allow null params in AlgorithmIdentifiers with SHA hash function OIDs #8974
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RFC 4055 section 2.1 states "All implementations MUST accept both NULL and absent parameters as legal and equivalent encodings". It also makes some somewhat conflicting statements after that, but LibreSSL omits the null params for PSS, and OpenSSL parses this without issue so tolerance it is.
alex
approved these changes
May 27, 2023
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RFC 4055 section 2.1 states "All implementations MUST accept both NULL and absent parameters as legal and equivalent encodings".
It also makes some somewhat conflicting statements after that, but LibreSSL omits the null params for PSS, and OpenSSL parses this without issue so tolerance it is.
fixes #8907