On Fri, 4 Mar 2022 12:29:28 GMT, Michael McMahon <micha...@openjdk.org> wrote:

> > So, maybe, we could have a 2nd net property with the default disabled 
> > algorithms and in net.properties we identify MD5 only for now. Users could 
> > add to that list if they want or even specify it on the command line. I 
> > think it's potentially confusing, but maybe there is a case for adding to 
> > the disabled list. I need to think about a way to do this without subvertng 
> > the point about making the user explicitly opt in.
> 
> Thinking about it again, I wonder if we should just deprecate SHA-1 at the 
> same time. I think there will be less compatibility impact than with MD5, and 
> it's basically broken as well. I don't see a reason to opt out of other 
> algorithms at this time.

I see - maybe we should have a security property identifying the list of 
algorithm that are disabled, and then a system property to reenable them?

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PR: https://git.openjdk.java.net/jdk/pull/7688

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