Review rev_c12342dfa4b7413189fd807fdac1910b

{
  "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/sha3/sha3_keccak4_f1600.S",
      "hash": "blake3:cf8060ef4ec978424c53808779cbf14d2b2846242954ffbaf0a39b03b55dc023",
      "summary": "Hand-written x86-64 AVX2 assembly implementing the SHA3 Keccak-f1600 permutation over four parallel states, with stack/register shuffling and round-constant loads only. I checked for install hooks, subprocess execution, network or exfiltration, credential access, dynamic code loading, obfuscation, and persistence and found no concrete malicious or supply-chain indicators in this file.",
      "severity": "none",
      "confidence": "high"
    }
  ]
}