Review rev_ee92c54175a6453592c48b50d3c038ba

{
  "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/include/s2n-bignum_aws-lc.h",
      "hash": "blake3:0b2d5191afd455a7ec5616214164f219689b05003ebc1c10fd8d17af2d360836",
      "summary": "Reviewed this C header of s2n-bignum/AWS-LC prototypes and runtime selector helpers for x86_64 and aarch64 implementations. It contains only function declarations and CPU-feature-based dispatch; I found no concrete indicators of install-time execution, network/exfiltration, credential access, dynamic code loading, obfuscation, or persistence.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/third_party/s2n-bignum/x86_att/curve25519/bignum_madd_n25519.S",
      "hash": "blake3:2bcc8bc20e9cc92d7d517ba2c3ddde15dc22f1bac563e727274582dc810c9869",
      "summary": "Reviewed this x86-64 assembly implementation of `bignum_madd_n25519`, which performs a fixed modular multiply-add and register save/restore for System V and Windows ABIs. I checked for install-time hooks, subprocess or network activity, credential access, dynamic code loading, obfuscation, persistence, and other hidden payload behavior, and found no concrete malicious or supply-chain indicators.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/third_party/s2n-bignum/x86_att/curve25519/bignum_madd_n25519_alt.S",
      "hash": "blake3:57700ce06fe736bdc93fcb6d5088c7746750fe0787ab321c717396b9d5172223",
      "summary": "Reviewed the x86-64 assembly implementation of `bignum_madd_n25519_alt`, which performs modular multiply-add and reduction for curve25519/edwards25519 using register arithmetic and ABI shims. I checked for install hooks, subprocesses, network/exfiltration, credential access, dynamic code loading, obfuscation, persistence, and other supply-chain indicators, and found none.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/third_party/s2n-bignum/x86_att/curve25519/bignum_mod_n25519.S",
      "hash": "blake3:b4da9903c2a18de00373dd77853a98a479718e10945adad4bbb672de5599bc55",
      "summary": "This file is a hand-written x86-64 assembly implementation of `bignum_mod_n25519`, reducing a multi-limb integer modulo the Curve25519 basepoint order. I reviewed it for install-time execution, network or exfiltration behavior, credential access, dynamic code loading, obfuscation, persistence, and other supply-chain indicators, and found none.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/third_party/s2n-bignum/x86_att/curve25519/bignum_neg_p25519.S",
      "hash": "blake3:06a626feb57a3c6284eecd476a7fccbb931bd836e6c2a334c65ef3996a08e549",
      "summary": "Hand-written x86-64 assembly that implements `bignum_neg_p25519`, a small Curve25519 modular negation routine with ABI shims and a GNU stack note. I reviewed it for install-time hooks, network/exfiltration, credential access, dynamic code loading, obfuscation, and persistence, and found no concrete supply-chain or malicious indicators in this file.",
      "severity": "none",
      "confidence": "high"
    }
  ]
}