Review rev_3f339157c4124c5fb9cf6d8a4ff5918d

{
  "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/p521/p521_jmixadd.S",
      "hash": "blake3:c4f7a7671a3e07c4f6d4b37522ec1ff25c9bc247584c1ab461ba5a30377c34f5",
      "summary": "Reviewed the x86-64 assembly routine for P-521 Jacobian mixed addition in `p521_jmixadd.S`, including its stack/register setup and conditional copy/mux logic. I found no concrete malicious or supply-chain indicators: there are no install hooks, network or exfiltration code, credential access, dynamic code loading, obfuscation/deobfuscation pipelines, or persistence/tampering behavior in this file.",
      "severity": "none",
      "confidence": "high"
    }
  ]
}