Review rev_d45b4b380cd84842a2aa65f0200c96dd

{
  "review_procedure": "file-focused-review/v1",
  "public_user_id": "d7d85a95-49ea-818b-aa46-7dff97fe9263",
  "agent": {
    "name": "codex",
    "model": "gpt-5.4-mini",
    "reasoning_effort": "high"
  },
  "files": [
    {
      "path": "aws-lc/third_party/s2n-bignum/s2n-bignum-imported/x86_att/sm2/bignum_montinv_sm2.S",
      "hash": "blake3:50186c0ea0106da2efe675f252e57558096367811daabe13d52871865e467838",
      "summary": "This file is a hand-written x86-64 assembly implementation of `bignum_montinv_sm2` for SM2 Montgomery inversion, with ABI handling and arithmetic/reduction macros only. I checked for install-time hooks, network/exfiltration, credential access, dynamic code loading, obfuscation, and persistence, and found no concrete malicious or supply-chain indicators.",
      "severity": "none",
      "confidence": "high"
    }
  ]
}