Review rev_a0574c41823d4a41a6aa629a0c1e57c0

{
  "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/p256/p256_montjdouble_alt.S",
      "hash": "blake3:674a0e94ff6ecf398ca04cf85e33a3fdecb5cb9b48ece04b26cc9e0c762f47a4",
      "summary": "Reviewed the ARM64 assembly in `p256_montjdouble_alt.S`, which implements P-256 Montgomery-Jacobian point doubling plus several inline modular arithmetic macros. I checked for install-time hooks, subprocess or network/exfiltration behavior, credential access, dynamic code loading, obfuscation, and persistence tampering, and found no concrete malicious or supply-chain indicators in this file.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/third_party/s2n-bignum/s2n-bignum-imported/arm/p256/p256_montjmixadd.S",
      "hash": "blake3:ecfd59cd37b83dced158a31969053f4f4cbcc9cccf5fc493e534ebcdb1b3c5a8",
      "summary": "Reviewed the ARM assembly implementation of `p256_montjmixadd`, which performs NIST P-256 mixed point addition using only local registers and stack temporaries. I found no install hooks, subprocesses, network or credential access, dynamic code loading, obfuscation, persistence, or other supply-chain indicators in this file.",
      "severity": "none",
      "confidence": "high"
    }
  ]
}