Fix unaligned memory access in ML-DSA#10816
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Description
Fix unaligned memory access in ML-DSA (Dilithium) encoding and decoding functions in
wc_mldsa.c. Direct casts frombyte*toword32*/word16*/sword32*are replaced withwriteUnalignedWord32,readUnalignedWord32, and byte-by-byte access, which are safe on strict-alignment platforms such as ARM and AArch64.Testing
Use
gcc -DHAVE_CONFIG_H -I. -DWOLFSSL_MLDSA_ALIGNMENT=0 -Wcast-align -c wolfcrypt/src/wc_mldsa.cto verify no new cast violations are introduced.Checklist