Review rev_751b8dbe2f584304b442047e2fccb0cb

{
  "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_pepadd.S",
      "hash": "blake3:9ca23cd34cf410df57c4c79f08c35c3a8ea8cd9a1d636f34cb3d6d34b7e6c566",
      "summary": "Reviewed this x86-64 assembly implementation of edwards25519 mixed point addition and its field-arithmetic macros. It stays entirely within local register/stack arithmetic for curve operations; I found no install hooks, network or exfiltration code, credential access, dynamic code loading, obfuscation, or persistence behavior in the target file.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/third_party/s2n-bignum/s2n-bignum-imported/x86_att/curve25519/edwards25519_pepadd_alt.S",
      "hash": "blake3:3df7bdc04466370657b185e6033d67d947960cb1aab95eb2257b6fe606e2a796",
      "summary": "Reviewed the x86-64 assembly implementation of `edwards25519_pepadd_alt`, which performs extended-projective mixed point addition and field arithmetic for Curve25519/Edwards25519. I found no concrete supply-chain or malicious indicators in this file: there are no install hooks, network or exfiltration paths, credential or secret access, dynamic code loading, obfuscation, persistence changes, or other hidden subprocess behavior.",
      "severity": "none",
      "confidence": "high"
    }
  ]
}