diff --git a/src/Config.py b/src/Config.py
index c461fe3a..f3704a18 100644
--- a/src/Config.py
+++ b/src/Config.py
@@ -8,7 +8,7 @@ class Config(object):
 
     def __init__(self, argv):
         self.version = "0.3.4"
-        self.rev = 665
+        self.rev = 667
         self.argv = argv
         self.action = None
         self.createParser()
diff --git a/src/lib/opensslVerify/opensslVerify.py b/src/lib/opensslVerify/opensslVerify.py
index 15ec2f1e..5294816f 100644
--- a/src/lib/opensslVerify/opensslVerify.py
+++ b/src/lib/opensslVerify/opensslVerify.py
@@ -195,14 +195,13 @@ ssl = None
 def openLibrary():
     global ssl
     try:
-        dll_paths = [
-            "src/lib/opensslVerify/libeay32.dll",
-            "/usr/local/ssl/lib/libcrypto.so",
-            "/bin/cygcrypto-1.0.0.dll"
-        ]
-        for dll_path in dll_paths :
-            if os.path.isfile(dll_path):
-                ssl = _OpenSSL(dll_path)
+        if sys.platform.startswith("win"):
+            dll_path = "src/lib/opensslVerify/libeay32.dll"
+        elif sys.platform == "cygwin":
+            dll_path = "/bin/cygcrypto-1.0.0.dll"
+        else:
+            dll_path = "/usr/local/ssl/lib/libcrypto.so"
+        ssl = _OpenSSL(dll_path)
         assert ssl
     except Exception, err:
         ssl = _OpenSSL(ctypes.util.find_library('ssl') or ctypes.util.find_library('crypto') or ctypes.util.find_library('libcrypto') or 'libeay32')
diff --git a/src/lib/pyelliptic/openssl.py b/src/lib/pyelliptic/openssl.py
index d765a104..86c7eab5 100644
--- a/src/lib/pyelliptic/openssl.py
+++ b/src/lib/pyelliptic/openssl.py
@@ -431,15 +431,13 @@ class _OpenSSL:
 def openLibrary():
     global OpenSSL
     try:
-        dll_paths = [
-            "src/lib/opensslVerify/libeay32.dll",
-            "/usr/local/ssl/lib/libcrypto.so",
-            "/bin/cygcrypto-1.0.0.dll"
-        ]
-        for dll_path in dll_paths :
-            print dll_path
-            if os.path.isfile(dll_path):
-                ssl = _OpenSSL(dll_path)
+        if sys.platform.startswith("win"):
+            dll_path = "src/lib/opensslVerify/libeay32.dll"
+        elif sys.platform == "cygwin":
+            dll_path = "/bin/cygcrypto-1.0.0.dll"
+        else:
+            dll_path = "/usr/local/ssl/lib/libcrypto.so"
+        ssl = _OpenSSL(dll_path)
         assert ssl
     except Exception, err:
         ssl = _OpenSSL(ctypes.util.find_library('ssl') or ctypes.util.find_library('crypto') or ctypes.util.find_library('libcrypto') or 'libeay32')
diff --git a/src/util/SslPatch.py b/src/util/SslPatch.py
index 915397c2..1daa7354 100644
--- a/src/util/SslPatch.py
+++ b/src/util/SslPatch.py
@@ -11,14 +11,13 @@ def openLibrary():
     import ctypes
     import ctypes.util
     try:
-        dll_paths = [
-            "src/lib/opensslVerify/libeay32.dll",
-            "/usr/local/ssl/lib/libcrypto.so",
-            "/bin/cygcrypto-1.0.0.dll"
-        ]
-        for dll_path in dll_paths:
-            if os.path.isfile(dll_path):
-                ssl = ctypes.CDLL(dll_path, ctypes.RTLD_GLOBAL)
+        if sys.platform.startswith("win"):
+            dll_path = "src/lib/opensslVerify/libeay32.dll"
+        elif sys.platform == "cygwin":
+            dll_path = "/bin/cygcrypto-1.0.0.dll"
+        else:
+            dll_path = "/usr/local/ssl/lib/libcrypto.so"
+        ssl = ctypes.CDLL(dll_path, ctypes.RTLD_GLOBAL)
         assert ssl
     except:
         dll_path = ctypes.util.find_library('ssl') or ctypes.util.find_library('crypto') or ctypes.util.find_library('libcrypto')