Nick Coghlan <ncogh...@gmail.com> added the comment:

Can people please stop raising a false dichotomy and using that as an excuse 
not to do anything?

The decision is not between "leak some information" and "leak no information". 
It is between "leak more information" and "leak less information".

The timing variations with standard comparison are relatively massive and 
relatively easy to analyse (if the time taken goes up, you got the previous 
digit correct).

With this comparison, they're far more subtle and require much greater analysis 
to figure out the significance of the timing changes. That reduces the pool of 
attackers to those capable of performing that analysis (or in possession of 
tools that will perform that analysis for them).

Yes, the docs and name are currently completely unacceptable. But scorched 
earth is not a good answer, because that just means people will fall back to 
using "==" which is *even worse* from a security point of view.

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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue15061>
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