Review rev_abdf066e88054332885e3d447b9b9b50

{
  "summary": "Reviewed `aws-lc/crypto/asn1/a_utctm.c`, which contains straightforward ASN.1 UTCTime parsing, validation, formatting, and comparison helpers built on OpenSSL/AWS-LC time utilities. I checked for install-time hooks, network or exfiltration behavior, credential access, dynamic code loading, obfuscation, and persistence/tampering, and found no concrete malicious or supply-chain indicators in this file.\nReviewed `aws-lc/crypto/ocsp/ocsp_extension.c`, which implements OCSP extension helpers and nonce creation/comparison logic using OpenSSL/AWS-LC primitives. I found no concrete malicious or supply-chain indicators: there are no install hooks, network or exfiltration paths, credential access, dynamic code loading, obfuscation, or persistence behavior in this file.\nReviewed `aws-lc/crypto/x509/x509_ext.c`, which is a thin set of X.509/CRL/revoked-extension accessor and mutator wrappers around existing library helpers. I found no concrete malicious or supply-chain indicators in this file: no install hooks, network or exfiltration logic, credential or secret access, dynamic code loading, obfuscation, or persistence/tampering behavior.\nReviewed `aws-lc/ssl/test/test_state.cc`, which is a C++ test helper for serializing and deserializing TLS test state, session data, and a synthetic clock for AWS-LC SSL tests. I found no concrete malicious or supply-chain indicators in the file: no install hooks, network or exfiltration behavior, credential access, dynamic code loading, obfuscation, or persistence/tampering logic.\nReviewed this ARM assembly routine, which implements a constant-time table row copy using NEON loads, masking, and stores. I checked for install-time hooks, network or exfiltration behavior, credential access, dynamic code loading, obfuscation, persistence, and other supply-chain indicators, and found no concrete malicious signals 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/asn1/a_utctm.c",
      "hash": "blake3:cb2d597af38bbea5d1e41efb35a298448ad3d3426184b7bd1f97a2278d21150d",
      "summary": "Reviewed `aws-lc/crypto/asn1/a_utctm.c`, which contains straightforward ASN.1 UTCTime parsing, validation, formatting, and comparison helpers built on OpenSSL/AWS-LC time utilities. I checked for install-time hooks, network or exfiltration behavior, credential access, dynamic code loading, obfuscation, and persistence/tampering, and found no concrete malicious or supply-chain indicators in this file.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/crypto/ocsp/ocsp_extension.c",
      "hash": "blake3:335fd4986a9a33091a49f3afdd1a8b3eaf06ea4eaa79c2faf6905d14ba079138",
      "summary": "Reviewed `aws-lc/crypto/ocsp/ocsp_extension.c`, which implements OCSP extension helpers and nonce creation/comparison logic using OpenSSL/AWS-LC primitives. I found no concrete malicious or supply-chain indicators: there are no install hooks, network or exfiltration paths, credential access, dynamic code loading, obfuscation, or persistence behavior in this file.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/crypto/x509/x509_ext.c",
      "hash": "blake3:658698a25af41940b6e3b740fbbb2ece2811c5bf5316bd5c0419b4ea9b8f7f3b",
      "summary": "Reviewed `aws-lc/crypto/x509/x509_ext.c`, which is a thin set of X.509/CRL/revoked-extension accessor and mutator wrappers around existing library helpers. I found no concrete malicious or supply-chain indicators in this file: no install hooks, network or exfiltration logic, credential or secret access, dynamic code loading, obfuscation, or persistence/tampering behavior.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/ssl/test/test_state.cc",
      "hash": "blake3:ceb9122308419c1555cb2c1e4fef9b8016496d6ec4f650eeb4c93117548d3ac9",
      "summary": "Reviewed `aws-lc/ssl/test/test_state.cc`, which is a C++ test helper for serializing and deserializing TLS test state, session data, and a synthetic clock for AWS-LC SSL tests. I found no concrete malicious or supply-chain indicators in the file: no install hooks, network or exfiltration behavior, credential access, dynamic code loading, obfuscation, or persistence/tampering logic.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/third_party/s2n-bignum/arm/generic/bignum_copy_row_from_table_32_neon.S",
      "hash": "blake3:622db961a3b2f00499565139a8b463fdac6cd93591b4dd93bb5c1f3b2e778c63",
      "summary": "Reviewed this ARM assembly routine, which implements a constant-time table row copy using NEON loads, masking, and stores. I checked for install-time hooks, network or exfiltration behavior, credential access, dynamic code loading, obfuscation, persistence, and other supply-chain indicators, and found no concrete malicious signals in this file.",
      "severity": "none",
      "confidence": "high"
    }
  ]
}