Review rev_07ed703a9dcd44bb90378d3619a8e7d6

{
  "summary": "Reviewed the ARM assembly implementation of `bignum_montsqr_p256`, which is a straight-line Montgomery square routine for P-256 field arithmetic. I checked for install-time hooks, hidden subprocesses, network or credential access, dynamic code loading, obfuscation, and persistence behavior, and found no concrete malicious or supply-chain indicators in this target file.\nReviewed the generated x86 GHASH/CLMUL assembly in aws-lc/generated-src/linux-x86/crypto/fipsmodule/ghash-x86.S. It contains only cryptographic data-path code and a static lookup/table section; I found no concrete malicious or supply-chain indicators such as install hooks, network/exfiltration, credential access, dynamic code loading, obfuscation, persistence, or hidden subprocess execution.\nReviewed the generated NASM assembly in `aws-lc/generated-src/win-x86/crypto/fipsmodule/ghash-x86.asm`, which implements GHASH/GCM CLMUL routines and a small constant table. I checked for install hooks, network/exfiltration, credential access, dynamic code loading, obfuscation, persistence, and hidden subprocess execution, and found no concrete malicious or supply-chain indicators.",
  "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/third_party/s2n-bignum/s2n-bignum-imported/arm/p256/bignum_montsqr_p256.S",
      "hash": "blake3:315e12a3fc600ee409b6c1e8f9082fa365ced2cb9bb4aed01819300a9bb021f5",
      "summary": "Reviewed the ARM assembly implementation of `bignum_montsqr_p256`, which is a straight-line Montgomery square routine for P-256 field arithmetic. I checked for install-time hooks, hidden subprocesses, network or credential access, dynamic code loading, obfuscation, and persistence behavior, and found no concrete malicious or supply-chain indicators in this target file.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/generated-src/linux-x86/crypto/fipsmodule/ghash-x86.S",
      "hash": "blake3:50aed95659b7a7b1e4eb83b956d64304273869e1b7984ba5761e9f4e2b30df22",
      "summary": "Reviewed the generated x86 GHASH/CLMUL assembly in aws-lc/generated-src/linux-x86/crypto/fipsmodule/ghash-x86.S. It contains only cryptographic data-path code and a static lookup/table section; I found no concrete malicious or supply-chain indicators such as install hooks, network/exfiltration, credential access, dynamic code loading, obfuscation, persistence, or hidden subprocess execution.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/generated-src/win-x86/crypto/fipsmodule/ghash-x86.asm",
      "hash": "blake3:4c37ee0338d90bcab09816a3c38a8d8db9d740d5ed8f99423a8d3508c2f94ff5",
      "summary": "Reviewed the generated NASM assembly in `aws-lc/generated-src/win-x86/crypto/fipsmodule/ghash-x86.asm`, which implements GHASH/GCM CLMUL routines and a small constant table. I checked for install hooks, network/exfiltration, credential access, dynamic code loading, obfuscation, persistence, and hidden subprocess execution, and found no concrete malicious or supply-chain indicators.",
      "severity": "none",
      "confidence": "high"
    }
  ]
}