Review rev_9a4fc005bf084d02bde87ca069a0049f

{
  "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/crypto/decrepit/blowfish/blowfish.c",
      "hash": "blake3:69c6b4a2204a8c414315198138e28bb7201943ae232056a953a1071e0aa644d6",
      "summary": "Reviewed the Blowfish cipher implementation in `aws-lc/crypto/decrepit/blowfish/blowfish.c`, including key setup, ECB/CBC/CFB encrypt/decrypt paths, and the static S-box/P-box initialization. I found no concrete malicious or supply-chain indicators in this file: no install-time hooks, network or exfiltration behavior, secret harvesting, dynamic code loading, obfuscation/decoding pipelines, or persistence/tampering logic.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/crypto/decrepit/blowfish/blowfish_test.cc",
      "hash": "blake3:4bddb0b59c8d745230dce94c960b534c9b18a1b208c06dab046b53c4542a2747",
      "summary": "Reviewed `aws-lc/crypto/decrepit/blowfish/blowfish_test.cc`, which is a deterministic Blowfish cipher test suite that exercises ECB, CBC, and CFB encryption/decryption against fixed vectors. I found no concrete indicators of install-time execution, network/exfiltration, credential access, dynamic code loading, obfuscation, or persistence behavior in the target file.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/crypto/decrepit/cast/cast.c",
      "hash": "blake3:aa5b6fa2d82cae040205b1efb3df76e14e525c07f50c56098d8f31851db30ed7",
      "summary": "Reviewed `aws-lc/crypto/decrepit/cast/cast.c`, which implements CAST-5 block cipher ECB/CBC encryption, decryption, and key schedule logic. I checked for install-time execution, network/exfiltration, credential access, dynamic code loading, obfuscation, persistence, and other hidden payload behavior, and found no concrete malicious or supply-chain indicators in this file.",
      "severity": "none",
      "confidence": "high"
    }
  ]
}