Review rev_c41212c82241454db76a49be84156a07

{
  "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/mlkem/randombytes.h",
      "hash": "blake3:722ff2b8f1764f69cbe39478c744ae5335b69f2910163fe16390fcfd07c027da",
      "summary": "Reviewed `aws-lc/crypto/fipsmodule/ml_kem/mlkem/randombytes.h`, which only declares a consumer-provided `randombytes()` API and a thin inline wrapper `mlk_randombytes()` that forwards to it. I found no install hooks, network or exfiltration code, credential access, dynamic code loading, obfuscation, persistence, or other supply-chain indicators in this file.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/crypto/fipsmodule/ml_kem/mlkem/sampling.c",
      "hash": "blake3:17b984b7fa4e99449f49ca9578be7fa27f4a962a925155cbd43a5b069731eecc",
      "summary": "Reviewed `aws-lc/crypto/fipsmodule/ml_kem/mlkem/sampling.c`, which implements ML-KEM rejection sampling and centered binomial noise sampling helpers plus local zeroization and an optional native rejection-sampling fallback. I found no concrete indicators of install-time execution, network or exfiltration, credential access, dynamic code loading, obfuscation, persistence, or other supply-chain compromise in this file.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/crypto/fipsmodule/ml_kem/mlkem/sampling.h",
      "hash": "blake3:fb404bf07b79f0d98cd74551fc465a60e26cf20548626a6847fd2dcec5ed9139",
      "summary": "Reviewed `aws-lc/crypto/fipsmodule/ml_kem/mlkem/sampling.h`, which is a C header containing internal API declarations and ACSL-style contracts for ML-KEM sampling helpers (`cbd2`, optional `cbd3`, and rejection-sampling routines). I checked for install-time execution, network or exfiltration behavior, credential access, dynamic code loading, obfuscation, and persistence, and found no concrete malicious or supply-chain indicators in this file.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/crypto/fipsmodule/ml_kem/mlkem/symmetric.h",
      "hash": "blake3:ddfb7f9da339cf6159dbf6991359c815252f1c0fd986760bf330fd1b00b9896f",
      "summary": "Reviewed `aws-lc/crypto/fipsmodule/ml_kem/mlkem/symmetric.h`, which is a small macro-only header that maps ML-KEM symmetric primitives to SHA3/SHAKE helpers and XOF wrappers. I checked for install-time hooks, network or exfiltration logic, credential access, dynamic code loading, obfuscation, and persistence behavior, and found no concrete malicious or supply-chain indicators in this file.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/crypto/fipsmodule/ml_kem/mlkem/sys.h",
      "hash": "blake3:af50101e52c83e189374758c5468e979f32acadfd10793a59dcf6641584b26cb",
      "summary": "Reviewed `aws-lc/crypto/fipsmodule/ml_kem/mlkem/sys.h`, a platform-detection and build-configuration header that defines architecture/endian macros, inlining/alignment helpers, CET support, and a default capability check stub. I found no concrete malicious or supply-chain indicators in this file: there are no install hooks, network or exfiltration paths, credential access, dynamic code loading, obfuscation, persistence, or hidden subprocess execution.",
      "severity": "none",
      "confidence": "high"
    }
  ]
}