fenleon 5aba5f522d C56-c closed: HardwareConfiguration.toBin + ValidationCertChain (rev 36) ...

- toBin(): the closed HardwareConfig::to_bin grammar — write_str/write_item prefixes,
  model, MAC (raw 6 B), serial, UUIDs, board, build, the 00 03 0b 52 constant, then
  the seven binary items in C58 export field order (serialEnc, platformUuidEnc,
  rootDiskUuidEnc, ROM, romEnc, MLB ASCII, mlbEnc). Corrects the rev-32/35 label:
  the raw second field is the MAC, not the ROM (multicast-bit + stub-type evidence).
- Round-trip verified byte-exact against the live 250-B session250 capture.
- ValidationCertChain: the step-1 cert data's framing (01, count, per cert
  u16be type, u16be len, DER; leaf LAST = DRM Technologies A01, the OAEP key cert).
- NacMint/NacValidation: rngPad130 -> rngPad, generalized to 0x17c - session250.size.
- Live smoke result recorded: step 1 OK vs Apple, step 2 returns 5003/EM — blob
  construction re-verified against the replay dumps; residue is outside the blob
  (spec rev 36, NAC-NOTES session-26). 217 tests green.

2026-10-12 16:59:18 +02:00

..

imessage-protocol-spec.md

C56-c closed: HardwareConfiguration.toBin + ValidationCertChain (rev 36)

2026-10-12 16:59:18 +02:00