Review rev_d33c2b7278314d7abd987e53b9a62ab3

{
  "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/third_party/s2n-bignum/arm/curve25519/edwards25519_decode_alt.S",
      "hash": "blake3:057e9be54c61c23a1698be555b5f35a19b7610003f0b14b51495394275acf6f1",
      "summary": "Reviewed `aws-lc/third_party/s2n-bignum/arm/curve25519/edwards25519_decode_alt.S`, an ARM64 assembly implementation of Edwards25519 point decompression and field arithmetic. I checked for install hooks, network or 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/third_party/s2n-bignum/arm/curve25519/edwards25519_encode.S",
      "hash": "blake3:b6653596ab00af232dc514844211ba452c844aacb60ef1461bfd8b3dca2f33e9",
      "summary": "Reviewed the ARM assembly encoder in `aws-lc/third_party/s2n-bignum/arm/curve25519/edwards25519_encode.S`. It is a straight-line routine that loads curve point coordinates, packs the compressed edwards25519 encoding, and writes 32 output bytes; I found no install hooks, network/exfiltration, credential access, dynamic code loading, obfuscation, or persistence behavior.",
      "severity": "none",
      "confidence": "high"
    }
  ]
}