Review rev_4386094128eb42c5a15f3d768f0e410a

{
  "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/generic/bignum_le.S",
      "hash": "blake3:cd3ee69d846f704275312c1d985cf2eaf2227c439b6d08df21e1fd611a5d9e13",
      "summary": "Reviewed the x86-64 assembly implementation of `bignum_le`, a big-number comparison routine with a Windows ABI shim. I found no concrete indicators of install-time execution, network or exfiltration behavior, credential access, dynamic code loading, obfuscation, or persistence in this file.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/third_party/s2n-bignum/s2n-bignum-imported/x86_att/generic/bignum_lt.S",
      "hash": "blake3:b690bf77bb1ad3278652e796973f03e7aefd5effcb34c6f8a748cea414f80a90",
      "summary": "Reviewed `aws-lc/third_party/s2n-bignum/s2n-bignum-imported/x86_att/generic/bignum_lt.S`, an x86-64 assembly implementation of big-integer less-than comparison with ABI shims for Windows and ELF stack metadata. 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/generic/bignum_madd.S",
      "hash": "blake3:d12ac751bef1ff1d74a3d9d73968c4448c2247f307d514653a38b4877c9b0292",
      "summary": "Reviewed the x86-64 assembly implementation of `bignum_madd`, which performs in-register big-number multiply-add arithmetic with ABI-specific argument shuffling and carry propagation. I found no concrete indicators of install-time execution, network or exfiltration behavior, credential/secret access, dynamic code loading, obfuscation, persistence, or other supply-chain compromise patterns in this file.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/third_party/s2n-bignum/s2n-bignum-imported/x86_att/generic/bignum_modadd.S",
      "hash": "blake3:bf4a0028686e4390569d682fb70971129c3f01c8b70e4749b9df1694bd30bb6e",
      "summary": "Reviewed this x86-64 assembly routine for modular big-number addition. It contains only local arithmetic and ABI/setup code, and I found no install-time hooks, network or exfiltration paths, 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/generic/bignum_moddouble.S",
      "hash": "blake3:69e4f646a627b96dd70df8bfef951a33d66428e9dbcd7da6858f90cad1de53a3",
      "summary": "This assembly file implements `bignum_moddouble`, a modular doubling routine for x86-64 and Windows x64 ABIs. I checked it for install-time hooks, subprocess execution, network or credential access, dynamic code loading, obfuscation, and persistence behavior, and found no concrete malicious or supply-chain indicators.",
      "severity": "none",
      "confidence": "high"
    }
  ]
}