[ms-go1.23-support] Error out when encoding hash objects not implemented by the built-in providers #212
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This is a partial backport of #161 to the
ms-go1.23-support
branch.We shouldn't read arbitrary memory and return it to the caller unless we know what we are decoding. This PR makes calls to
MarshalBinary
andUnmarshalBinary
on hash objects to return an error when not using the built-in providers instead of attempting to marshal and unmarshal arbitrary memory, which normally end up in a panic while decoding the object.Note that in #161 we went a little further and made the
NewSHAX
functions return an object that doesn't implement the encoding interfaces when not using the built-in providers. That change is too big to be backported.