Review rev_cd63403108ba4720894052af3bbf3a9e

{
  "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/modes/cfb.c",
      "hash": "blake3:2da53cdf87a9e77f64e125e4e84132d41827f219e7c54c6800ca6460284d1027",
      "summary": "Reviewed `aws-lc/crypto/fipsmodule/modes/cfb.c`, which implements AES CFB-128/CFB-1/CFB-8 encryption and decryption helpers. I checked for install-time hooks, network or exfiltration behavior, credential access, dynamic code loading, obfuscation, persistence, and hidden subprocess execution; none were present, and I found no concrete malicious or supply-chain indicators.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/crypto/fipsmodule/modes/ctr.c",
      "hash": "blake3:888b3281a493f593c4c973abc843ef289eb9e0687a1cc56cb7ff3bde32bfcb86",
      "summary": "Reviewed `aws-lc/crypto/fipsmodule/modes/ctr.c`, which implements AES CTR-mode encryption helpers and counter increment logic. 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"
    }
  ]
}