Review rev_7e69070973744dacbeb20ffd8fcfa882

{
  "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/x86_att/p384/bignum_sub_p384.S",
      "hash": "blake3:564adc0b1bef7d8bae7e009298dc57a35eb9aa0bfe94bcc49d31df71f472a861",
      "summary": "Reviewed this x86-64 assembly routine for modular subtraction in the P-384 field. It only performs local arithmetic and ABI register shuffling; I found no concrete signs of install-time execution, network or exfiltration, credential access, dynamic code loading, obfuscation, or persistence behavior in this file.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/third_party/s2n-bignum/x86_att/p384/bignum_tomont_p384.S",
      "hash": "blake3:8bc06ac29e958c3a8f0bbe378edaa9eefb394e71044585acc336bd301a987e41",
      "summary": "Reviewed this x86-64 assembly routine for `bignum_tomont_p384`, which performs an in-place Montgomery-form conversion with ABI register shuffling, arithmetic reduction, and final write-back. I found no concrete indicators of install-time execution, network/exfiltration, credential access, dynamic code loading, obfuscation, or persistence behavior in the target file.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/third_party/s2n-bignum/x86_att/p384/bignum_tomont_p384_alt.S",
      "hash": "blake3:df0afbde530b822b7fcfbbc6851208e2bb6b698020ea43c9ac752fa82de68155",
      "summary": "Reviewed this x86-64 assembly routine for P-384 Montgomery conversion. It performs fixed arithmetic on six input limbs and I found no concrete indicators of install-time execution, network or exfiltration behavior, credential access, dynamic code loading, obfuscation, or persistence tampering in the target file.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/third_party/s2n-bignum/x86_att/p384/bignum_triple_p384.S",
      "hash": "blake3:8a28d7e2d7b726e107fa1e9f9f89ff35f5699928eb4f0e385986882c14c822e7",
      "summary": "Reviewed the x86-64 assembly routine implementing `bignum_triple_p384`, which performs an in-place modular triple using only register arithmetic and ABI save/restore logic. I found no concrete indicators of install-time execution, network or exfiltration, credential access, dynamic code loading, obfuscation, or persistence behavior in this file.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/third_party/s2n-bignum/x86_att/p384/bignum_triple_p384_alt.S",
      "hash": "blake3:09a9d55cae1af219d233d5e0931b840edcdcad382023539d412e9c6a7eac387d",
      "summary": "Reviewed this x86-64 assembly routine for `bignum_triple_p384_alt`, which performs a constant-time 3x modulo p-384 reduction on six 64-bit limbs. I checked for install hooks, network or exfiltration behavior, credential access, dynamic code loading, obfuscation, persistence tampering, and other hidden control-flow or payload execution, and found no concrete malicious or supply-chain indicators in the target file.",
      "severity": "none",
      "confidence": "high"
    }
  ]
}