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25 lines
844 B
Diff
25 lines
844 B
Diff
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Patch taken from the Debian package for python-axolotl-0.1.39.
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See <https://bugs.gnu.org/29415>.
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Description: Removes IV paramenter from AES constructor, since it is not necessary for ctr mode.
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Author: Josue Ortega <josue@debian.org>
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Last-Update: 2017-04-13
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--- a/axolotl/sessioncipher.py
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+++ b/axolotl/sessioncipher.py
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@@ -228,13 +228,7 @@
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# counterint = struct.unpack(">L", counterbytes)[0]
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# counterint = int.from_bytes(counterbytes, byteorder='big')
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ctr = Counter.new(128, initial_value=counter)
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-
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- # cipher = AES.new(key, AES.MODE_CTR, counter=ctr)
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- ivBytes = bytearray(16)
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- ByteUtil.intToByteArray(ivBytes, 0, counter)
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-
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- cipher = AES.new(key, AES.MODE_CTR, IV=bytes(ivBytes), counter=ctr)
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-
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+ cipher = AES.new(key, AES.MODE_CTR, counter=ctr)
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return cipher
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