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: Passive (powered wirelessly by the console's NFC reader).
Every official Amiibo figure, card, or accessory contains an NXP Semiconductors NTAG215 NFC chip. This chip is the foundation upon which Nintendo built its security layer. Understanding the chip’s capabilities and limitations is essential to understanding the Amiibo encryption system.
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Under the United States Digital Millennium Copyright Act (DMCA), it is illegal to circumvent technological protection measures that control access to copyrighted works. Bypassing encryption or other digital rights management technologies can be considered a violation. Courts have upheld the enforcement of the DMCA in similar situations involving software designed to circumvent encryption.
Nintendo utilizes a symmetric-key algorithm to lock the data on the NTAG215 chip. Because the data on the chip is linked to its unique 7-byte UID, you cannot simply copy the raw data from one Amiibo onto a blank tag. If the UID changes, the cryptographic signature becomes invalid, and the console will reject the tag as corrupted or counterfeit. : Passive (powered wirelessly by the console's NFC reader)
These are the secret pieces of data (the Amiibo encryption keys) owned by Nintendo. They act as the password required to lock and unlock the data.
Handles the unique serialization and console-written data, such as saved game progress or leveled-up Super Smash Bros. fighters. The plan involves several rounds of searches
An Amiibo does not use the exact same key across every single figurine. If it did, a hacker could simply copy the data from one chip to another.
An NTAG215 chip has a total storage capacity of , organized into 135 pages of 4 bytes each. Within this tiny memory pool, the chip stores:
