Review rev_f0e156470da64acfa0f89707e56744b9

{
  "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/bn/random.c",
      "hash": "blake3:06b880277b5d26215705dadc0649a1b007a6f0b60227e5690ebbef74796c42cd",
      "summary": "`aws-lc/crypto/fipsmodule/bn/random.c` implements BIGNUM random and range-generation helpers for the FIPS module, using `RAND_bytes`/`RAND_bytes_with_user_prediction_resistance` under service-indicator locks and constant-time range checks. I reviewed it 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/crypto/fipsmodule/bn/rsaz_exp.c",
      "hash": "blake3:93ff3a8aa280b34c6184e32d99955322bcd41c823c00e56688e9f84ff98b03a2",
      "summary": "Reviewed `aws-lc/crypto/fipsmodule/bn/rsaz_exp.c`, which implements AVX2-based RSAZ 1024-bit modular exponentiation and cleanup of temporary big-number storage. I checked for install-time execution, network or exfiltration paths, secret access, dynamic code loading, obfuscation, and persistence mechanisms, and found no concrete malicious or supply-chain indicators in this file.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/crypto/fipsmodule/bn/rsaz_exp.h",
      "hash": "blake3:6510fa3ffe760a73a3f10ce29c530823d7a8389ab67a882f96e704647c318c41",
      "summary": "This header only declares RSAZ/AVX2/AVX512 modular-exponentiation entry points and capability helpers for aws-lc's big-number code; I checked it for install hooks, network/exfiltration, credential access, dynamic code loading, obfuscation, and persistence and found no concrete malicious or supply-chain indicators.",
      "severity": "none",
      "confidence": "high"
    }
  ]
}