Review rev_68b24e2b21894574b2779c2f4c66ef19

{
  "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/chacha20_poly1305_x86_64.obj",
      "hash": "blake3:6563c0dcb3e28f8ff3eaba76cd197dffcc9b44f7f9167fa58b378fbcd56628c8",
      "summary": "Reviewed the COFF object `builder/prebuilt-nasm/chacha20_poly1305_x86_64.obj`, which contains prebuilt x86-64 assembly for ChaCha20-Poly1305 open/seal routines and related SIMD helpers. I checked for install hooks, network or exfiltration behavior, credential access, dynamic code loading, obfuscation, and persistence tampering, and found no concrete malicious or supply-chain indicators in this file.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "builder/prebuilt-nasm/ghash-ssse3-x86_64.obj",
      "hash": "blake3:6e854caeddc9a7297dfa6d01068683ab23395ea40edc8490895e912a570f80bf",
      "summary": "Reviewed the COFF object file `builder/prebuilt-nasm/ghash-ssse3-x86_64.obj`, which contains two SSSE3 assembly routines for GCM/GHASH plus unwind and constant data. I checked the binary for install hooks, network or exfiltration code, credential access, dynamic code loading, obfuscation, persistence, or other hidden payload behavior and found no concrete malicious or supply-chain indicators.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "builder/prebuilt-nasm/ghash-x86_64.obj",
      "hash": "blake3:b9f0b7df3303f2424d5371a70164da347f9ea75edd2c561a1f97dd6441370006",
      "summary": "Reviewed the x86_64 COFF object `builder/prebuilt-nasm/ghash-x86_64.obj`, which contains prebuilt AWS-LC GHASH/GCM CLMUL and AVX assembly routines. I checked the object code and embedded strings for install hooks, network or exfiltration behavior, credential access, dynamic code loading, obfuscation, persistence, and hidden subprocess execution, and found no concrete malicious indicators.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "builder/prebuilt-nasm/md5-x86_64.obj",
      "hash": "blake3:4425f39ae43c9356d65e0cd7331377e7f302d8648481d4f99cb3f0c316b8ffd9",
      "summary": "Reviewed the x86-64 COFF object [builder/prebuilt-nasm/md5-x86_64.obj] as a prebuilt assembly implementation of an MD5 block routine with Windows SEH metadata and a `RtlVirtualUnwind` exception handler reference. I found no concrete indicators of install-time execution, network or exfiltration behavior, credential access, hidden downloads, dynamic code loading, obfuscation, or persistence in this target file.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "builder/prebuilt-nasm/p256-x86_64-asm.obj",
      "hash": "blake3:206835dac6b2365dacd33271cb3073a6c737aff0e2c26f0c997e570fc1d7e942",
      "summary": "Reviewed the COFF object `builder/prebuilt-nasm/p256-x86_64-asm.obj`, which appears to be prebuilt x86-64 assembly for AWS-LC P-256 elliptic-curve math plus Windows SEH unwind metadata. I checked for install hooks, network or exfiltration behavior, credential/secret access, dynamic code loading, obfuscation, persistence, and hidden subprocess execution, and found no concrete malicious or supply-chain indicators.",
      "severity": "none",
      "confidence": "high"
    }
  ]
}