Review rev_ce940663916148e599a2aaada030ca0a

{
  "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/ml_kem/ml_kem_ref/kem.c",
      "hash": "blake3:99d8e8e3a87a4f1a34d1606586cb07548df945ead7b714940e8719bc0177c4f0",
      "summary": "Reviewed the ML-KEM implementation in `aws-lc/crypto/fipsmodule/ml_kem/ml_kem_ref/kem.c`, including key generation, encapsulation/decapsulation, FIPS pairwise-consistency checks, key modulus/hash validation, and secret cleansing. I found no concrete indicators of install-time execution, hidden downloads, credential access, network exfiltration, obfuscation, or persistence in this file.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/crypto/fipsmodule/ml_kem/ml_kem_ref/kem.h",
      "hash": "blake3:3845ed2034a64a6fd825e6879415fe7ea7ef4df195d891d642f63049120f528b",
      "summary": "Reviewed `aws-lc/crypto/fipsmodule/ml_kem/ml_kem_ref/kem.h`, which is a small C header that only declares ML-KEM/Kyber keypair, encapsulation, and decapsulation entry points through namespace macros. 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/ntt.c",
      "hash": "blake3:8563ab9ffec9af442e922fe2dd4336c1425f6a56452112930807e11f0e096df3",
      "summary": "Reviewed `aws-lc/crypto/fipsmodule/ml_kem/ml_kem_ref/ntt.c`, which contains fixed NTT twiddle constants and the `ntt`, `invntt`, and `basemul` field-arithmetic routines. I checked for install hooks, network or exfiltration behavior, credential access, dynamic code loading, obfuscation, and persistence tampering, and found no concrete malicious or supply-chain indicators.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/crypto/fipsmodule/ml_kem/ml_kem_ref/ntt.h",
      "hash": "blake3:ef5d11c927f5443424bd7f947c0ee0f0fd46e3d09050596853e580209b3d71f4",
      "summary": "Reviewed `aws-lc/crypto/fipsmodule/ml_kem/ml_kem_ref/ntt.h`, which is a small C header declaring ML-KEM NTT routines and the `zetas` table. It contains only function prototypes and an extern constant declaration, with no install hooks, network/exfiltration, credential access, dynamic code loading, obfuscation, or persistence behavior.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/crypto/fipsmodule/ml_kem/ml_kem_ref/params.c",
      "hash": "blake3:4c3259a6ccbc4390f1aa377b4916a8ca360aa0c850d99e668f009ac08e7c66d1",
      "summary": "Reviewed `aws-lc/crypto/fipsmodule/ml_kem/ml_kem_ref/params.c`, which only initializes ML-KEM parameter sizes for the 512/768/1024 variants. I checked for install-time execution, network/exfiltration, credential access, dynamic code loading, obfuscation, persistence tampering, and hidden subprocess behavior, and found no concrete malicious or supply-chain indicators.",
      "severity": "none",
      "confidence": "high"
    }
  ]
}