Review rev_e2f0520cedc64b9aa7693a0f78c1967e

{
  "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": "blake3:6e32d8cb651cde8ed9101f8876a145aba4bff81cac44f3cd9258b8da8eb8f4f2",
      "summary": "Reviewed `aws-lc/crypto/fipsmodule/bn/rsaz_exp_x2.c`, an AVX512-backed dual modular exponentiation implementation that only performs local big-number conversions, Montgomery arithmetic, and temporary-buffer cleansing. I found no concrete signs of install-time execution, network or exfiltration behavior, credential harvesting, dynamic code loading, obfuscation, persistence tampering, or other supply-chain compromise indicators in this file.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/crypto/fipsmodule/bn/shift.c",
      "hash": "blake3:ebe86224c7ebdf3c67090c30c95112b207fadefb34ccef3785253e00a836b4ef",
      "summary": "Reviewed `aws-lc/crypto/fipsmodule/bn/shift.c`, which implements BIGNUM left/right shift and bit-set/clear helpers for AWS-LC's FIPS big-number arithmetic. I checked for install-time hooks, network or secret access, dynamic code loading, obfuscation, persistence, and other hidden payload behavior, and found no concrete malicious or supply-chain indicators in this file.",
      "severity": "none",
      "confidence": "high"
    }
  ]
}