Review rev_bd3a74707864489ba1c908f4209ad741

{
  "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/gcd.c",
      "hash": "blake3:474f73b384106486da6048b25d5bea8a4989e07c457eba5ec5ade1144ba957af",
      "summary": "Reviewed `aws-lc/crypto/fipsmodule/bn/gcd.c`, which implements big-number modular inverse routines plus constant-time/blinded variants for FIPS crypto operations. I found no concrete supply-chain or malicious indicators in this file: there are no install hooks, network or exfiltration calls, credential access, dynamic code loading, obfuscation/packing, or persistence behaviors.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/crypto/fipsmodule/bn/gcd_extra.c",
      "hash": "blake3:20519f430e1c443b47f9017fd029ade0b05dc00016f176cbfab16ba2915f736c",
      "summary": "Reviewed `aws-lc/crypto/fipsmodule/bn/gcd_extra.c`, which implements constant-time big-number GCD, LCM, relative-primality, and modular-inverse routines for FIPS math operations. I found no concrete supply-chain or malicious indicators in this file: no install hooks, network or exfiltration paths, credential access, dynamic code loading, obfuscation, or persistence behavior.",
      "severity": "none",
      "confidence": "high"
    }
  ]
}