- Archive header definition (40 bytes) with complete field table
- File table entry definition (11 fields, variable-length per entry)
- AES-256-CBC + HMAC-SHA-256 encryption pipeline with encrypt-then-MAC
- PKCS7 padding formula with 8 worked examples
- Gzip compression details with per-file flag
- Obfuscation features: XOR header, encrypted TOC, decoy padding
- Decode order of operations (full step-by-step)
- Version compatibility rules
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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