ecpy/ecdsa.py

@@ -59,6 +59,6 @@ # Copyright 2016 Cedric Mesnil <[e-mail]>, Ubinity SAS
         """
-        field = pv_key.curve.field
+        order = pv_key.curve.order
         V = None
         for i in range(1,self.maxtries):
-            k,V = ecrand.rnd_rfc6979(msg, pv_key.d, field, hasher,V)
+            k,V = ecrand.rnd_rfc6979(msg, pv_key.d, order, hasher,V)
             sig = self._do_sign(msg, pv_key, k, canonical)
@@ -65,0 +65,0 @@ if sig:

src/ecpy/ecschnorr.py

@@ -168,3 +168,3 @@ # Copyright 2016 Cedric Mesnil <[e-mail]>, Ubinity SAS
         G     = curve.generator
-        size  = curve.size>>3
+        size  = (curve.size+7)//8
 
@@ -252,7 +252,8 @@ Q = G*k
         G     = pu_key.curve.generator
-        size  = curve.size>>3
+        size  = (curve.size+7)//8
 
         r,s = decode_sig(sig, self.fmt)
-        if (r == None or r > (pow(2,size*8)-1) or
-            s == 0 or s >= n ) :
+        if (r == None or s == None or
+            r == 0 or
+            s == 0 or s >= n ):
             return False
@@ -259,0 +260,0 @@ hasher = self._hasher()

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Improved metrics

Total package byte prevSize

144754

0.36%

Worsened metrics

Lines of code

3027

-0.03%