[tor-commits] [stem/master] Providing ASCII bytes to hashlib.sha1()

[atagar@xxxxxxxxxxxxxx]

commit 6c855996c0daed3b6db222996dd651534c134c0d
Author: Damian Johnson <atagar@xxxxxxxxxxxxxx>
Date:   Wed Jan 30 09:32:03 2013 -0800

    Providing ASCII bytes to hashlib.sha1()
    
    Another unicode/ASCII bytes conversion issue...
    
    ======================================================================
    ERROR: test_metrics_descriptor
    ----------------------------------------------------------------------
    Traceback:
      File "/home/atagar/Desktop/stem/test/data/python3/test/integ/descriptor/server_descriptor.py", line 89, in test_metrics_descriptor
        self.assertEquals("2C7B27BEAB04B4E2459D89CA6D5CD1CC5F95A689", desc.digest())
      File "/home/atagar/Desktop/stem/test/data/python3/stem/descriptor/server_descriptor.py", line 666, in digest
        digest_hash = hashlib.sha1(for_digest)
    TypeError: Unicode-objects must be encoded before hashing
---
 stem/descriptor/extrainfo_descriptor.py |    3 ++-
 stem/descriptor/server_descriptor.py    |    4 ++--
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/stem/descriptor/extrainfo_descriptor.py b/stem/descriptor/extrainfo_descriptor.py
index 2c5b6dc..c64550c 100644
--- a/stem/descriptor/extrainfo_descriptor.py
+++ b/stem/descriptor/extrainfo_descriptor.py
@@ -71,6 +71,7 @@ import re
 import stem.descriptor
 import stem.util.connection
 import stem.util.enum
+import stem.util.str_tools
 
 # known statuses for dirreq-v2-resp and dirreq-v3-resp...
 DirResponse = stem.util.enum.Enum(
@@ -820,7 +821,7 @@ class RelayExtraInfoDescriptor(ExtraInfoDescriptor):
       # our digest is calculated from everything except our signature
       raw_content, ending = str(self), "\nrouter-signature\n"
       raw_content = raw_content[:raw_content.find(ending) + len(ending)]
-      self._digest = hashlib.sha1(raw_content).hexdigest().upper()
+      self._digest = hashlib.sha1(stem.util.str_tools.to_bytes(raw_content)).hexdigest().upper()
 
     return self._digest
 
diff --git a/stem/descriptor/server_descriptor.py b/stem/descriptor/server_descriptor.py
index 9e5004b..2376a56 100644
--- a/stem/descriptor/server_descriptor.py
+++ b/stem/descriptor/server_descriptor.py
@@ -663,7 +663,7 @@ class RelayDescriptor(ServerDescriptor):
 
       if start >= 0 and sig_start > 0 and end > start:
         for_digest = raw_descriptor[start:end]
-        digest_hash = hashlib.sha1(for_digest)
+        digest_hash = hashlib.sha1(stem.util.str_tools.to_bytes(for_digest))
         self._digest = digest_hash.hexdigest().upper()
       else:
         raise ValueError("unable to calculate digest for descriptor")
@@ -684,7 +684,7 @@ class RelayDescriptor(ServerDescriptor):
     if self.fingerprint:
       # calculate the signing key hash
 
-      key_der_as_hash = hashlib.sha1(key_as_bytes).hexdigest()
+      key_der_as_hash = hashlib.sha1(stem.util.str_tools.to_bytes(key_as_bytes)).hexdigest()
 
       if key_der_as_hash != self.fingerprint.lower():
         log.warn("Signing key hash: %s != fingerprint: %s" % (key_der_as_hash, self.fingerprint.lower()))



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