Review rev_46b515836a10435fa687a419c4e7daf8

{
  "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/arm/sha3/sha3_keccak4_f1600_alt2.S",
      "hash": "blake3:57f7f709fa38f8becb9e4b75bf5fef8dbb62d36631562466a4a6e0d75cb1d88c",
      "summary": "Reviewed `aws-lc/third_party/s2n-bignum/s2n-bignum-imported/arm/sha3/sha3_keccak4_f1600_alt2.S`, an ARMv8.4-a Keccak-f1600 x4 permutation implementation that transposes four SHA3 states, applies the 24-round permutation using caller-supplied round constants, and writes the transformed state back in place. I found no concrete indicators of install-time hooks, network/exfiltration, credential access, dynamic code loading, obfuscation, persistence, or hidden subprocess execution in this file.",
      "severity": "none",
      "confidence": "high"
    }
  ]
}