Review rev_e66175388a8f469ab465e275b9480a03

{
  "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/arm/fastmul/bignum_kmul_32_64_neon.S",
      "hash": "blake3:19316bb2252108132c644a03bfa4f38e422fa367c60d957ebd2bcb941ef4eeeb",
      "summary": "Reviewed the ARM64 NEON assembly in `bignum_kmul_32_64_neon.S`, which implements Karatsuba-style big-number multiplication plus local helper routines and standard register save/restore. I checked for install-time hooks, network or exfiltration behavior, credential access, dynamic code loading, obfuscation, persistence, and other supply-chain indicators, and found none.",
      "severity": "none",
      "confidence": "high"
    }
  ]
}