Review rev_eb800c640f164638906cb9d7a4fae5c4

{
  "summary": "Reviewed a handwritten x86-64 assembly implementation of secp256k1 Jacobian point addition and its field-arithmetic/multiplexing macros. I checked this file for install hooks, network or exfiltration behavior, credential access, dynamic code loading, obfuscation/deobfuscation, and persistence tampering, and found no concrete malicious or supply-chain indicators.\nReviewed `aws-lc/crypto/base64/base64.c`, which implements constant-time Base64 encode/decode helpers for PEM and related APIs. I checked for install-time hooks, network/exfiltration, credential access, dynamic code loading, obfuscation, persistence, and other hidden execution behavior; none were present 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/third_party/s2n-bignum/s2n-bignum-imported/x86_att/secp256k1/secp256k1_jadd.S",
      "hash": "blake3:357133e94397c24cc08500e8457ea345b49cab3dfd8299ea71bcdf3350756229",
      "summary": "Reviewed a handwritten x86-64 assembly implementation of secp256k1 Jacobian point addition and its field-arithmetic/multiplexing macros. I checked this file for install hooks, network or exfiltration behavior, credential access, dynamic code loading, obfuscation/deobfuscation, and persistence tampering, and found no concrete malicious or supply-chain indicators.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/crypto/base64/base64.c",
      "hash": "blake3:a88ab2cff82d1361ed7e1f4d7a5355ff9dfc2c53bdb2e04676401cefc84f30b8",
      "summary": "Reviewed `aws-lc/crypto/base64/base64.c`, which implements constant-time Base64 encode/decode helpers for PEM and related APIs. I checked for install-time hooks, network/exfiltration, credential access, dynamic code loading, obfuscation, persistence, and other hidden execution behavior; none were present in this file.",
      "severity": "none",
      "confidence": "high"
    }
  ]
}