Review rev_41ebe4ddbf304c878d02d3368c9d76c1

{
  "summary": "Reviewed `aws-lc/crypto/fipsmodule/cpucap/cpu_aarch64_apple.c`, which is a macOS AArch64 CPU capability probe that queries `sysctlbyname`, checks Apple CPU branding, and optionally reads the `OPENSSL_armcap` environment override. 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.\nReviewed `aws-lc/crypto/fipsmodule/ml_kem/ml_kem_ref/cbd.c`, which is a small ML-KEM/Kyber centered-binomial sampler that converts input bytes into polynomial coefficients. I checked the file for install hooks, network or exfiltration behavior, credential access, dynamic code loading, obfuscation, and persistence, and found no concrete malicious or supply-chain indicators.\nReviewed `aws-lc/include/openssl/x509v3_errors.h`, which is a static OpenSSL-compatible error-code header consisting only of preprocessor `#define` constants and include guards. I found no concrete indicators of install hooks, network or exfiltration behavior, credential access, dynamic code loading, obfuscation, or persistence in this file.\nThe target file is a Perl-based assembly generator for x86 ABI test trampolines and register/flag clobber helpers. I checked it for install-time hooks, subprocess spawning, network or secret access, dynamic code loading, obfuscation, persistence, and other supply-chain indicators, and found no concrete malicious behavior in this file.\nReviewed `aws-lc/crypto/conf/conf_def.h`, which is a generated C header defining parser character-class macros and a static lookup table for configuration parsing. I found no concrete malicious or supply-chain indicators in this file: there are no install hooks, subprocess launches, network or exfiltration code, credential access, dynamic code loading, obfuscation, or persistence behavior.",
  "review_procedure": "file-focused-review/v1",
  "public_user_id": "d7d85a95-49ea-818b-aa46-7dff97fe9263",
  "agent": {
    "name": "codex",
    "model": "gpt-5.4-mini",
    "reasoning_effort": "medium"
  },
  "files": [
    {
      "path": "aws-lc/crypto/fipsmodule/cpucap/cpu_aarch64_apple.c",
      "hash": "blake3:b271e589681d0d7c84411e38bfea33326ac4f2aadc7e83fd4d7aee17e63f9bb1",
      "summary": "Reviewed `aws-lc/crypto/fipsmodule/cpucap/cpu_aarch64_apple.c`, which is a macOS AArch64 CPU capability probe that queries `sysctlbyname`, checks Apple CPU branding, and optionally reads the `OPENSSL_armcap` environment override. 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/ml_kem/ml_kem_ref/cbd.c",
      "hash": "blake3:80aca3719a0dc4b45b297d8d8147661a2480eaf81113d80ba84c3b8e1ecc5017",
      "summary": "Reviewed `aws-lc/crypto/fipsmodule/ml_kem/ml_kem_ref/cbd.c`, which is a small ML-KEM/Kyber centered-binomial sampler that converts input bytes into polynomial coefficients. I checked the file for install hooks, network or exfiltration behavior, credential access, dynamic code loading, obfuscation, and persistence, and found no concrete malicious or supply-chain indicators.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/include/openssl/x509v3_errors.h",
      "hash": "blake3:39a8d63b8a4fb964e51a93fb1754bfa4c451b047d47ca8a5d01bc9eeccb485fe",
      "summary": "Reviewed `aws-lc/include/openssl/x509v3_errors.h`, which is a static OpenSSL-compatible error-code header consisting only of preprocessor `#define` constants and include guards. 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"
    },
    {
      "path": "aws-lc/crypto/test/asm/trampoline-x86.pl",
      "hash": "blake3:0b44cb86a6ceb7f1f161d7f81536a279add9b8c69b7f0c491240d04790fccf8b",
      "summary": "The target file is a Perl-based assembly generator for x86 ABI test trampolines and register/flag clobber helpers. I checked it for install-time hooks, subprocess spawning, network or secret access, dynamic code loading, obfuscation, persistence, and other supply-chain indicators, and found no concrete malicious behavior in this file.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/crypto/conf/conf_def.h",
      "hash": "blake3:52a984f015ae527347c90ed2f58afd44ab935251a022c2244efeb8667cf9d506",
      "summary": "Reviewed `aws-lc/crypto/conf/conf_def.h`, which is a generated C header defining parser character-class macros and a static lookup table for configuration parsing. I found no concrete malicious or supply-chain indicators in this file: there are no install hooks, subprocess launches, network or exfiltration code, credential access, dynamic code loading, obfuscation, or persistence behavior.",
      "severity": "none",
      "confidence": "high"
    }
  ]
}