Review rev_cc4da43330e842509d202a43cddda2f7

{
  "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/dsa/dsa_asn1.c",
      "hash": "blake3:0f27d769022827ce7f17ede3224f562861b5cc1f3acf67ee1ba6ce509a5ab28a",
      "summary": "Reviewed `aws-lc/crypto/dsa/dsa_asn1.c`, which implements DSA ASN.1 parse/marshal helpers and key validation for public/private keys and signatures. I found no concrete supply-chain or malicious indicators in this file: there are no install hooks, network or exfiltration paths, credential access, dynamic code loading, obfuscation/decryption logic, or persistence/environment tampering.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/crypto/dsa/dsa_test.cc",
      "hash": "blake3:96d686aa8409bc6eb214da9cc21eb890b1c88c78689cf9ce241b84751aa6fbb0",
      "summary": "Reviewed aws-lc/crypto/dsa/dsa_test.cc, which is a DSA unit test file containing hardcoded FIPS vectors, PEM-encoded test keys, and assertions for signing, verification, printing, and invalid-parameter handling. I found no concrete indicators of install-time execution, network/exfiltration, credential access, dynamic code loading, obfuscation, persistence, or other supply-chain malicious behavior in this target file.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/crypto/dsa/internal.h",
      "hash": "blake3:92ef920ffc3dc20b85d739683ffc8708244d5626b7f1dc0986b1d21316b045df",
      "summary": "`aws-lc/crypto/dsa/internal.h` is a small internal C header that declares the `dsa_st` structure, its cached Montgomery state, and the `dsa_check_key` prototype. I checked it for install-time execution, network or exfiltration behavior, credential access, dynamic code loading, obfuscation, persistence tampering, and other supply-chain indicators, and found none in this file.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/crypto/dynamic_loading_test.c",
      "hash": "blake3:20f89c921f1ae8d1692f3a427d9e9f23b55136e36767086320770cb383dc5d84",
      "summary": "Reviewed a C test harness that conditionally `dlopen`s a local AWS-LC shared library, exercises `ERR_clear_error`, `RAND_bytes`, and thread-local shutdown/clear paths across multiple threads, then `dlclose`s the library and prints `PASS` when the macro is unset. I checked for install-time hooks, network or exfiltration, credential access, dynamic downloads, obfuscation, and persistence behavior, and found no concrete malicious or supply-chain indicators in this file.",
      "severity": "none",
      "confidence": "high"
    }
  ]
}