Review rev_1861aca967dd426882edda04856fee5f

{
  "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/generated-src/win-aarch64/crypto/fipsmodule/bn-armv8.S",
      "hash": "blake3:8c7caeb4fc9b55d377a8e28189ea3d5925a799972b2b527a9425a362e1962e6d",
      "summary": "Reviewed the AArch64 Windows assembly implementation of big-number add/sub routines in `bn-armv8.S`. It contains only straight-line arithmetic and flag-handling code for `bn_add_words` and `bn_sub_words`; I found no concrete signs of install-time execution, network or exfiltration behavior, credential access, dynamic code loading, obfuscation, or persistence.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/generated-src/win-aarch64/crypto/fipsmodule/ghash-neon-armv8.S",
      "hash": "blake3:15cfc1bd1a0e65fc0d4d87b8f94e599228967c274dd50ab537578c9455a66928",
      "summary": "Reviewed the AArch64 Windows GHASH/GMULT assembly implementation in this generated source file. It only contains fixed cryptographic arithmetic, constant tables, and routine entry/return flow; I found no install hooks, network or exfiltration logic, credential access, dynamic code loading, obfuscation, persistence, or other supply-chain indicators in the target file.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/generated-src/win-aarch64/crypto/fipsmodule/ghashv8-armx.S",
      "hash": "blake3:647b30fa2e210b9c603c3f1419138aeae9157f2de105f0e10e08c40ccc4ca81b",
      "summary": "Reviewed the Windows AArch64 GHASH assembly in `aws-lc/generated-src/win-aarch64/crypto/fipsmodule/ghashv8-armx.S`, which implements `gcm_init_v8`, `gcm_gmult_v8`, and `gcm_ghash_v8` using ARM crypto instructions. I found no concrete malicious or supply-chain indicators: there are no install hooks, network or exfiltration code, credential/secret access, dynamic code loading, obfuscation, or persistence behavior in this file.",
      "severity": "none",
      "confidence": "high"
    }
  ]
}