Review rev_7aa0797aa5fa4a03ae442ca85e247e9f

{
  "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/break-hash.go",
      "hash": "blake3:579bd67c33a68e40eda682c571a52028ad8c6a14c4bcd7ec0be79e70b39408d9",
      "summary": "Reviewed `aws-lc/util/fipstools/break-hash.go`, a build-tagged Go utility that reads an ELF object, locates the FIPS module boundaries in `.text`, flips one byte in the module, prints before/after hashes, and writes the modified binary. I found no concrete indicators of install-time execution, network or exfiltration behavior, credential access, dynamic code loading, obfuscation, or persistence in this file.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/util/fipstools/break-kat.go",
      "hash": "blake3:03fcd1281597989a4cf7717110519bfc343e8bd1fb89720c8fdb20c74c1d101f",
      "summary": "Reviewed `aws-lc/util/fipstools/break-kat.go`, a small Go CLI that lists predefined KAT names, reads a target binary, zeroes out a matched hardcoded test vector, and writes the modified binary to stdout. 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"
    },
    {
      "path": "aws-lc/util/fipstools/capture_hash/capture_hash.go",
      "hash": "blake3:fd15e736228cfd4c8ce3cc17cea48546545dd4e842b88c85d66ec436e7633a72",
      "summary": "Reviewed `aws-lc/util/fipstools/capture_hash/capture_hash.go`, a small Go build helper that runs a provided executable, expects a specific FIPS integrity-test failure, extracts the hash from stdout, and emits a generated C array with that value. 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"
    }
  ]
}