Review rev_1b1c7e6f52a84b7fab8600b7ac49bd02

{
  "summary": "Reviewed `aws-lc/crypto/fipsmodule/ml_kem/ml_kem_ref/verify.c`, which contains a constant-time array equality check and a constant-time conditional copy helper. I found no concrete indicators of install hooks, network or exfiltration, credential access, dynamic code loading, obfuscation, persistence, or other supply-chain compromise behavior in this target file.\nReviewed `builder/printenv.bat`, a Visual Studio environment bootstrap script that locates `vcvarsall.bat`, calls it for a requested architecture, prints the resulting environment, and exits. I checked for install-time execution beyond the expected local toolchain call, network/exfiltration, credential or secret harvesting, dynamic code loading, obfuscation, and persistence/tampering behavior, and found no concrete malicious or supply-chain indicators in this file.\nReviewed `aws-lc/crypto/decrepit/evp/evp_test.cc`, which is a small GoogleTest file that iterates over registered ciphers and digests and checks lookup consistency via OpenSSL EVP APIs. I found no concrete malicious or supply-chain indicators in this file: no install hooks, network or exfiltration behavior, credential/secret access, dynamic code loading, obfuscation, or persistence logic.\nReviewed the Dilithium API header in `aws-lc/crypto/dilithium/sig_dilithium.h`; it only contains constants and function declarations for keypair, sign, and verify, with no install hooks, network/exfiltration paths, credential access, dynamic code loading, obfuscation, or persistence behavior present in the file.\nReviewed `aws-lc/crypto/kyber/pqcrystals_kyber_ref_common/verify.c`, which only implements constant-time byte-array comparison and conditional copy helpers. I checked for install hooks, network or exfiltration, credential access, dynamic code loading, obfuscation, and persistence behavior, and found no concrete malicious or supply-chain indicators 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/ml_kem_ref/verify.c",
      "hash": "blake3:5b7824d7e52e606c11094947ec6788359e5075077288b409d82ad9346c2414f5",
      "summary": "Reviewed `aws-lc/crypto/fipsmodule/ml_kem/ml_kem_ref/verify.c`, which contains a constant-time array equality check and a constant-time conditional copy helper. I found no concrete indicators of install hooks, network or exfiltration, credential access, dynamic code loading, obfuscation, persistence, or other supply-chain compromise behavior in this target file.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "builder/printenv.bat",
      "hash": "blake3:aed1bb66ab8df344efb080fd3d067b9743d6b90e8e0bb20c6e444ed2c46df9f2",
      "summary": "Reviewed `builder/printenv.bat`, a Visual Studio environment bootstrap script that locates `vcvarsall.bat`, calls it for a requested architecture, prints the resulting environment, and exits. I checked for install-time execution beyond the expected local toolchain call, network/exfiltration, credential or secret harvesting, dynamic code loading, obfuscation, and persistence/tampering behavior, and found no concrete malicious or supply-chain indicators in this file.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/crypto/decrepit/evp/evp_test.cc",
      "hash": "blake3:fe855dab79e2344823fa1cfa3d3051e2bbdbc689a428a2f052863b961af25c1d",
      "summary": "Reviewed `aws-lc/crypto/decrepit/evp/evp_test.cc`, which is a small GoogleTest file that iterates over registered ciphers and digests and checks lookup consistency via OpenSSL EVP APIs. I found no concrete malicious or supply-chain indicators in this file: no install hooks, network or exfiltration behavior, credential/secret access, dynamic code loading, obfuscation, or persistence logic.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/crypto/dilithium/sig_dilithium.h",
      "hash": "blake3:d81f8ea3ca2ffe0fbe8f56f85c152bd2b36bfc8e4097cea9b5056258e259e8e4",
      "summary": "Reviewed the Dilithium API header in `aws-lc/crypto/dilithium/sig_dilithium.h`; it only contains constants and function declarations for keypair, sign, and verify, with no install hooks, network/exfiltration paths, credential access, dynamic code loading, obfuscation, or persistence behavior present in the file.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/crypto/kyber/pqcrystals_kyber_ref_common/verify.c",
      "hash": "blake3:f08ad2783c828190559fc4773d07bcdc13ba70dd27c00fb242d1cb252ac08ac5",
      "summary": "Reviewed `aws-lc/crypto/kyber/pqcrystals_kyber_ref_common/verify.c`, which only implements constant-time byte-array comparison and conditional copy helpers. I checked for install hooks, network or exfiltration, credential access, dynamic code loading, obfuscation, and persistence behavior, and found no concrete malicious or supply-chain indicators in this file.",
      "severity": "none",
      "confidence": "high"
    }
  ]
}