Review rev_bf291be917c64528bd3955e8335487ef

{
  "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/cmac/cmac.c",
      "hash": "blake3:4a51c281459e321b51603273499c2749a19206bc14c4e9092980ef25a3dedb1b",
      "summary": "Reviewed `aws-lc/crypto/fipsmodule/cmac/cmac.c`, which implements CMAC context setup, update/finalization, and subkey derivation for AES and 3DES through local EVP/FIPS primitives. 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/crypto/fipsmodule/cmac/cmac_test.cc",
      "hash": "blake3:5d3284e01d39d6eefd25d54de90d7c97cab796f48d106b696a67e4ac4ff18e36",
      "summary": "Reviewed `aws-lc/crypto/fipsmodule/cmac/cmac_test.cc`, which contains GoogleTest coverage for CMAC using RFC 4493 vectors, Wycheproof data, and CAVP fixtures. I found no concrete supply-chain indicators in this file: no install hooks, subprocesses, network or exfiltration paths, credential access, dynamic code loading, obfuscation, or persistence behavior.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/crypto/fipsmodule/cpucap/cpu_aarch64.c",
      "hash": "blake3:c9a514cfda749ce01548327e869da6c56696e49f4f35643dbb64007ee1e3613f",
      "summary": "Reviewed `aws-lc/crypto/fipsmodule/cpucap/cpu_aarch64.c`, which contains AArch64 CPU capability parsing and ARMv8 DIT helper routines. 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/crypto/fipsmodule/cpucap/cpu_aarch64.h",
      "hash": "blake3:49e50300bea7f6921a3cf72a07e82474f0d7f4e94e9fbfe5dd1e53562f10091b",
      "summary": "Reviewed `aws-lc/crypto/fipsmodule/cpucap/cpu_aarch64.h`, which is a small C/C++ header that only includes standard headers and declares `handle_cpu_env(uint32_t *out, const char *in)` behind an AArch64 feature guard. I found no concrete malicious or supply-chain indicators in this file: no install hooks, network or exfiltration logic, credential access, dynamic code loading, obfuscation, or persistence behavior.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/crypto/fipsmodule/cpucap/cpu_aarch64_apple.c",
      "hash": "blake3:b271e589681d0d7c84411e38bfea33326ac4f2aadc7e83fd4d7aee17e63f9bb1",
      "summary": "Reviewed the Apple AArch64 CPU capability probe in `cpu_aarch64_apple.c`, which uses `sysctlbyname` to detect hardware features, optionally applies the `OPENSSL_armcap` environment override, and initializes `OPENSSL_armcap_P`. I found no concrete malicious or supply-chain indicators in the target file: no install hooks, network or exfiltration behavior, credential access, hidden downloads, dynamic code loading, obfuscation, or persistence logic.",
      "severity": "none",
      "confidence": "high"
    }
  ]
}