Review rev_dcd67396d5274a638dee0f7b27b11937

{
  "summary": "Reviewed `aws-lc/crypto/evp_extra/p_ed25519_asn1.c`, which implements Ed25519/Ed25519ph ASN.1 encode/decode and raw key import/export helpers. I checked for install hooks, network or exfiltration behavior, credential access, dynamic code loading, obfuscation, persistence, and other supply-chain indicators; none were present in this file.\nReviewed `aws-lc/crypto/poly1305/poly1305.c`, which is a standard Poly1305 MAC implementation with NEON dispatch, block processing, and final tag computation. I found no concrete indicators of malicious or supply-chain behavior in this file: no install hooks, no network or exfiltration code, no credential/secret access, no dynamic code loading, no obfuscation/deobfuscation, and no persistence or environment tampering.\nReviewed the full Perl Perlasm generator in `aws-lc/crypto/fipsmodule/bn/asm/co-586.pl`, which emits x86 bignum multiplication and squaring routines to the requested output file. I found no concrete malicious or supply-chain indicators in this target file: no install hooks, network or exfiltration logic, credential or environment harvesting, dynamic code loading, obfuscation, or persistence behavior.\nReviewed `aws-lc/crypto/fipsmodule/modes/asm/ghash-armv4.pl`, a Perl perlasm generator that emits ARMv4/NEON GHASH assembly and optionally pipes that generated assembly through a local `arm-xlate.pl` helper. I found no concrete indicators of install hooks, network or exfiltration, credential access, remote or dynamic code loading beyond local code generation, obfuscation, persistence, or other supply-chain compromise behavior.",
  "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/evp_extra/p_ed25519_asn1.c",
      "hash": "blake3:fdbbc4de43116ae1fdc3b3af0107a63e0a9c685b79b8730bc1f465429b37201c",
      "summary": "Reviewed `aws-lc/crypto/evp_extra/p_ed25519_asn1.c`, which implements Ed25519/Ed25519ph ASN.1 encode/decode and raw key import/export helpers. I checked for install hooks, network or exfiltration behavior, credential access, dynamic code loading, obfuscation, persistence, and other supply-chain indicators; none were present in this file.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/crypto/poly1305/poly1305.c",
      "hash": "blake3:16d10b04846691a51dd0c882052a780ab914cb4a25aeaaf062e4d0d697a4ca0d",
      "summary": "Reviewed `aws-lc/crypto/poly1305/poly1305.c`, which is a standard Poly1305 MAC implementation with NEON dispatch, block processing, and final tag computation. I found no concrete indicators of malicious or supply-chain behavior in this file: no install hooks, no network or exfiltration code, no credential/secret access, no dynamic code loading, no obfuscation/deobfuscation, and no persistence or environment tampering.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/crypto/fipsmodule/bn/asm/co-586.pl",
      "hash": "blake3:9f691f4885b26052f2252daeae9cbefe6fb2582707f3515a79f2045a77e90fd5",
      "summary": "Reviewed the full Perl Perlasm generator in `aws-lc/crypto/fipsmodule/bn/asm/co-586.pl`, which emits x86 bignum multiplication and squaring routines to the requested output file. I found no concrete malicious or supply-chain indicators in this target file: no install hooks, network or exfiltration logic, credential or environment harvesting, dynamic code loading, obfuscation, or persistence behavior.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "aws-lc/crypto/fipsmodule/modes/asm/ghash-armv4.pl",
      "hash": "blake3:90856e827a3ec85c7309f63c92ae9cb6c37f3b1837cc7743d5737cd10bcdd971",
      "summary": "Reviewed `aws-lc/crypto/fipsmodule/modes/asm/ghash-armv4.pl`, a Perl perlasm generator that emits ARMv4/NEON GHASH assembly and optionally pipes that generated assembly through a local `arm-xlate.pl` helper. I found no concrete indicators of install hooks, network or exfiltration, credential access, remote or dynamic code loading beyond local code generation, obfuscation, persistence, or other supply-chain compromise behavior.",
      "severity": "none",
      "confidence": "high"
    }
  ]
}