Review rev_91fd851ec4444418a71c09a7635eb59e

{
  "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_jdouble_alt.S",
      "hash": "blake3:781e8bbade1e72828182918779adca84dff5f6b6d61e3bdd81443cc85b2cb0c9",
      "summary": "Reviewed the x86-64 assembly routine for P-521 Jacobian point doubling in aws-lc/third_party/s2n-bignum/s2n-bignum-imported/x86_att/p521/p521_jdouble_alt.S. It is a straight arithmetic implementation with stack/register save-restore and no concrete indicators of install hooks, network or credential access, dynamic code loading, obfuscation, persistence, or other supply-chain abuse.",
      "severity": "none",
      "confidence": "high"
    }
  ]
}