Review rev_58503354b4a94b0d8031e19d9267cab2

{
  "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/testmodulewrapper/cts_test.go",
      "hash": "blake3:cf23729d0142c70dd29b0465fb89e56607bd437d8f14a23fe2cdc60ef3b79311",
      "summary": "This file contains Go unit tests for AES CTS encryption/decryption round-trips and fixed OpenSSL vector checks. I reviewed it for install-time hooks, network or exfiltration behavior, credential access, dynamic code loading, obfuscation, and persistence/tampering, and found no concrete malicious or supply-chain indicators.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/util/fipstools/acvp/acvptool/testmodulewrapper/hmac_drbg.go",
      "hash": "blake3:c141a77bbb85deaf78210eab0a3e57d6bcb3002cfe5353460d15fdc60222f520",
      "summary": "Reviewed `hmac_drbg.go`, which implements an HMAC-SHA256 DRBG per SP 800-90A using only in-memory state updates and output generation. I checked for install-time hooks, network/exfiltration, credential access, dynamic code loading, obfuscation, and persistence behavior, and found no concrete malicious or supply-chain indicators in this file.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/util/fipstools/acvp/acvptool/testmodulewrapper/hmac_drbg_test.go",
      "hash": "blake3:b0c0ca5fbab42a3e9d568f5405534d5466a39c20e7e5aa372c5978fd4b96d4bc",
      "summary": "Reviewed `aws-lc/util/fipstools/acvp/acvptool/testmodulewrapper/hmac_drbg_test.go`, which is a Go unit test that instantiates HMAC-DRBG, performs reseed/generate cycles, and compares the output against fixed test vectors. I found no concrete malicious or supply-chain indicators in this file: there are no install hooks, network or exfiltration code, credential/secret access, dynamic code loading, obfuscation, persistence behavior, or other hidden execution paths.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/util/fipstools/acvp/acvptool/testmodulewrapper/testmodulewrapper.go",
      "hash": "blake3:7a101d0654437312b4c884f0447bb1800c8cc0267301619d6169d3b36befa7a5",
      "summary": "Reviewed `aws-lc/util/fipstools/acvp/acvptool/testmodulewrapper/testmodulewrapper.go`, which is a standalone ACVP test module wrapper implementing KDF, XTS, HKDF, HMAC-DRBG, and CTS helpers over stdin/stdout. I checked for install-time hooks, subprocess spawning, 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": "aws-lc/util/fipstools/acvp/modulewrapper/CMakeLists.txt",
      "hash": "blake3:bfba12e94c14a548ad0af7f36da83e0e8ef3ea7da1848788be93bb6adffda16e",
      "summary": "Reviewed this CMakeLists.txt, which conditionally builds the local `modulewrapper` executable for `FIPS` and links it against the in-tree `crypto` target with an internal include directory. I checked for install-time hooks, network/exfiltration, credential access, dynamic code loading, obfuscation, persistence, and other hidden execution paths and found no concrete malicious or supply-chain indicators in this file.",
      "severity": "none",
      "confidence": "high"
    }
  ]
}