Review rev_62a106853d304e998dca15be3c3a0533

{
  "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/fastmul/bignum_emontredc_8n.S",
      "hash": "blake3:a4c9407508dd2dcf4e067456c8d5a36541e6c3c7b145fa5aca14ea0b587b1685",
      "summary": "Reviewed the x86-64 assembly implementation of `bignum_emontredc_8n`, which performs Montgomery reduction in 8-word blocks using local arithmetic macros and stack/register management. I checked for install-time execution, subprocesses, network or exfiltration, secret access, dynamic code loading, obfuscation, and persistence behavior; none were present in this file.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/third_party/s2n-bignum/s2n-bignum-imported/x86_att/fastmul/bignum_kmul_16_32.S",
      "hash": "blake3:e94893fde7075c32bfd19b66f6ebea4c693d1832e30e943329cb5d5cdca5eefe",
      "summary": "Reviewed the handwritten x86-64 assembly implementation of `bignum_kmul_16_32`, which performs a fixed-size big-number multiply/add using BMI2/ADX instructions and stack/register management only. I checked for install-time hooks, hidden subprocesses, network or credential access, dynamic code loading, obfuscation, persistence, and other supply-chain indicators, and found none in this file.",
      "severity": "none",
      "confidence": "high"
    }
  ]
}