. These keys allowed users to decrypt and download game content directly from Nintendo's Content Delivery Network (CDN). Overview of encTitleKeys.bin
With the , the conversation around enctitlekeys.bin has shifted. New titles are no longer released. The "top" version of any key database is now effectively final—frozen in time. enctitlekeysbin 3ds top
[Header: 4 bytes] - Magic number (often 'CTK' or similar) [Version: 2 bytes] - Format version [Entry count: 4 bytes] - Number of title keys stored [Entries...] - Title ID (8 bytes) - Encrypted Key (16 bytes) - Flags (2 bytes) - eShop, cartridge, system, etc. - Padding (variable) enctitlekeysbin 3ds top
For "3DS Top" (referring to the top screen or display technology): enctitlekeysbin 3ds top