[issue9216] FIPS support for hashlib

[Christian Heimes]

Christian Heimes <lists at cheimes.de> added the comment:

I'm against exposing the function as hashlib.get_fips_mode() because it is an internal implementation detail. I don't want to confuse users or make users think that "if hashlib.get_fips_mode()" is sufficient for feature tests. For starters there are multiple levels and versions of the FIPS standard like FIPS-140-2 and FIPS-140-3.

Instead if doing a FIPS test, users and applications should perform a feature test and handle the error. The approach is future-proof and can also cover crypto policies restriction like minimum key sizes.

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue9216>
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