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…nctions The curve name to signature scheme mapping was inline in ecdsa_scheme(), making it untestable without generating a real key. Extract it into ecdsa_scheme_for_group (OpenSSL 3.0+) and ecdsa_scheme_for_nid (OpenSSL < 3.0) so the mapping can be verified directly. Add comprehensive tests: every supported curve name maps to the right scheme, unsupported and lookalike names are refused, and a round-trip test proves a generated key signs with the scheme its curve maps to and the signature verifies.
…hange) Add the internal infrastructure for library-context-aware operations. All callers pass None (default context), so there is no behavior change. New modules in openssl_internal: - key: d2i_PUBKEY_ex, d2i_AutoPrivateKey_ex, PKeyRefExt (moved from kem) - mac: EVP_MAC binding for HMAC - properties: EVP_set_default_properties and fips_enabled with libctx - rand: RAND_priv_bytes_ex with libctx Key changes: - PkeyCtxExt::new_from_name now takes a libctx parameter - HmacKey uses EVP_MAC (ossl300) or PKey (pre-300) with Zeroizing - encapsulate_init/decapsulate_init take &mut self - from_encoded_public_key takes a libctx parameter - All callers pass None (default context) This is the foundation for the public library context API and the crypto primitive wiring that follows.
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