Review rev_9d6ea260662140aeadd5a2fee715a830

{
  "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/crypto/fipsmodule/tls/kdf.c",
      "hash": "blake3:eb965337dfd69a2b2ab9dc766f7656553c3df6e3d5fbc6ea082896c42dc0a0aa",
      "summary": "Reviewed `aws-lc/crypto/fipsmodule/tls/kdf.c`, which implements the TLS PRF/P_hash derivation using HMAC and FIPS service-indicator bookkeeping. I found no concrete malicious or supply-chain indicators in this file: there are no install hooks, network or exfiltration paths, credential/secret harvesting, dynamic code loading, obfuscation, persistence, or unrelated subprocess execution.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/crypto/hmac_extra/hmac_test.cc",
      "hash": "blake3:b7bcbe58cd734a0b8f4b5704abb7b868f544879d9f55aee49c4486771f85fb6a",
      "summary": "This file is a GoogleTest suite for HMAC behavior, including standard digest vectors, Wycheproof cases, precomputed-key export/import, and null-output handling. I found no concrete indicators of install hooks, network or exfiltration behavior, credential access, dynamic code loading, obfuscation, or persistence in the target file.",
      "severity": "none",
      "confidence": "high"
    }
  ]
}