* Remove completely unused methods. * Deduplicate methods that were overloaded with both StringView and char const* parameters. A future commit will templatize GenericLexer by char type. This patch serves to make that a tiny bit easier.
Improve PEM decoding by parsing the header and returning it along the data. Also verify if the header is equal to the footer.
PEMType
This is required for the following commits to avoid a conflict with the `Certificate` namespace.