Review rev_8ba37a47fe4b408e8bb8afb19f88d255

{
  "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/p384/bignum_add_p384.S",
      "hash": "blake3:555a2a59c776e5f85cb2db22a8b9fae8b4a04476dabe7699f0e80a3463a1e39d",
      "summary": "Reviewed the x86-64/P384 modular addition routine in assembly. It is a straight-line arithmetic implementation with ABI shims and no concrete indicators of install-time execution, network or credential access, dynamic code loading, obfuscation, or persistence behavior.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/third_party/s2n-bignum/s2n-bignum-imported/x86_att/p384/bignum_bigendian_6.S",
      "hash": "blake3:691103f01fca55681f7e925a5abbd62ade2c1d854fdbced20cc5c66fffb220d0",
      "summary": "Reviewed an x86-64 assembly helper that only performs 384-bit big-endian/little-endian word reversal for three exported bignum entry points. I checked for install-time hooks, hidden subprocesses, network/exfiltration, credential access, dynamic code loading, obfuscation, and persistence, and found no concrete malicious or supply-chain indicators.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/third_party/s2n-bignum/s2n-bignum-imported/x86_att/p384/bignum_cmul_p384.S",
      "hash": "blake3:ea9fd0b96a74e1f3b87c0d09eac19b65044b0273958001205e7e7f81c2eea14b",
      "summary": "Reviewed `aws-lc/third_party/s2n-bignum/s2n-bignum-imported/x86_att/p384/bignum_cmul_p384.S`, which is a hand-written x86-64 assembly routine for modular multiplication in P-384. I checked for install-time hooks, network or exfiltration behavior, dynamic code loading, obfuscation, persistence, and other supply-chain indicators, and found no concrete malicious or suspicious behavior in this file.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/third_party/s2n-bignum/s2n-bignum-imported/x86_att/p384/bignum_cmul_p384_alt.S",
      "hash": "blake3:a114f08f63860c7ce5ed738c5d009a6db27e0cb4be02e63e686c58071a65b00a",
      "summary": "Reviewed `aws-lc/third_party/s2n-bignum/s2n-bignum-imported/x86_att/p384/bignum_cmul_p384_alt.S`, an x86-64 assembly routine for modular multiplication in P-384. I checked for install-time hooks, subprocess execution, network or exfiltration behavior, credential access, dynamic code loading, obfuscation, and persistence, and found no concrete malicious or supply-chain indicators.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/third_party/s2n-bignum/s2n-bignum-imported/x86_att/p384/bignum_deamont_p384.S",
      "hash": "blake3:44b3ab37fceda23e760d833f87e47093170e0eed315bf24e70ae62a4ea935a4e",
      "summary": "Reviewed the x86-64 assembly implementation of `bignum_deamont_p384`, which performs a fixed P-384 Montgomery deconvolution/reduction and writes the resulting 6-word field element back to the caller. I found no concrete indicators of install-time execution, network or exfiltration behavior, credential access, dynamic code loading, obfuscation, or persistence in this target file.",
      "severity": "none",
      "confidence": "high"
    }
  ]
}