Review rev_db534f4634e74ade85903a8c112df92b

{
  "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/p256/p256_montjmixadd.S",
      "hash": "blake3:7b8252300de417c3932ad008d82d04f6ea8c6d4cd6b6d62ca9096bc581eeb733",
      "summary": "Reviewed this x86-64 assembly implementation of P-256 Montgomery-Jacobian mixed addition, including its arithmetic macros, register save/restore, and final conditional multiplexing. I found no concrete indicators of install-time execution, network/exfiltration, credential access, dynamic code loading, obfuscation, or persistence behavior in this target file.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/third_party/s2n-bignum/s2n-bignum-imported/x86_att/p256/p256_montjmixadd_alt.S",
      "hash": "blake3:7cb3147519df85b813a34275a710b57797a4734149408f86b11b6e3f41cbf772",
      "summary": "This file is hand-written x86-64 assembly implementing P-256 mixed point addition in Montgomery-Jacobian form, with register save/restore and arithmetic macros only. I checked it for install-time execution, network or exfiltration behavior, credential access, dynamic code loading, obfuscation, persistence, and other supply-chain indicators, and found no concrete malicious behavior.",
      "severity": "none",
      "confidence": "high"
    }
  ]
}