Review rev_56c97be3c73a4936b66634eddee56387

{
  "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_dit_test.cc",
      "hash": "blake3:00c026233f23477a0c6c3a6ffd41014abf62bc92c55ffc05a426c8db16d040b7",
      "summary": "Reviewed `aws-lc/crypto/fipsmodule/cpucap/cpu_aarch64_dit_test.cc`, which is a gtest file that exercises ARMv8 DIT set/restore behavior and thread-level propagation. I found no concrete indicators of install-time execution, network or exfiltration, credential access, dynamic code loading, obfuscation, or persistence in this file.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/crypto/fipsmodule/cpucap/cpu_aarch64_fuchsia.c",
      "hash": "blake3:aa341f605b683400b88dede5c2e5bcd499e05c89308ce8895fcb439f3b34f66c",
      "summary": "Reviewed `cpu_aarch64_fuchsia.c`, which only queries Fuchsia CPU feature flags via `zx_system_get_features` and sets OpenSSL ARM capability bits accordingly. I found no install-time execution, network/exfiltration, credential access, dynamic code loading, obfuscation, or persistence behavior in this target file.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/crypto/fipsmodule/cpucap/cpu_aarch64_linux.c",
      "hash": "blake3:388b624e3dc91cc21a6e0a1a075c429452d7a57a88e4548529c743d2a5f8d00d",
      "summary": "Reviewed `aws-lc/crypto/fipsmodule/cpucap/cpu_aarch64_linux.c`, which implements AArch64/Linux CPU capability probing via `getauxval`, `MIDR_EL1`, and the `OPENSSL_armcap` environment override. I found no concrete indicators of install-time execution, network or credential access, hidden downloads, obfuscation, persistence, or other supply-chain compromise behavior in this file.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/crypto/fipsmodule/cpucap/cpu_aarch64_sysreg.c",
      "hash": "blake3:909c804737b27bb47204ecb32c5f65c394e8073d0c42257799510ff5cf732acc",
      "summary": "This file contains AArch64 CPU capability detection for OpenSSL on FreeBSD/Android baremetal: it reads system ID registers and sets ARMV8 feature flags in `OPENSSL_armcap_P`. I found no concrete malicious supply-chain indicators such as install-time hooks, network/exfiltration, credential access, dynamic code loading, obfuscation, or persistence behavior.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/crypto/fipsmodule/cpucap/cpu_aarch64_win.c",
      "hash": "blake3:b0be844cc042fef68103fe0e6b4b02d8113311ef1e715522759abcd8f8a62ef0",
      "summary": "Reviewed the AArch64 Windows CPU feature-detection helper in `aws-lc/crypto/fipsmodule/cpucap/cpu_aarch64_win.c`. It only queries `IsProcessorFeaturePresent` and sets internal ARM capability flags; I found no install-time execution, network or exfiltration behavior, credential access, dynamic code loading, obfuscation, or persistence logic in this file.",
      "severity": "none",
      "confidence": "high"
    }
  ]
}