Review rev_d69979fdb5f94ec09f9e1920515702d8

{
  "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": "blake3:97e5c170a32a5f4ecb765ae538f96fc7c10f21e2e2e3b9ffc68db24fd6193d7f",
      "summary": "Reviewed `aws-lc/crypto/fipsmodule/bn/gcd.c`, which implements BIGNUM modular inverse routines, including odd-modulus inversion, blinded inversion, and prime-field inverse helpers. I checked for install-time hooks, network or credential access, dynamic code loading, obfuscation, persistence, and other payload execution paths, and found no concrete malicious or supply-chain indicators in this file.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/crypto/fipsmodule/bn/gcd_extra.c",
      "hash": "blake3:93e0a1c9790e8732a790de8cd72f42ecd89bfe30a13b825a6a7b25c99e83e51a",
      "summary": "Reviewed `aws-lc/crypto/fipsmodule/bn/gcd_extra.c`, which implements constant-time big-number GCD, relative-primality, LCM, and modular inverse routines using only local arithmetic and BN/CTX helpers. I found no concrete indicators of install-time execution, network or exfiltration behavior, credential access, dynamic code loading, obfuscation, persistence, or other supply-chain compromise in this file.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/crypto/fipsmodule/bn/generic.c",
      "hash": "blake3:c9a8b11ff73b172166ee943653e3f4343576d6e2e7792b1972a8db41efb59270",
      "summary": "`aws-lc/crypto/fipsmodule/bn/generic.c` is a low-level big-number arithmetic implementation for addition, subtraction, multiplication, and squaring, with optional ASM fast paths. I checked this file for install-time execution, network or exfiltration behavior, credential/secret access, dynamic code loading, obfuscation, and persistence mechanisms, and found no concrete malicious or supply-chain indicators.",
      "severity": "none",
      "confidence": "high"
    }
  ]
}