Review rev_acaefd76c949464c9d0c77865434e366

{
  "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_ppc64le.c",
      "hash": "blake3:20f1f0a19b7b120e23505d4e9142a5493597ca2e2b29a541d8dcb5f326cbc8d5",
      "summary": "Reviewed `aws-lc/crypto/fipsmodule/cpucap/cpu_ppc64le.c`, which probes PPC64LE CPU capabilities with `getauxval`, optionally overrides them from the `OPENSSL_ppccap` environment variable, and aborts if the override requests unsupported hardware features. I found no concrete indicators of install-time execution, network/exfiltration, credential access, dynamic code loading, obfuscation, persistence, or other supply-chain compromise behavior in this file.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/crypto/fipsmodule/cpucap/cpucap.c",
      "hash": "blake3:246664f222f34dc8c25bf04d1412daa79b70ee3ea2a9f843960cef533005bf32",
      "summary": "Reviewed `aws-lc/crypto/fipsmodule/cpucap/cpucap.c`, which only defines hidden CPU capability globals and test-only initialization flags for platform-specific builds. 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/cpucap/internal.h",
      "hash": "blake3:47aeaab6d225ea58f6cbf70be0a97bcac39393dda53e8b0ab73d232beb8c4999",
      "summary": "Reviewed `aws-lc/crypto/fipsmodule/cpucap/internal.h`, which defines CPU capability globals, inline feature-check helpers for x86/ARM/PPC64LE, and the optional AArch64 DIT auto-reset macro. I checked for install-time execution, network or exfiltration behavior, credential access, dynamic code loading, obfuscation, and persistence hooks, and found no concrete malicious or supply-chain indicators in this file.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/crypto/fipsmodule/curve25519/curve25519.c",
      "hash": "blake3:ecb59e3740e8a5babdce1c5a6634c71213fe3a7d8dace03ac832db9f7cb69498",
      "summary": "Reviewed the Ed25519/X25519 implementation in `aws-lc/crypto/fipsmodule/curve25519/curve25519.c`, including key generation, signing, verification, RNG use, and the conditional s2n-bignum backend dispatch. I found no concrete malicious or supply-chain indicators in this file: no install-time hooks, network or exfiltration behavior, credential harvesting, dynamic code loading, obfuscation, or persistence/tampering logic.",
      "severity": "none",
      "confidence": "high"
    }
  ]
}