Review rev_0da2a9c11605461d8a7eca83e13a931b

{
  "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": "builder/prebuilt-nasm/aesni-gcm-x86_64.obj",
      "hash": "blake3:65f5be174c3337039dc3c73df9be693258b7e94ba62b9011652063185a673296",
      "summary": "Reviewed the prebuilt Windows COFF object `builder/prebuilt-nasm/aesni-gcm-x86_64.obj`, which disassembles to AES-NI/GCM routines (`_aesni_ctr32_ghash_6x`, `aws_lc_0_41_0_aesni_gcm_encrypt`, `aws_lc_0_41_0_aesni_gcm_decrypt`) with no install hooks, network/exfiltration, credential access, dynamic code loading, obfuscation, or persistence behavior present in the file.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "builder/prebuilt-nasm/aesni-sha1-x86_64.obj",
      "hash": "blake3:910ec8e3e9ec1812b2cde15b3d3cc06d1d5f3198846cc0bd2d3325f9f777223f",
      "summary": "Reviewed the COFF object `builder/prebuilt-nasm/aesni-sha1-x86_64.obj`, which disassembles to AESNI/SSSE3/SHA1 x86-64 crypto routines and standard unwind metadata. I checked for install-time hooks, network/exfiltration, credential access, dynamic code loading, obfuscation, and persistence indicators, and found no concrete malicious or supply-chain indicators in this file.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "builder/prebuilt-nasm/aesni-sha256-x86_64.obj",
      "hash": "blake3:ecefbd0ba0669526c2bbf5d8d025a117bf091170780b0f83d46989104583edff",
      "summary": "Reviewed the COFF object `builder/prebuilt-nasm/aesni-sha256-x86_64.obj`, which contains x86_64 AESNI/AVX/SHAEXT SHA-256 assembly plus unwind metadata and references only local capability checks and `RtlVirtualUnwind`. I checked for install hooks, network or exfiltration behavior, credential access, dynamic code loading, obfuscation, and persistence mechanisms, and found no concrete malicious or supply-chain indicators.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "builder/prebuilt-nasm/aesni-x86_64.obj",
      "hash": "blake3:c4f0478457dd856484d6c88bab216a62adc590fc5f0db343a13f4f1a7c9e6007",
      "summary": "Reviewed the prebuilt Windows COFF object `builder/prebuilt-nasm/aesni-x86_64.obj`; it appears to be AES-NI assembly exporting cryptographic routines such as ECB, CTR, XTS, CBC, and key setup. I checked for install-time hooks, embedded network/exfiltration strings, credential access, dynamic loading, obfuscation/packing, and persistence behavior, and found no concrete malicious or supply-chain indicators in the object itself.",
      "severity": "none",
      "confidence": "high"
    }
  ]
}