FallenSigh 4091fd0676 chore(enc): merge run_enc.sh into run_tb.sh; TB dumps hardware ct ...

run_tb.sh gains an 'enc' module that shares the 'top' KeyGen tcl compile
list (same RTL datapath) and swaps in tb_mlkem_enc_katK_xsim. Usage mirrors
'top': ./run_tb.sh enc [K] [CASE]; no args -> full sweep K=2/3/4 cases 0..2.
--list shows enc; per-case summary lines parse PASS (E7). run_enc.sh deleted.

tb_mlkem_enc_katK_xsim verify_e7 now dumps the hardware-produced ct (read
from ct_bram via the dbg_ct tap) on one line (byte 0 first), same format as
ml-kem-r's encaps_io example, so ss/ct can be eyeballed and diffed. On
mismatch it re-scans to print the first 8 differing byte positions.

Verified: ./run_tb.sh enc -> 9/9 PASS (E7) (ct==KAT.ct && ss==KAT.ss);
./run_tb.sh top 3 0 KeyGen unregressed.

2026-06-29 12:32:29 +08:00

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