Review rev_650050c12bd0403b88066b8112457475

{
  "summary": "Reviewed this generated C header, which only declares namespace-mapped constant byte arrays for compression/decompression tables behind a normal include guard and `__ASSEMBLER__` gate. I found no concrete malicious or supply-chain indicators in the file: no install hooks, network/exfiltration, credential access, dynamic code loading, obfuscation, or persistence behavior.\nReviewed `aws-lc/crypto/fipsmodule/modes/ofb.c`, which implements AES OFB-mode block encryption by XORing input with the evolving IV and advancing the block cipher state. I found no concrete indicators of supply-chain compromise or hidden malicious behavior in this file: no install hooks, no network or exfiltration logic, no credential access, no dynamic code loading, no obfuscation, and no persistence mechanisms.\nReviewed `aws-lc/crypto/ube/fork_ube_detect.h`, which is a small C header that only declares fork-generation detection and two test-only helper functions for cache invalidation after `fork()`. I checked for install-time execution, credential or environment harvesting, network/exfiltration, dynamic code loading, obfuscation, persistence, and other hidden payload indicators, and found none in this target file.\nReviewed `aws-lc/include/openssl/lhash.h`, which is a small OpenSSL-compatibility header defining `LHASH` macros and one exported callback helper. I found no concrete indicators of malicious or supply-chain behavior in this file: no install hooks, network or exfiltration code, credential access, dynamic code loading, obfuscation, or persistence logic.\nReviewed the target assembly file `word_bytereverse.S`, which is a small x86-64 routine that byte-swaps a 64-bit input with `bswapq` and includes ABI/CFI boilerplate. I found no concrete indicators of install-time execution, network/exfiltration, credential access, dynamic code loading, obfuscation, or persistence behavior in this file.",
  "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/crypto/fipsmodule/ml_kem/mlkem/native/x86_64/src/compress_consts.h",
      "hash": "blake3:06ad52ad67a02c9bec69763cc3f580c63867ea54750af79ce70cc32afb9d73c4",
      "summary": "Reviewed this generated C header, which only declares namespace-mapped constant byte arrays for compression/decompression tables behind a normal include guard and `__ASSEMBLER__` gate. I found no concrete malicious or supply-chain indicators in the file: no install hooks, network/exfiltration, credential access, dynamic code loading, obfuscation, or persistence behavior.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/crypto/fipsmodule/modes/ofb.c",
      "hash": "blake3:0e4b446a54a1942e0d7415d9834cb9f9152f7bb5dc5dc974ae080219e5cf06a2",
      "summary": "Reviewed `aws-lc/crypto/fipsmodule/modes/ofb.c`, which implements AES OFB-mode block encryption by XORing input with the evolving IV and advancing the block cipher state. I found no concrete indicators of supply-chain compromise or hidden malicious behavior in this file: no install hooks, no network or exfiltration logic, no credential access, no dynamic code loading, no obfuscation, and no persistence mechanisms.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/crypto/ube/fork_ube_detect.h",
      "hash": "blake3:9432371260c3df4025411464c2a49ff305db9411ff84120b099c9874665e2b68",
      "summary": "Reviewed `aws-lc/crypto/ube/fork_ube_detect.h`, which is a small C header that only declares fork-generation detection and two test-only helper functions for cache invalidation after `fork()`. I checked for install-time execution, credential or environment harvesting, network/exfiltration, dynamic code loading, obfuscation, persistence, and other hidden payload indicators, and found none in this target file.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/include/openssl/lhash.h",
      "hash": "blake3:0706eaeb0b31844b956135e9540e059ae5f0b62a617f8f9eb193cfcc1a8ed7d4",
      "summary": "Reviewed `aws-lc/include/openssl/lhash.h`, which is a small OpenSSL-compatibility header defining `LHASH` macros and one exported callback helper. I found no concrete indicators of malicious or supply-chain behavior in this file: no install hooks, network or exfiltration code, credential access, dynamic code loading, obfuscation, or persistence logic.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/third_party/s2n-bignum/s2n-bignum-imported/x86_att/generic/word_bytereverse.S",
      "hash": "blake3:80d5b0d50b78f8d0f4662030b2d0e4fab355bbb7e52fe48119b889d458fb5c02",
      "summary": "Reviewed the target assembly file `word_bytereverse.S`, which is a small x86-64 routine that byte-swaps a 64-bit input with `bswapq` and includes ABI/CFI boilerplate. I found no concrete indicators of install-time execution, network/exfiltration, credential access, dynamic code loading, obfuscation, or persistence behavior in this file.",
      "severity": "none",
      "confidence": "high"
    }
  ]
}