Review rev_f134bbf62fbc4254ba850b22f55010fa

{
  "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/util/fipstools/acvp/acvptool/subprocess/aead.go",
      "hash": "blake3:ace9df3940a0f03e63a0c5f2c5985d67aa390b24fbf9dee8da2c845f85ccbd94",
      "summary": "This file implements ACVP AEAD vector processing: it unmarshals JSON test groups, validates key/tag/IV fields, and forwards encrypt/decrypt operations to a subprocess through Transact before reformatting the results. I checked it for install-time hooks, credential or environment harvesting, network or exfiltration paths, dynamic code loading, obfuscation, and persistence behavior, and found no concrete malicious or supply-chain indicators.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/util/fipstools/acvp/acvptool/subprocess/block.go",
      "hash": "blake3:fb09f95499af7a8244015cfe3d373f49d988f2748181913e1b1105a6b65a2c10",
      "summary": "Reviewed the ACVP block-cipher subprocess implementation in `aws-lc/util/fipstools/acvp/acvptool/subprocess/block.go`, which parses test vectors and drives local AES/3DES encrypt/decrypt Monte Carlo iterations through a transactable subprocess interface. I checked for install hooks, network or exfiltration behavior, credential/secret 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": "aws-lc/util/fipstools/acvp/acvptool/subprocess/drbg.go",
      "hash": "blake3:f714a372114aa47ace2fe797967146ddccbf4858a430b638b7eb008200e1e7a4",
      "summary": "Reviewed the DRBG ACVP subprocess wrapper in `aws-lc/util/fipstools/acvp/acvptool/subprocess/drbg.go`. It only parses test-vector JSON, validates lengths/modes, and forwards byte slices to a local `Transactable`; I found no concrete indicators of install-time execution, network exfiltration, credential access, dynamic code loading, obfuscation, or persistence in this file.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/util/fipstools/acvp/acvptool/subprocess/ecdsa.go",
      "hash": "blake3:9385b675fc61ceff5c26117a8340450a64ceff97aaca7c3a8b6f3acfc6240309",
      "summary": "This file implements ACVP ECDSA vector processing, unmarshals test groups, validates supported curves and hash modes, and forwards key generation, verification, and signature operations to a subprocess via `Transact`. I checked for install-time hooks, network or exfiltration behavior, credential access, dynamic code loading, obfuscation, and persistence, and found no concrete malicious or supply-chain indicators.",
      "severity": "none",
      "confidence": "high"
    }
  ]
}