Review rev_fbc120e532b94bac80bdefaf65da5fd0

{
  "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/cpucap/cpu_aarch64_win.c",
      "hash": "blake3:a4dbeb400c75d5576441c3585ecfb87f26a037feb710d2e3d69c08895761696f",
      "summary": "Reviewed `aws-lc/crypto/fipsmodule/cpucap/cpu_aarch64_win.c`, which only sets ARM CPU capability flags on Windows AArch64 via `IsProcessorFeaturePresent` and marks initialization complete. 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, persistence, or hidden subprocess execution.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/crypto/fipsmodule/cpucap/cpu_arm_freebsd.c",
      "hash": "blake3:5e9b901ceaa210d87ba5bae1321f255ca51947edb14950d82545e85186e76fa0",
      "summary": "Reviewed `aws-lc/crypto/fipsmodule/cpucap/cpu_arm_freebsd.c`, which only probes FreeBSD ARM auxiliary vectors to detect CPU features and set OpenSSL capability flags. I checked for install-time execution, network/exfiltration, credential access, dynamic code loading, obfuscation, and persistence behaviors, and found no concrete malicious or supply-chain indicators in this file.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/crypto/fipsmodule/cpucap/cpu_arm_linux.c",
      "hash": "blake3:00c811f1a6382e2956e90dfff167307612a90c109955be31b4c24eb5afafdda4",
      "summary": "Reviewed the ARM/Linux CPU capability probe in `cpu_arm_linux.c`, which reads `/proc/cpuinfo` and `getauxval()` to detect AES/PMULL/SHA features for OpenSSL initialization. I found no concrete indicators of install-time execution, network or exfiltration, credential access, dynamic code loading, obfuscation, persistence, or other supply-chain abuse in this file.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/crypto/fipsmodule/cpucap/cpu_arm_linux.h",
      "hash": "blake3:efb2073fb54888e5760cd589a82086c77863c89750671fcbf1a05b7dc751390b",
      "summary": "Reviewed the ARM Linux CPU feature parser in `aws-lc/crypto/fipsmodule/cpucap/cpu_arm_linux.h`. It contains only local string-splitting and `/proc/cpuinfo` feature extraction helpers for HWCAP flag detection, with no install hooks, network or exfiltration paths, credential access, dynamic code loading, obfuscation, or persistence behavior.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/crypto/fipsmodule/cpucap/cpu_arm_linux_test.cc",
      "hash": "blake3:a6508d6f669b621a80f8228e2e1b5cfb579b3529f234d0957129e78eaeb94810",
      "summary": "Reviewed `aws-lc/crypto/fipsmodule/cpucap/cpu_arm_linux_test.cc`, which is a GoogleTest unit test that feeds hard-coded ARM `/proc/cpuinfo` samples into `crypto_get_arm_hwcap2_from_cpuinfo()` and checks the parsed feature flags. I found no concrete indicators of install-time execution, network/exfiltration, credential access, dynamic code loading, obfuscation, or persistence in this target file.",
      "severity": "none",
      "confidence": "high"
    }
  ]
}