Multiple identity support #33
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… to selected identity.
…ity change ccid command.
…20 bytes rather than 1920.
- Multiple storage locations for keys, DOs, cert-DOs - Limit cert-DO size for identity 2 to 1k - Add functions to read and set current identity - Add command 0x85 INS_SET_IDENTITY - Set first byte of card serial number to identity number - Single storage location for firmware update key - Reboot device on identity change
szszszsz
approved these changes
May 19, 2020
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Will be merged and signed manually. |
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This PR implements multiple identity support for the NK Start. Identities are changed with ccid command 0x85 (or tool/set_identity.py). The card serial number is different for each identity, each identity has its own keys, data objects, and cert-DOs. All identities are identical in functionality, with the exception of identity 2, where the cert-DO is limited in size to 1 page (1kb) rather than 2kb like in identities 0 and 1. Factory reset currently resets the current identity only. The firmware update key is global to all identities. Changing identity resets the device and causes a USB re-enumeration.