Review rev_bd4ea6c1f75641239fb69639d5a25e9c

{
  "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/rsaz_exp_x2.c",
      "hash": "blake3:046035527eb9428dacda3fe144c98e92eb80923a46230a3c8fed7c9cc258eba7",
      "summary": "Reviewed `aws-lc/crypto/fipsmodule/bn/rsaz_exp_x2.c`, which implements AVX512-backed dual modular exponentiation and radix conversion helpers for RSA-style big integers. I found no concrete indicators of install-time execution, network or exfiltration behavior, credential or secret access, dynamic code loading, obfuscation, persistence, or other supply-chain compromise signals in this file.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/crypto/fipsmodule/bn/shift.c",
      "hash": "blake3:54c4103ba93ffae79bbeb707d1dde8d1c08e9fdc8766bcc2e28ebead6d4831f7",
      "summary": "Reviewed `aws-lc/crypto/fipsmodule/bn/shift.c`, which implements BIGNUM left/right shifts, bit twiddling, and constant-time low-zero-bit counting. I found no concrete malicious or supply-chain indicators in this file: no install hooks, subprocess execution, network or exfiltration behavior, credential access, dynamic code loading, obfuscation, or persistence tampering.",
      "severity": "none",
      "confidence": "high"
    }
  ]
}