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Tobias Frauenschläger
fb6b62dd8e
NIST standardized the pre-standardization Dilithium signature scheme as ML-DSA in FIPS 204. Migrate the provider's user-visible surface to canonical spellings, with a temporary shim that preserves source-level backward compatibility for existing consumers. Renames ------- * File: wolfcrypt/src/dilithium.c -> wolfcrypt/src/wc_mldsa.c * New canonical header: wolfssl/wolfcrypt/wc_mldsa.h * Types: dilithium_key -> MlDsaKey, wc_dilithium_params -> MlDsaParams * Functions: wc_dilithium_* / wc_Dilithium_* -> wc_MlDsaKey_* * Build gates: HAVE_DILITHIUM -> WOLFSSL_HAVE_MLDSA, WOLFSSL_DILITHIUM_* / WC_DILITHIUM_* -> WOLFSSL_MLDSA_* / WC_MLDSA_* * Configure flag: --enable-mldsa (legacy --enable-dilithium still works) * CMake option: WOLFSSL_MLDSA (legacy WOLFSSL_DILITHIUM emits a DEPRECATION message) Backward compatibility ---------------------- wolfssl/wolfcrypt/dilithium.h is now a temporary compatibility shim: * Forward-translates legacy build gates to canonical (the two sub-gates read by certs_test.h are translated in settings.h so the auto-generated header is reachable without including dilithium.h; the remainder lives in dilithium.h itself). * Reverse-translates canonical gates back to legacy so unmigrated consumer code keying off HAVE_DILITHIUM / WOLFSSL_DILITHIUM_* keeps compiling. * Provides macro / static-inline aliases for the legacy type and function names so source-level callers compile unchanged. Sets WC_DILITHIUMKEY_TYPE_DEFINED to suppress strict-C99 typedef redefinition in asn_public.h. Two opt-outs are honored: WOLFSSL_NO_DILITHIUM_LEGACY_GATES disables build-gate translation; WOLFSSL_NO_DILITHIUM_LEGACY_NAMES disables the symbol aliases. Both are temporary and the shim will be removed in a future release. doc/dilithium-to-mldsa-migration.md describes the migration path for downstream consumers. ABI note -------- The library now exports wc_MlDsaKey_* instead of wc_dilithium_*. Pre-built binaries that linked against the legacy symbols need to recompile against the shim header (which resolves to the new symbols at compile time) or migrate to the canonical names directly. Source code keeps building unchanged. Other changes ------------- * wolfssl/wolfcrypt/memory.h: drop ML-DSA sub-gate branching for static memory pool sizing; WOLFSSL_HAVE_MLDSA builds now pick the larger LARGEST_MEM_BUCKET / WOLFMEM_BUCKETS / WOLFMEM_DIST unconditionally. Override these macros for small-mem builds. * gencertbuf.pl + wolfssl/certs_test.h: outer guards migrated to the canonical WOLFSSL_HAVE_MLDSA spelling. * tests/api/test_mldsa.c: adds compile-time API surface validators (canonical wc_MlDsaKey_* surface plus legacy alias surface) so signature drift produces a build error during make check. * IDE files (Xcode, INTIME-RTOS, WIN10, VS2022, CSharp wrapper), Zephyr CMakeLists.txt, and autotools include.am updated for the rename. * DYNAMIC_TYPE_DILITHIUM and ML_DSA_PCT_E retained as internal symbols; scheduled to be renamed alongside the eventual shim removal.