feat(tb): add KAT testbench for mlkem_top (ML-KEM-512)

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- gen_vectors.py: parse kat_MLKEM_512.rsp, generate hex vectors
- tb_mlkem_top_xsim.v: force-inject d/msg/z for KAT testing
- mlkem_top_input.hex: 5 vectors (d + msg + z)
- mlkem_top_expected.hex: 5 vectors (pk + sk + ct + ss)
- xsim_run.tcl: full dependency chain compilation

Known issue: mlkem_top FSM has combinational race on rng_valid_i
- rng_valid_i driven by state_r (registered) causes rng_sync
  to miss valid_i pulse when state transitions at posedge
- Fix: change rng_valid_i to use state_next pattern
  (same as sha3_top uses state_next for kc_valid_i)

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This commit is contained in:

FallenSigh

2026-06-27 01:07:34 +08:00

parent e3e02fc7ee

commit 0e6798beb5

5 changed files with 852 additions and 0 deletions

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