New submission from Christian Heimes:
As of now the hash algorithm for HMAC defaults to MD5. However MD5 is
considered broken. HMAC-MD5 is still ok but shall not be used in new code.
Applications should slowly migrate away from HMAC-MD5 and use a more modern
algorithm like HMAC-SHA256.
Therefore I propose that default digestmod should be deprecated in Python 3.4
and removed in 3.5. Starting with Python 3.5 developer are forced to choose a
hash algorithm like SHA256. Our documentation shall suggest it, too.
In addition I would like to enhance the meaning of the `digestmod` argument a
bit. Right now it either must be a module or a callable. It should also support
a name, e.g. hmac.new("secret", digestmod="sha256")
----------
components: Library (Lib)
messages: 182662
nosy: christian.heimes
priority: normal
severity: normal
stage: needs patch
status: open
title: HMAC: deprecate default hash
type: behavior
versions: Python 3.4
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Python tracker <[email protected]>
<http://bugs.python.org/issue17276>
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