Review rev_70e0c3ea7b524f8aab8a676183affeb6

{
  "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/generated-src/ios-aarch64/crypto/fipsmodule/bn-armv8.S",
      "hash": "blake3:d077f68614884b7506eb5b7339b0958c4229bb0ca2f39ee869202f6e404514ec",
      "summary": "Reviewed this generated AArch64 assembly file, which implements `_bn_add_words` and `_bn_sub_words` for Apple arm64 builds. I checked for install hooks, network/exfiltration, credential access, dynamic code loading, obfuscation, and persistence, and found no concrete malicious or supply-chain indicators in the file.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/generated-src/ios-aarch64/crypto/fipsmodule/ghash-neon-armv8.S",
      "hash": "blake3:55a961b684665813905a0f688e3995b956f0fc914503daa09ccb2cd33cdcc994",
      "summary": "Reviewed the generated AArch64 Apple assembly for GHASH (`_gcm_init_neon`, `_gcm_gmult_neon`, `_gcm_ghash_neon`) and found it to be a straight cryptographic implementation with constant-table setup and data processing only. I did not find any install hooks, network or exfiltration logic, credential access, dynamic code loading, obfuscation, persistence, or other supply-chain indicators in this file.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/generated-src/ios-aarch64/crypto/fipsmodule/ghashv8-armx.S",
      "hash": "blake3:0a3f816dade3d258ec53e933ebf2e48f1d31e31805d4d6f256de3af84dbbac34",
      "summary": "Reviewed the generated AArch64 assembly in `aws-lc/generated-src/ios-aarch64/crypto/fipsmodule/ghashv8-armx.S`, which implements GHASH/GCM helper routines (`_gcm_init_v8`, `_gcm_gmult_v8`, `_gcm_ghash_v8`) using local NEON arithmetic and memory accesses only. I checked for install hooks, subprocess execution, network or exfiltration behavior, credential/secret access, dynamic code loading, obfuscation, and persistence tampering, and found no concrete malicious or supply-chain indicators.",
      "severity": "none",
      "confidence": "high"
    }
  ]
}