Review rev_6939f50aae474e2ca55d2bfccd30e279

{
  "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/fipsmodule/ecdsa/ecdsa_test.cc",
      "hash": "blake3:5b53019e60a91ea811988989fb6009143b6dab33a28c90a1963d381d0d2f813e",
      "summary": "Reviewed the ECDSA test suite in aws-lc/crypto/fipsmodule/ecdsa/ecdsa_test.cc, including signature generation/verification, tamper tests, curve construction, and file-backed test vectors. I found no concrete indicators of install hooks, network or exfiltration behavior, credential access, dynamic code loading, obfuscation, persistence, or other supply-chain compromise in this file.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/crypto/fipsmodule/ecdsa/internal.h",
      "hash": "blake3:761416d6f0062fd3042fb5bb717e79c9421cb1ce4ebdb941c42f3ad83218f630",
      "summary": "Reviewed this header’s internal ECDSA helper declarations for malicious or supply-chain behavior. It only exposes four function prototypes used by FIPS known-answer/self-test signing and verification, and I found no install hooks, network or exfiltration paths, credential access, dynamic code loading, obfuscation, or persistence logic in the file.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/crypto/fipsmodule/ecdsa/make_ecdsa_secp256k1_tests.go",
      "hash": "blake3:7fb8d72fe30f6b23fc1967ad33214f00a76844e49557899dca5fef778dfc3d79",
      "summary": "Reviewed `aws-lc/crypto/fipsmodule/ecdsa/make_ecdsa_secp256k1_tests.go`, a standalone Go generator that emits deterministic secp256k1 ECDSA sign/verify test vectors using in-memory randomness and standard hash functions. I found no concrete indicators of install hooks, network or exfiltration behavior, secret access, dynamic code loading, obfuscation, or persistence in this file.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/crypto/fipsmodule/evp/digestsign.c",
      "hash": "blake3:fd550a7b9dd4f0ca72d78a318b95413c2ce2ff8f3a43d20507a4ddb8060cacf5",
      "summary": "Reviewed `aws-lc/crypto/fipsmodule/evp/digestsign.c`, which implements EVP digest sign/verify initialization and finalization paths for prehash and message-based signatures, including HMAC and FIPS service-indicator handling. I found no concrete malicious or supply-chain indicators in this file: there are no install hooks, network or exfiltration logic, credential access, dynamic code loading, obfuscation, or persistence behavior.",
      "severity": "none",
      "confidence": "high"
    }
  ]
}