Review rev_38279e0e5b2f449fb0689d217f150292

{
  "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/s2n-bignum-imported/x86_att/curve25519/edwards25519_epadd.S",
      "hash": "blake3:a7106309c214dac5833af205d3285d865513ef6d4cdaed2ccc49931ce5f83af9",
      "summary": "Reviewed the x86-64 assembly implementation of `edwards25519_epadd`, which performs constant-time field arithmetic for Edwards25519 point addition. I checked for install-time execution, network or exfiltration, credential access, dynamic code loading, obfuscation, persistence, and other supply-chain indicators, and found none in this file.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/third_party/s2n-bignum/s2n-bignum-imported/x86_att/curve25519/edwards25519_epadd_alt.S",
      "hash": "blake3:481fa0974a1c13dcc9d10267314fb347908be4edb3c37127fea4d89ec49aa7d1",
      "summary": "Reviewed a hand-written x86-64 assembly implementation of `edwards25519_epadd_alt` for extended-projective point addition on edwards25519, including its field-multiplication/addition macros, stack/register save-restore, and ABI shims. I found no concrete indicators of install-time execution, network or exfiltration behavior, credential or secret access, dynamic code loading, obfuscation, or persistence in this file.",
      "severity": "none",
      "confidence": "high"
    }
  ]
}