RSA Signature verification error.

Author: Roland Hedberg

src/cryptlib/ecc.py

@@ -66,7 +66,7 @@ def sign(self, h, priv, k=None):
             h >>= 1
         r = s = 0
         while r == 0 or s == 0:
-            if k == None:
+            if k is None:
                 k = (getrandbits(self.bits) % (self.N - 1)) + 1
             kinv = inv(k, self.N)
             kg = mulp(self.a, self.b, self.p, self.G, k)

src/jwkest/jws.py

@@ -107,7 +107,10 @@ def sign(self, msg, key):
     def verify(self, msg, sig, key):
         h = self.digest.new(msg)
         verifier = PKCS1_v1_5.new(key)
-        return verifier.verify(h, sig)
+        if verifier.verify(h, sig):
+            return True
+        else:
+            raise BadSignature
 
 
 class DSASigner(Signer):