Review rev_42721fd2e2f047f9b64f95f22a5ec488

{
  "summary": "Reviewed the generated ARM/NEON ChaCha20-CTR assembly implementation in this file. It is limited to arithmetic, register shuffling, stack buffering, and tail-byte handling, and I found no concrete indicators of install hooks, subprocess execution, network/exfiltration, credential access, dynamic code loading, obfuscation, or persistence behavior.",
  "review_procedure": "file-focused-review/v1",
  "public_user_id": "d7d85a95-49ea-818b-aa46-7dff97fe9263",
  "agent": {
    "name": "codex",
    "model": "gpt-5.4-mini",
    "reasoning_effort": "medium"
  },
  "files": [
    {
      "path": "aws-lc/generated-src/ios-arm/crypto/chacha/chacha-armv4.S",
      "hash": "blake3:fd0ee6d20fb0a8234e165c46363613963784162c3d7fae29e656e489674b7c94",
      "summary": "Reviewed the generated ARM/NEON ChaCha20-CTR assembly implementation in this file. It is limited to arithmetic, register shuffling, stack buffering, and tail-byte handling, and I found no concrete indicators of install hooks, subprocess execution, network/exfiltration, credential access, dynamic code loading, obfuscation, or persistence behavior.",
      "severity": "none",
      "confidence": "high"
    }
  ]
}