Do not try to verify empty signature.

1e600906 · Łukasz Nowak · ee49736b · 1e600906
Commit 1e600906 authored Sep 02, 2011 by Łukasz Nowak
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Showing with 3 additions and 2 deletions

slapos/libnetworkcache.py slapos/libnetworkcache.py +3 -2

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--- a/slapos/libnetworkcache.py
+++ b/slapos/libnetworkcache.py
@@ -213,8 +213,9 @@ class NetworkcacheClient(object):
    filtered_data_list = []
    if self.signature_certificate_list is not None:
      for data in data_list:
-        if self._verifySignatureInCertificateList(data[0], data[1]):
-          filtered_data_list.append(data)
+        if len(data[1]):
+          if self._verifySignatureInCertificateList(data[0], data[1]):
+            filtered_data_list.append(data)
    else:
      filtered_data_list = data_list