Removed insecure code from rsa/__init__.py
diff --git a/tests/test_integers.py b/tests/test_integers.py
index 1e318ab..111f8ab 100644
--- a/tests/test_integers.py
+++ b/tests/test_integers.py
@@ -2,7 +2,7 @@
 
 import unittest
 
-import rsa
+import rsa.core
 
 class IntegerTest(unittest.TestCase):
 
@@ -14,10 +14,10 @@
         message = 42
         print "\tMessage:   %d" % message
 
-        encrypted = rsa.encrypt_int(message, self.pub['e'], self.pub['n'])
+        encrypted = rsa.core.encrypt_int(message, self.pub.e, self.pub.n)
         print "\tEncrypted: %d" % encrypted
 
-        decrypted = rsa.decrypt_int(encrypted, self.priv['d'], self.pub['n'])
+        decrypted = rsa.core.decrypt_int(encrypted, self.priv.d, self.pub.n)
         print "\tDecrypted: %d" % decrypted
 
         self.assertEqual(message, decrypted)
@@ -26,10 +26,10 @@
 
         message = 42
 
-        signed = rsa.encrypt_int(message,self.priv['d'], self.pub['n'])
+        signed = rsa.core.encrypt_int(message,self.priv.d, self.pub.n)
         print "\tSigned:    %d" % signed
 
-        verified = rsa.decrypt_int(signed, self.pub['e'],self.pub['n'])
+        verified = rsa.core.decrypt_int(signed, self.pub.e,self.pub.n)
         print "\tVerified:  %d" % verified
 
         self.assertEqual(message, verified)
diff --git a/tests/test_strings.py b/tests/test_strings.py
index 8baa63d..38fae06 100644
--- a/tests/test_strings.py
+++ b/tests/test_strings.py
@@ -7,7 +7,7 @@
 class StringTest(unittest.TestCase):
 
     def setUp(self):
-        (self.pub, self.priv) = rsa.newkeys(64)
+        (self.pub, self.priv) = rsa.newkeys(384)
 
     def test_enc_dec(self):
 
@@ -22,16 +22,3 @@
 
         self.assertEqual(message, decrypted)
 
-    def test_sign_verify(self):
-
-        message = u"Euro=\u20ac ABCDEFGHIJKLMNOPQRSTUVWXYZ".encode('utf-8')
-        print "\tMessage:   %s" % message
-
-        signed = rsa.sign(message, self.priv)
-        print "\tSigned:    %s" % signed
-
-        verified = rsa.verify(signed, self.pub)
-        print "\tVerified:  %s" % verified
-
-        self.assertEqual(message, verified)
-