Review rev_113a816e95da4d6fa2674026228a64a2

{
  "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_freebsd.c",
      "hash": "blake3:cdec05d178cfe603dbc4e16af8627b7583978ebcc50a7a5e7e48dc4d89cebe7c",
      "summary": "Reviewed `aws-lc/crypto/fipsmodule/cpucap/cpu_aarch64_freebsd.c`, which only performs FreeBSD/AArch64 CPU feature detection by reading `id_aa64isar0_el1` and setting OpenSSL capability flags. I found no concrete malicious or supply-chain indicators in this file: no install hooks, network/exfiltration, credential access, dynamic code loading, obfuscation, or persistence behavior.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/crypto/fipsmodule/cpucap/cpu_aarch64_linux.c",
      "hash": "blake3:ddf5bf89dde7639e0edb7c54360540d89a5d9009c22ab2c7195816e2093cb69c",
      "summary": "Reviewed the AArch64 Linux CPU capability probe in `cpu_aarch64_linux.c`. It only reads hardware capability bits, optionally consults the documented `OPENSSL_armcap` environment override, and sets internal feature flags; I found no concrete signs of install hooks, network or exfiltration behavior, credential access, dynamic code loading, obfuscation, or persistence logic in this file.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/crypto/fipsmodule/cpucap/cpu_aarch64_netbsd.c",
      "hash": "blake3:c5f25a0d55be83f2f5ec815c695d58b621c3d15c32d856a0d1edab9efbcb666f",
      "summary": "Reviewed the NetBSD AArch64 CPU capability probe in `cpu_aarch64_netbsd.c`, which queries per-core `sysctlbyname` CPU ID registers, intersects feature bits, and sets OpenSSL ARM capability flags. I found no concrete malicious or supply-chain indicators in this file: 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_aarch64_openbsd.c",
      "hash": "blake3:6e5d7c0527235aeefefe33f30a8011995aff9f762603058adc3bce27fa4e6df3",
      "summary": "Reviewed `aws-lc/crypto/fipsmodule/cpucap/cpu_aarch64_openbsd.c`, which only queries OpenBSD `sysctl` for AArch64 CPU feature bits and sets internal capability flags for AES, PMULL, SHA1, SHA256, and SHA512. I found no concrete supply-chain or malicious indicators in this file, and it contains 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_sysreg.c",
      "hash": "blake3:82df2fe16183c09356337fbae64f8c69fbf01096a1cc78f8587c80bbe0053cd7",
      "summary": "Reviewed the AArch64 bare-metal CPU capability probe that uses inline assembly to read ID_AA64PFR0_EL1 and ID_AA64ISAR0_EL1 and derive OpenSSL ARM capability flags. I found no concrete indicators of install hooks, network or exfiltration behavior, credential access, dynamic code loading, obfuscation, or persistence in this file.",
      "severity": "none",
      "confidence": "high"
    }
  ]
}